8006328: Improve robustness of sound classes

8009057: Improve MIDI event handling
Reviewed-by: amenkov, art, skoivu

src/share/classes/com/sun/media/sound/AbstractDataLine.java

 /*
- * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,15 +25,12 @@
 
 package com.sun.media.sound;
 
-import java.util.Vector;
-
 import javax.sound.sampled.AudioFormat;
 import javax.sound.sampled.AudioSystem;
 import javax.sound.sampled.Control;
 import javax.sound.sampled.DataLine;
 import javax.sound.sampled.LineEvent;
 import javax.sound.sampled.LineUnavailableException;
-import javax.sound.sampled.Mixer;
 
 
 /**
@@ -46,13 +43,13 @@ abstract class AbstractDataLine extends AbstractLine implements DataLine {
     // DEFAULTS
 
     // default format
-    protected /*final*/ AudioFormat defaultFormat;
+    private final AudioFormat defaultFormat;
 
     // default buffer size in bytes
-    protected /*final*/ int defaultBufferSize;
+    private final int defaultBufferSize;
 
     // the lock for synchronization
-    protected Object lock = new Object();
+    protected final Object lock = new Object();
 
     // STATE
 
@@ -103,7 +100,7 @@ abstract class AbstractDataLine extends AbstractLine implements DataLine {
 
     // DATA LINE METHODS
 
-    public void open(AudioFormat format, int bufferSize) throws LineUnavailableException {
+    public final void open(AudioFormat format, int bufferSize) throws LineUnavailableException {
         //$$fb 2001-10-09: Bug #4517739: avoiding deadlock by synchronizing to mixer !
         synchronized (mixer) {
             if (Printer.trace) Printer.trace("> AbstractDataLine.open(format, bufferSize) (class: "+getClass().getName());
@@ -152,7 +149,7 @@ abstract class AbstractDataLine extends AbstractLine implements DataLine {
     }
 
 
-    public void open(AudioFormat format) throws LineUnavailableException {
+    public final void open(AudioFormat format) throws LineUnavailableException {
         open(format, AudioSystem.NOT_SPECIFIED);
     }
 
@@ -181,7 +178,7 @@ abstract class AbstractDataLine extends AbstractLine implements DataLine {
     }
 
 
-    public void start() {
+    public final void start() {
         //$$fb 2001-10-09: Bug #4517739: avoiding deadlock by synchronizing to mixer !
         synchronized(mixer) {
             if (Printer.trace) Printer.trace("> "+getClass().getName()+".start() - AbstractDataLine");
@@ -205,7 +202,7 @@ abstract class AbstractDataLine extends AbstractLine implements DataLine {
     }
 
 
-    public void stop() {
+    public final void stop() {
 
         //$$fb 2001-10-09: Bug #4517739: avoiding deadlock by synchronizing to mixer !
         synchronized(mixer) {
@@ -249,16 +246,16 @@ abstract class AbstractDataLine extends AbstractLine implements DataLine {
     // in MixerSourceLine and MixerClip, and I want to touch as little
     // code as possible to change isStarted() back to isRunning().
 
-    public boolean isRunning() {
+    public final boolean isRunning() {
         return started;
     }
 
-    public boolean isActive() {
+    public final boolean isActive() {
         return active;
     }
 
 
-    public long getMicrosecondPosition() {
+    public final long getMicrosecondPosition() {
 
         long microseconds = getLongFramePosition();
         if (microseconds != AudioSystem.NOT_SPECIFIED) {
@@ -268,26 +265,26 @@ abstract class AbstractDataLine extends AbstractLine implements DataLine {
     }
 
 
-    public AudioFormat getFormat() {
+    public final AudioFormat getFormat() {
         return format;
     }
 
 
-    public int getBufferSize() {
+    public final int getBufferSize() {
         return bufferSize;
     }
 
     /**
      * This implementation does NOT change the buffer size
      */
-    public int setBufferSize(int newSize) {
+    public final int setBufferSize(int newSize) {
         return getBufferSize();
     }
 
     /**
      * This implementation returns AudioSystem.NOT_SPECIFIED.
      */
-    public float getLevel() {
+    public final float getLevel() {
         return (float)AudioSystem.NOT_SPECIFIED;
     }
 
@@ -304,7 +301,7 @@ abstract class AbstractDataLine extends AbstractLine implements DataLine {
     // it to isStartedRunning().  This is part of backing out the
     // change denied in RFE 4297981.
 
-    protected boolean isStartedRunning() {
+    final boolean isStartedRunning() {
         return running;
     }
 
@@ -312,7 +309,7 @@ abstract class AbstractDataLine extends AbstractLine implements DataLine {
      * This method sets the active state and generates
      * events if it changes.
      */
-    protected void setActive(boolean active) {
+    final void setActive(boolean active) {
 
         if (Printer.trace) Printer.trace("> AbstractDataLine: setActive(" + active + ")");
 
@@ -351,7 +348,7 @@ abstract class AbstractDataLine extends AbstractLine implements DataLine {
      * This method sets the started state and generates
      * events if it changes.
      */
-    protected void setStarted(boolean started) {
+    final void setStarted(boolean started) {
 
         if (Printer.trace) Printer.trace("> AbstractDataLine: setStarted(" + started + ")");
 
@@ -388,7 +385,7 @@ abstract class AbstractDataLine extends AbstractLine implements DataLine {
      * This method generates a STOP event and sets the started state to false.
      * It is here for historic reasons when an EOM event existed.
      */
-    protected void setEOM() {
+    final void setEOM() {
 
         if (Printer.trace) Printer.trace("> AbstractDataLine: setEOM()");
         //$$fb 2002-04-21: sometimes, 2 STOP events are generated.
@@ -408,7 +405,7 @@ abstract class AbstractDataLine extends AbstractLine implements DataLine {
      * line is open, this should return quietly because the values
      * requested will match the current ones.
      */
-    public void open() throws LineUnavailableException {
+    public final void open() throws LineUnavailableException {
 
         if (Printer.trace) Printer.trace("> "+getClass().getName()+".open() - AbstractDataLine");
 
@@ -422,7 +419,7 @@ abstract class AbstractDataLine extends AbstractLine implements DataLine {
      * This should also stop the line.  The closed line should not be running or active.
      * After we close the line, we reset the format and buffer size to the defaults.
      */
-    public void close() {
+    public final void close() {
         //$$fb 2001-10-09: Bug #4517739: avoiding deadlock by synchronizing to mixer !
         synchronized (mixer) {
             if (Printer.trace) Printer.trace("> "+getClass().getName()+".close() - in AbstractDataLine.");

src/share/classes/com/sun/media/sound/AbstractLine.java

 /*
- * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,11 +25,12 @@
 
 package com.sun.media.sound;
 
+import java.util.Map;
 import java.util.Vector;
+import java.util.WeakHashMap;
 
 import javax.sound.sampled.AudioSystem;
 import javax.sound.sampled.Control;
-import javax.sound.sampled.Mixer;
 import javax.sound.sampled.Line;
 import javax.sound.sampled.LineEvent;
 import javax.sound.sampled.LineListener;
@@ -43,28 +44,17 @@ import javax.sound.sampled.LineUnavailableException;
  */
 abstract class AbstractLine implements Line {
 
-    protected Line.Info info;
+    protected final Line.Info info;
     protected Control[] controls;
-    protected AbstractMixer mixer;
+    AbstractMixer mixer;
     private boolean open     = false;
-    private Vector listeners = new Vector();
+    private final Vector listeners = new Vector();
 
     /**
-     * Global event thread
+     * Contains event dispatcher per thread group.
      */
-    private static final EventDispatcher eventDispatcher;
-
-    static {
-        // create and start the global event thread
-
-        // $$kk: 12.21.98:
-        // 1) probably don't want a single global event queue
-        // 2) need a way to stop this thread when the engine is done
-
-        eventDispatcher = new EventDispatcher();
-        eventDispatcher.start();
-    }
-
+    private static final Map<ThreadGroup, EventDispatcher> dispatchers =
+            new WeakHashMap<>();
 
     /**
      * Constructs a new AbstractLine.
@@ -85,18 +75,17 @@ abstract class AbstractLine implements Line {
 
     // LINE METHODS
 
-    public Line.Info getLineInfo() {
+    public final Line.Info getLineInfo() {
         return info;
     }
 
 
-    public boolean isOpen() {
+    public final boolean isOpen() {
         return open;
     }
 
 
-    public void addLineListener(LineListener listener) {
-
+    public final void addLineListener(LineListener listener) {
         synchronized(listeners) {
             if ( ! (listeners.contains(listener)) ) {
                 listeners.addElement(listener);
@@ -109,7 +98,7 @@ abstract class AbstractLine implements Line {
      * Removes an audio listener.
      * @param listener listener to remove
      */
-    public void removeLineListener(LineListener listener) {
+    public final void removeLineListener(LineListener listener) {
         listeners.removeElement(listener);
     }
 
@@ -120,8 +109,7 @@ abstract class AbstractLine implements Line {
      * array of length 0.
      * @return control set
      */
-    public Control[] getControls() {
-
+    public final Control[] getControls() {
         Control[] returnedArray = new Control[controls.length];
 
         for (int i = 0; i < controls.length; i++) {
@@ -132,8 +120,7 @@ abstract class AbstractLine implements Line {
     }
 
 
-    public boolean isControlSupported(Control.Type controlType) {
-
+    public final boolean isControlSupported(Control.Type controlType) {
         // protect against a NullPointerException
         if (controlType == null) {
             return false;
@@ -149,8 +136,7 @@ abstract class AbstractLine implements Line {
     }
 
 
-    public Control getControl(Control.Type controlType) {
-
+    public final Control getControl(Control.Type controlType) {
         // protect against a NullPointerException
         if (controlType != null) {
 
@@ -172,7 +158,7 @@ abstract class AbstractLine implements Line {
      * This method sets the open state and generates
      * events if it changes.
      */
-    protected void setOpen(boolean open) {
+    final void setOpen(boolean open) {
 
         if (Printer.trace) Printer.trace("> "+getClass().getName()+" (AbstractLine): setOpen(" + open + ")  this.open: " + this.open);
 
@@ -200,8 +186,8 @@ abstract class AbstractLine implements Line {
     /**
      * Send line events.
      */
-    protected void sendEvents(LineEvent event) {
-        eventDispatcher.sendAudioEvents(event, listeners);
+    final void sendEvents(LineEvent event) {
+        getEventDispatcher().sendAudioEvents(event, listeners);
     }
 
 
@@ -227,12 +213,23 @@ abstract class AbstractLine implements Line {
     // $$kk: 06.03.99: returns the mixer used in construction.
     // this is a hold-over from when there was a public method like
     // this on line and should be fixed!!
-    protected AbstractMixer getMixer() {
+    final AbstractMixer getMixer() {
         return mixer;
     }
 
-    protected EventDispatcher getEventDispatcher() {
-        return eventDispatcher;
+    final EventDispatcher getEventDispatcher() {
+        // create and start the global event thread
+        //TODO  need a way to stop this thread when the engine is done
+        final ThreadGroup tg = Thread.currentThread().getThreadGroup();
+        synchronized (dispatchers) {
+            EventDispatcher eventDispatcher = dispatchers.get(tg);
+            if (eventDispatcher == null) {
+                eventDispatcher = new EventDispatcher();
+                dispatchers.put(tg, eventDispatcher);
+                eventDispatcher.start();
+            }
+            return eventDispatcher;
+        }
     }
 
     // ABSTRACT METHODS

src/share/classes/com/sun/media/sound/AbstractMidiDevice.java

 /*
- * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -60,12 +60,12 @@ abstract class AbstractMidiDevice implements MidiDevice, ReferenceCountingDevice
 
     // DEVICE ATTRIBUTES
 
-    private MidiDevice.Info info;
+    private final MidiDevice.Info info;
 
 
     // DEVICE STATE
 
-    protected /*private*/ boolean open          = false;
+    private boolean open          = false;
     private int openRefCount;
 
     /** List of Receivers and Transmitters that opened the device implicitely.
@@ -102,7 +102,7 @@ abstract class AbstractMidiDevice implements MidiDevice, ReferenceCountingDevice
 
     // MIDI DEVICE METHODS
 
-    public MidiDevice.Info getDeviceInfo() {
+    public final MidiDevice.Info getDeviceInfo() {
         return info;
     }
 
@@ -111,7 +111,7 @@ abstract class AbstractMidiDevice implements MidiDevice, ReferenceCountingDevice
      * opened the the device implicitly from closing it. The only way to close the device after
      * this call is a call to close().
      */
-    public void open() throws MidiUnavailableException {
+    public final void open() throws MidiUnavailableException {
         if (Printer.trace) Printer.trace("> AbstractMidiDevice: open()");
         synchronized(this) {
             openRefCount = -1;
@@ -159,7 +159,7 @@ abstract class AbstractMidiDevice implements MidiDevice, ReferenceCountingDevice
     }
 
 
-    public void close() {
+    public final void close() {
         if (Printer.trace) Printer.trace("> AbstractMidiDevice: close()");
         synchronized (this) {
             doClose();
@@ -181,7 +181,7 @@ abstract class AbstractMidiDevice implements MidiDevice, ReferenceCountingDevice
      * @param object The object that might have been opening the device implicitely (for now,
      * this may be a Transmitter or receiver).
      */
-    public void closeInternal(Object object) {
+    public final void closeInternal(Object object) {
         if (Printer.trace) Printer.trace("> AbstractMidiDevice: closeInternal()");
         synchronized(this) {
             if (getOpenKeepingObjects().remove(object)) {
@@ -197,7 +197,7 @@ abstract class AbstractMidiDevice implements MidiDevice, ReferenceCountingDevice
     }
 
 
-    public void doClose() {
+    public final void doClose() {
         if (Printer.trace) Printer.trace("> AbstractMidiDevice: doClose()");
         synchronized(this) {
             if (isOpen()) {
@@ -209,7 +209,7 @@ abstract class AbstractMidiDevice implements MidiDevice, ReferenceCountingDevice
     }
 
 
-    public boolean isOpen() {
+    public final boolean isOpen() {
         return open;
     }
 
@@ -329,7 +329,7 @@ abstract class AbstractMidiDevice implements MidiDevice, ReferenceCountingDevice
 
     // HELPER METHODS
 
-    long getId() {
+    final long getId() {
         return id;
     }
 
@@ -339,7 +339,8 @@ abstract class AbstractMidiDevice implements MidiDevice, ReferenceCountingDevice
     /** Retrieve a Receiver and open the device implicitly.
         This method is called by MidiSystem.getReceiver().
      */
-    public Receiver getReceiverReferenceCounting() throws MidiUnavailableException {
+    public final Receiver getReceiverReferenceCounting()
+            throws MidiUnavailableException {
         /* Keep this order of commands! If getReceiver() throws an exception,
            openInternal() should not be called!
         */
@@ -355,7 +356,8 @@ abstract class AbstractMidiDevice implements MidiDevice, ReferenceCountingDevice
     /** Retrieve a Transmitter and open the device implicitly.
         This method is called by MidiSystem.getTransmitter().
      */
-    public Transmitter getTransmitterReferenceCounting() throws MidiUnavailableException {
+    public final Transmitter getTransmitterReferenceCounting()
+            throws MidiUnavailableException {
         /* Keep this order of commands! If getTransmitter() throws an exception,
            openInternal() should not be called!
         */
@@ -422,7 +424,7 @@ abstract class AbstractMidiDevice implements MidiDevice, ReferenceCountingDevice
 
     /** Return the internal list of Transmitters, possibly creating it first.
      */
-    protected TransmitterList getTransmitterList() {
+    final TransmitterList getTransmitterList() {
         synchronized (traRecLock) {
             if (transmitterList == null) {
                 transmitterList = new TransmitterList();
@@ -462,7 +464,7 @@ abstract class AbstractMidiDevice implements MidiDevice, ReferenceCountingDevice
     /**
      * close this device if discarded by the garbage collector
      */
-    protected void finalize() {
+    protected final void finalize() {
         close();
     }
 
@@ -534,7 +536,7 @@ abstract class AbstractMidiDevice implements MidiDevice, ReferenceCountingDevice
      * Also, it has some optimizations regarding sending to the Receivers,
      * for known Receivers, and managing itself in the TransmitterList.
      */
-    protected class BasicTransmitter implements MidiDeviceTransmitter {
+    class BasicTransmitter implements MidiDeviceTransmitter {
 
         private Receiver receiver = null;
         TransmitterList tlist = null;
@@ -546,7 +548,7 @@ abstract class AbstractMidiDevice implements MidiDevice, ReferenceCountingDevice
             this.tlist = tlist;
         }
 
-        public void setReceiver(Receiver receiver) {
+        public final void setReceiver(Receiver receiver) {
             if (tlist != null && this.receiver != receiver) {
                 if (Printer.debug) Printer.debug("Transmitter "+toString()+": set receiver "+receiver);
                 tlist.receiverChanged(this, this.receiver, receiver);
@@ -554,7 +556,7 @@ abstract class AbstractMidiDevice implements MidiDevice, ReferenceCountingDevice
             }
         }
 
-        public Receiver getReceiver() {
+        public final Receiver getReceiver() {
             return receiver;
         }
 
@@ -564,7 +566,7 @@ abstract class AbstractMidiDevice implements MidiDevice, ReferenceCountingDevice
          * Therefore, subclasses that override this method must call
          * 'super.close()'.
          */
-        public void close() {
+        public final void close() {
             AbstractMidiDevice.this.closeInternal(this);
             if (tlist != null) {
                 tlist.receiverChanged(this, this.receiver, null);
@@ -573,7 +575,7 @@ abstract class AbstractMidiDevice implements MidiDevice, ReferenceCountingDevice
             }
         }
 
-        public MidiDevice getMidiDevice() {
+        public final MidiDevice getMidiDevice() {
             return AbstractMidiDevice.this;
         }
 
@@ -583,9 +585,9 @@ abstract class AbstractMidiDevice implements MidiDevice, ReferenceCountingDevice
     /**
      * a class to manage a list of transmitters
      */
-    class TransmitterList {
+    final class TransmitterList {
 
-        private ArrayList<Transmitter> transmitters = new ArrayList<Transmitter>();
+        private final ArrayList<Transmitter> transmitters = new ArrayList<Transmitter>();
         private MidiOutDevice.MidiOutReceiver midiOutReceiver;
 
         // how many transmitters must be present for optimized

src/share/classes/com/sun/media/sound/AbstractMidiDeviceProvider.java

 /*
- * Copyright (c) 2002, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -36,7 +36,7 @@ import javax.sound.midi.spi.MidiDeviceProvider;
  */
 public abstract class AbstractMidiDeviceProvider extends MidiDeviceProvider {
 
-    private static boolean enabled;
+    private static final boolean enabled;
 
     /**
      * Create objects representing all MIDI output devices on the system.
@@ -52,7 +52,7 @@ public abstract class AbstractMidiDeviceProvider extends MidiDeviceProvider {
     }
 
 
-    synchronized void readDeviceInfos() {
+    final synchronized void readDeviceInfos() {
         Info[] infos = getInfoCache();
         MidiDevice[] devices = getDeviceCache();
         if (!enabled) {
@@ -118,7 +118,7 @@ public abstract class AbstractMidiDeviceProvider extends MidiDeviceProvider {
     }
 
 
-    public MidiDevice.Info[] getDeviceInfo() {
+    public final MidiDevice.Info[] getDeviceInfo() {
         readDeviceInfos();
         Info[] infos = getInfoCache();
         MidiDevice.Info[] localArray = new MidiDevice.Info[infos.length];
@@ -127,7 +127,7 @@ public abstract class AbstractMidiDeviceProvider extends MidiDeviceProvider {
     }
 
 
-    public MidiDevice getDevice(MidiDevice.Info info) {
+    public final MidiDevice getDevice(MidiDevice.Info info) {
         if (info instanceof Info) {
             readDeviceInfos();
             MidiDevice[] devices = getDeviceCache();
@@ -164,7 +164,7 @@ public abstract class AbstractMidiDeviceProvider extends MidiDeviceProvider {
             this.index = index;
         }
 
-        boolean equalStrings(Info info) {
+        final boolean equalStrings(Info info) {
             return      (info != null
                          && getName().equals(info.getName())
                          && getVendor().equals(info.getVendor())
@@ -172,11 +172,11 @@ public abstract class AbstractMidiDeviceProvider extends MidiDeviceProvider {
                          && getVersion().equals(info.getVersion()));
         }
 
-        int getIndex() {
+        final int getIndex() {
             return index;
         }
 
-        void setIndex(int index) {
+        final void setIndex(int index) {
             this.index = index;
         }
 

src/share/classes/com/sun/media/sound/AbstractMixer.java

 /*
- * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -27,14 +27,9 @@ package com.sun.media.sound;
 
 import java.util.Vector;
 
-import javax.sound.sampled.AudioFormat;
-import javax.sound.sampled.AudioSystem;
 import javax.sound.sampled.Control;
-import javax.sound.sampled.DataLine;
 import javax.sound.sampled.Mixer;
 import javax.sound.sampled.Line;
-import javax.sound.sampled.LineEvent;
-import javax.sound.sampled.LineListener;
 import javax.sound.sampled.LineUnavailableException;
 
 /**
@@ -95,13 +90,13 @@ abstract class AbstractMixer extends AbstractLine implements Mixer {
     /**
      * Source lines (ports) currently open
      */
-    protected Vector sourceLines = new Vector();
+    private final Vector sourceLines = new Vector();
 
 
     /**
      * Target lines currently open.
      */
-    protected Vector targetLines = new Vector();
+    private final Vector targetLines = new Vector();
 
 
     /**
@@ -133,19 +128,19 @@ abstract class AbstractMixer extends AbstractLine implements Mixer {
     // MIXER METHODS
 
 
-    public Mixer.Info getMixerInfo() {
+    public final Mixer.Info getMixerInfo() {
         return mixerInfo;
     }
 
 
-    public Line.Info[] getSourceLineInfo() {
+    public final Line.Info[] getSourceLineInfo() {
         Line.Info[] localArray = new Line.Info[sourceLineInfo.length];
         System.arraycopy(sourceLineInfo, 0, localArray, 0, sourceLineInfo.length);
         return localArray;
     }
 
 
-    public Line.Info[] getTargetLineInfo() {
+    public final Line.Info[] getTargetLineInfo() {
 
         Line.Info[] localArray = new Line.Info[targetLineInfo.length];
         System.arraycopy(targetLineInfo, 0, localArray, 0, targetLineInfo.length);
@@ -153,7 +148,7 @@ abstract class AbstractMixer extends AbstractLine implements Mixer {
     }
 
 
-    public Line.Info[] getSourceLineInfo(Line.Info info) {
+    public final Line.Info[] getSourceLineInfo(Line.Info info) {
 
         int i;
         Vector vec = new Vector();
@@ -174,7 +169,7 @@ abstract class AbstractMixer extends AbstractLine implements Mixer {
     }
 
 
-    public Line.Info[] getTargetLineInfo(Line.Info info) {
+    public final Line.Info[] getTargetLineInfo(Line.Info info) {
 
         int i;
         Vector vec = new Vector();
@@ -195,7 +190,7 @@ abstract class AbstractMixer extends AbstractLine implements Mixer {
     }
 
 
-    public boolean isLineSupported(Line.Info info) {
+    public final boolean isLineSupported(Line.Info info) {
 
         int i;
 
@@ -227,7 +222,7 @@ abstract class AbstractMixer extends AbstractLine implements Mixer {
     protected abstract void implClose();
 
 
-    public Line[] getSourceLines() {
+    public final Line[] getSourceLines() {
 
         Line[] localLines;
 
@@ -244,7 +239,7 @@ abstract class AbstractMixer extends AbstractLine implements Mixer {
     }
 
 
-    public Line[] getTargetLines() {
+    public final Line[] getTargetLines() {
 
         Line[] localLines;
 
@@ -264,7 +259,7 @@ abstract class AbstractMixer extends AbstractLine implements Mixer {
     /**
      * Default implementation always throws an exception.
      */
-    public void synchronize(Line[] lines, boolean maintainSync) {
+    public final void synchronize(Line[] lines, boolean maintainSync) {
         throw new IllegalArgumentException("Synchronization not supported by this mixer.");
     }
 
@@ -272,7 +267,7 @@ abstract class AbstractMixer extends AbstractLine implements Mixer {
     /**
      * Default implementation always throws an exception.
      */
-    public void unsynchronize(Line[] lines) {
+    public final void unsynchronize(Line[] lines) {
         throw new IllegalArgumentException("Synchronization not supported by this mixer.");
     }
 
@@ -280,7 +275,8 @@ abstract class AbstractMixer extends AbstractLine implements Mixer {
     /**
      * Default implementation always returns false.
      */
-    public boolean isSynchronizationSupported(Line[] lines, boolean maintainSync) {
+    public final boolean isSynchronizationSupported(Line[] lines,
+                                                    boolean maintainSync) {
         return false;
     }
 
@@ -290,14 +286,14 @@ abstract class AbstractMixer extends AbstractLine implements Mixer {
     /**
      * This implementation tries to open the mixer with its current format and buffer size settings.
      */
-    public synchronized void open() throws LineUnavailableException {
+    public final synchronized void open() throws LineUnavailableException {
         open(true);
     }
 
     /**
      * This implementation tries to open the mixer with its current format and buffer size settings.
      */
-    protected synchronized void open(boolean manual) throws LineUnavailableException {
+    final synchronized void open(boolean manual) throws LineUnavailableException {
         if (Printer.trace) Printer.trace(">> AbstractMixer: open()");
         if (!isOpen()) {
             implOpen();
@@ -322,7 +318,7 @@ abstract class AbstractMixer extends AbstractLine implements Mixer {
      * The mixer may be opened at a format different than the line's
      * format if it is a DataLine.
      */
-    protected synchronized void open(Line line) throws LineUnavailableException {
+    final synchronized void open(Line line) throws LineUnavailableException {
 
         if (Printer.trace) Printer.trace(">> AbstractMixer: open(line = " + line + ")");
 
@@ -367,7 +363,7 @@ abstract class AbstractMixer extends AbstractLine implements Mixer {
      * open target lines, if it exists in either.
      * If the list is now empty, closes the mixer.
      */
-    protected synchronized void close(Line line) {
+    final synchronized void close(Line line) {
 
         if (Printer.trace) Printer.trace(">> AbstractMixer: close(" + line + ")");
 
@@ -396,7 +392,7 @@ abstract class AbstractMixer extends AbstractLine implements Mixer {
     /**
      * Close all lines and then close this mixer.
      */
-    public synchronized void close() {
+    public final synchronized void close() {
         if (Printer.trace) Printer.trace(">> AbstractMixer: close()");
         if (isOpen()) {
             // close all source lines
@@ -423,7 +419,7 @@ abstract class AbstractMixer extends AbstractLine implements Mixer {
     /**
      * Starts the mixer.
      */
-    protected synchronized void start(Line line) {
+    final synchronized void start(Line line) {
 
         if (Printer.trace) Printer.trace(">> AbstractMixer: start(" + line + ")");
 
@@ -447,7 +443,7 @@ abstract class AbstractMixer extends AbstractLine implements Mixer {
     /**
      * Stops the mixer if this was the last running line.
      */
-    protected synchronized void stop(Line line) {
+    final synchronized void stop(Line line) {
 
         if (Printer.trace) Printer.trace(">> AbstractMixer: stop(" + line + ")");
 
@@ -501,7 +497,7 @@ abstract class AbstractMixer extends AbstractLine implements Mixer {
      * Right now this just checks whether it's supported, but should
      * check whether it actually belongs to this mixer....
      */
-    boolean isSourceLine(Line.Info info) {
+    final boolean isSourceLine(Line.Info info) {
 
         for (int i = 0; i < sourceLineInfo.length; i++) {
             if (info.matches(sourceLineInfo[i])) {
@@ -518,7 +514,7 @@ abstract class AbstractMixer extends AbstractLine implements Mixer {
      * Right now this just checks whether it's supported, but should
      * check whether it actually belongs to this mixer....
      */
-    boolean isTargetLine(Line.Info info) {
+    final boolean isTargetLine(Line.Info info) {
 
         for (int i = 0; i < targetLineInfo.length; i++) {
             if (info.matches(targetLineInfo[i])) {
@@ -535,7 +531,7 @@ abstract class AbstractMixer extends AbstractLine implements Mixer {
      * matches the one specified, or null if no matching Line.Info
      * object is found.
      */
-    Line.Info getLineInfo(Line.Info info) {
+    final Line.Info getLineInfo(Line.Info info) {
         if (info == null) {
             return null;
         }

src/share/classes/com/sun/media/sound/AiffFileFormat.java

 /*
- * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -35,7 +35,7 @@ import javax.sound.sampled.AudioFormat;
  * @author Jan Borgersen
  */
 
-class AiffFileFormat extends AudioFileFormat {
+final class AiffFileFormat extends AudioFileFormat {
 
     static final int AIFF_MAGIC         = 1179603533;
 
@@ -62,13 +62,13 @@ class AiffFileFormat extends AudioFileFormat {
     //$$fb 2001-07-13: added management of header size in this class
 
     /** header size in bytes */
-    private int headerSize=AIFF_HEADERSIZE;
+    private final int headerSize=AIFF_HEADERSIZE;
 
     /** comm chunk size in bytes, inclusive magic and length field */
-    private int commChunkSize=26;
+    private final int commChunkSize=26;
 
     /** FVER chunk size in bytes, inclusive magic and length field */
-    private int fverChunkSize=0;
+    private final int fverChunkSize=0;
 
     AiffFileFormat( AudioFileFormat aff ) {
         this( aff.getType(), aff.getByteLength(), aff.getFormat(), aff.getFrameLength() );

src/share/classes/com/sun/media/sound/AiffFileReader.java

 /*
- * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,28 +25,17 @@
 
 package com.sun.media.sound;
 
-import java.util.Vector;
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
 import java.io.File;
-import java.io.InputStream;
-import java.io.OutputStream;
+import java.io.FileInputStream;
 import java.io.IOException;
-import java.io.EOFException;
+import java.io.InputStream;
 import java.net.URL;
-import java.net.MalformedURLException;
-
-import java.io.BufferedInputStream;
-import java.io.BufferedOutputStream;
-import java.io.DataInputStream;
-import java.io.FileInputStream;
-import java.io.DataOutputStream;
-import java.io.FileOutputStream;
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.SequenceInputStream;
 
 import javax.sound.sampled.AudioFileFormat;
-import javax.sound.sampled.AudioInputStream;
 import javax.sound.sampled.AudioFormat;
+import javax.sound.sampled.AudioInputStream;
 import javax.sound.sampled.AudioSystem;
 import javax.sound.sampled.UnsupportedAudioFileException;
 
@@ -58,19 +47,10 @@ import javax.sound.sampled.UnsupportedAudioFileException;
  * @author Jan Borgersen
  * @author Florian Bomers
  */
-public class AiffFileReader extends SunFileReader  {
+public final class AiffFileReader extends SunFileReader {
 
     private static final int MAX_READ_LENGTH = 8;
 
-
-    /**
-     * AIFF parser type
-     */
-    public static final AudioFileFormat.Type types[] = {
-        AudioFileFormat.Type.AIFF
-    };
-
-
     /**
      * Constructs a new AiffParser object.
      */

src/share/classes/com/sun/media/sound/AiffFileWriter.java

 /*
- * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -50,21 +50,13 @@ import javax.sound.sampled.AudioSystem;
  *
  * @author Jan Borgersen
  */
-public class AiffFileWriter extends SunFileWriter {
-
-    /**
-     * AIFF type
-     */
-    private static final AudioFileFormat.Type aiffTypes[] = {
-        AudioFileFormat.Type.AIFF
-    };
-
+public final class AiffFileWriter extends SunFileWriter {
 
     /**
      * Constructs a new AiffFileWriter object.
      */
     public AiffFileWriter() {
-        super(aiffTypes);
+        super(new AudioFileFormat.Type[]{AudioFileFormat.Type.AIFF});
     }
 
 

src/share/classes/com/sun/media/sound/AlawCodec.java

 /*
- * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,14 +25,12 @@
 
 package com.sun.media.sound;
 
-import java.io.InputStream;
 import java.io.IOException;
-
 import java.util.Vector;
 
 import javax.sound.sampled.AudioFormat;
-import javax.sound.sampled.AudioSystem;
 import javax.sound.sampled.AudioInputStream;
+import javax.sound.sampled.AudioSystem;
 
 
 /**
@@ -40,12 +38,12 @@ import javax.sound.sampled.AudioInputStream;
  *
  * @author Kara Kytle
  */
-public class AlawCodec extends SunCodec {
+public final class AlawCodec extends SunCodec {
 
     /* Tables used for A-law decoding */
 
-    final static byte ALAW_TABH[] = new byte[256];
-    final static byte ALAW_TABL[] = new byte[256];
+    private static final byte[] ALAW_TABH = new byte[256];
+    private static final byte[] ALAW_TABL = new byte[256];
 
     private static final AudioFormat.Encoding[] alawEncodings = { AudioFormat.Encoding.ALAW, AudioFormat.Encoding.PCM_SIGNED };
 
@@ -256,7 +254,7 @@ public class AlawCodec extends SunCodec {
     }
 
 
-    class AlawCodecStream extends AudioInputStream {
+    final class AlawCodecStream extends AudioInputStream {
 
         // tempBuffer required only for encoding (when encode is true)
         private static final int tempBufferSize = 64;

src/share/classes/com/sun/media/sound/AuFileFormat.java

 /*
- * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -36,7 +36,7 @@ import javax.sound.sampled.AudioFormat;
  * @author Jan Borgersen
  */
 
-class AuFileFormat extends AudioFileFormat {
+final class AuFileFormat extends AudioFileFormat {
 
     // magic numbers
     static final int AU_SUN_MAGIC =     0x2e736e64;
@@ -60,7 +60,7 @@ class AuFileFormat extends AudioFileFormat {
 
     static final int AU_HEADERSIZE       = 24;
 
-    int auType;
+    private int auType;
 
     AuFileFormat( AudioFileFormat aff ) {
 

src/share/classes/com/sun/media/sound/AuFileReader.java

 /*
- * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,28 +25,17 @@
 
 package com.sun.media.sound;
 
-import java.util.Vector;
-import java.io.File;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.io.IOException;
-import java.io.EOFException;
-import java.net.URL;
-import java.net.MalformedURLException;
-
 import java.io.BufferedInputStream;
-import java.io.BufferedOutputStream;
 import java.io.DataInputStream;
+import java.io.File;
 import java.io.FileInputStream;
-import java.io.DataOutputStream;
-import java.io.FileOutputStream;
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.SequenceInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
 
 import javax.sound.sampled.AudioFileFormat;
-import javax.sound.sampled.AudioInputStream;
 import javax.sound.sampled.AudioFormat;
+import javax.sound.sampled.AudioInputStream;
 import javax.sound.sampled.AudioSystem;
 import javax.sound.sampled.UnsupportedAudioFileException;
 
@@ -58,16 +47,7 @@ import javax.sound.sampled.UnsupportedAudioFileException;
  * @author Jan Borgersen
  * @author Florian Bomers
  */
-public class AuFileReader extends SunFileReader {
-
-    /**
-     * AU reader type
-     */
-
-    public static final AudioFileFormat.Type types[] = {
-        AudioFileFormat.Type.AU
-    };
-
+public final class AuFileReader extends SunFileReader {
 
     /**
      * Constructs a new AuFileReader object.

src/share/classes/com/sun/media/sound/AuFileWriter.java

 /*
- * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -49,28 +49,18 @@ import javax.sound.sampled.AudioSystem;
  *
  * @author Jan Borgersen
  */
-public class AuFileWriter extends SunFileWriter {
+public final class AuFileWriter extends SunFileWriter {
 
     //$$fb value for length field if length is not known
     public final static int UNKNOWN_SIZE=-1;
 
-    /**
-     * AU type
-     */
-    private static final AudioFileFormat.Type auTypes[] = {
-        AudioFileFormat.Type.AU
-    };
-
-
     /**
      * Constructs a new AuFileWriter object.
      */
     public AuFileWriter() {
-        super(auTypes);
+        super(new AudioFileFormat.Type[]{AudioFileFormat.Type.AU});
     }
 
-
-
     public AudioFileFormat.Type[] getAudioFileTypes(AudioInputStream stream) {
 
         AudioFileFormat.Type[] filetypes = new AudioFileFormat.Type[types.length];

src/share/classes/com/sun/media/sound/AudioFileSoundbankReader.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -43,7 +43,7 @@ import javax.sound.sampled.UnsupportedAudioFileException;
  *
  * @author Karl Helgason
  */
-public class AudioFileSoundbankReader extends SoundbankReader {
+public final class AudioFileSoundbankReader extends SoundbankReader {
 
     public Soundbank getSoundbank(URL url)
             throws InvalidMidiDataException, IOException {

src/share/classes/com/sun/media/sound/AudioFloatConverter.java

 /*
- * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -51,7 +51,7 @@ public abstract class AudioFloatConverter {
 
     private static class AudioFloatLSBFilter extends AudioFloatConverter {
 
-        private AudioFloatConverter converter;
+        private final AudioFloatConverter converter;
 
         final private int offset;
 
@@ -61,8 +61,7 @@ public abstract class AudioFloatConverter {
 
         private byte[] mask_buffer;
 
-        public AudioFloatLSBFilter(AudioFloatConverter converter,
-                AudioFormat format) {
+        AudioFloatLSBFilter(AudioFloatConverter converter, AudioFormat format) {
             int bits = format.getSampleSizeInBits();
             boolean bigEndian = format.isBigEndian();
             this.converter = converter;
@@ -740,7 +739,7 @@ public abstract class AudioFloatConverter {
 
         final int xbytes;
 
-        public AudioFloatConversion32xSL(int xbytes) {
+        AudioFloatConversion32xSL(int xbytes) {
             this.xbytes = xbytes;
         }
 
@@ -781,7 +780,7 @@ public abstract class AudioFloatConverter {
 
         final int xbytes;
 
-        public AudioFloatConversion32xSB(int xbytes) {
+        AudioFloatConversion32xSB(int xbytes) {
             this.xbytes = xbytes;
         }
 
@@ -823,7 +822,7 @@ public abstract class AudioFloatConverter {
 
         final int xbytes;
 
-        public AudioFloatConversion32xUL(int xbytes) {
+        AudioFloatConversion32xUL(int xbytes) {
             this.xbytes = xbytes;
         }
 
@@ -866,7 +865,7 @@ public abstract class AudioFloatConverter {
 
         final int xbytes;
 
-        public AudioFloatConversion32xUB(int xbytes) {
+        AudioFloatConversion32xUB(int xbytes) {
             this.xbytes = xbytes;
         }
 
@@ -1008,49 +1007,51 @@ public abstract class AudioFloatConverter {
 
     private AudioFormat format;
 
-    public AudioFormat getFormat() {
+    public final AudioFormat getFormat() {
         return format;
     }
 
     public abstract float[] toFloatArray(byte[] in_buff, int in_offset,
             float[] out_buff, int out_offset, int out_len);
 
-    public float[] toFloatArray(byte[] in_buff, float[] out_buff,
+    public final float[] toFloatArray(byte[] in_buff, float[] out_buff,
             int out_offset, int out_len) {
         return toFloatArray(in_buff, 0, out_buff, out_offset, out_len);
     }
 
-    public float[] toFloatArray(byte[] in_buff, int in_offset,
+    public final float[] toFloatArray(byte[] in_buff, int in_offset,
             float[] out_buff, int out_len) {
         return toFloatArray(in_buff, in_offset, out_buff, 0, out_len);
     }
 
-    public float[] toFloatArray(byte[] in_buff, float[] out_buff, int out_len) {
+    public final float[] toFloatArray(byte[] in_buff, float[] out_buff,
+                                      int out_len) {
         return toFloatArray(in_buff, 0, out_buff, 0, out_len);
     }
 
-    public float[] toFloatArray(byte[] in_buff, float[] out_buff) {
+    public final float[] toFloatArray(byte[] in_buff, float[] out_buff) {
         return toFloatArray(in_buff, 0, out_buff, 0, out_buff.length);
     }
 
     public abstract byte[] toByteArray(float[] in_buff, int in_offset,
             int in_len, byte[] out_buff, int out_offset);
 
-    public byte[] toByteArray(float[] in_buff, int in_len, byte[] out_buff,
-            int out_offset) {
+    public final byte[] toByteArray(float[] in_buff, int in_len,
+                                    byte[] out_buff, int out_offset) {
         return toByteArray(in_buff, 0, in_len, out_buff, out_offset);
     }
 
-    public byte[] toByteArray(float[] in_buff, int in_offset, int in_len,
-            byte[] out_buff) {
+    public final byte[] toByteArray(float[] in_buff, int in_offset, int in_len,
+                                    byte[] out_buff) {
         return toByteArray(in_buff, in_offset, in_len, out_buff, 0);
     }
 
-    public byte[] toByteArray(float[] in_buff, int in_len, byte[] out_buff) {
+    public final byte[] toByteArray(float[] in_buff, int in_len,
+                                    byte[] out_buff) {
         return toByteArray(in_buff, 0, in_len, out_buff, 0);
     }
 
-    public byte[] toByteArray(float[] in_buff, byte[] out_buff) {
+    public final byte[] toByteArray(float[] in_buff, byte[] out_buff) {
         return toByteArray(in_buff, 0, in_buff.length, out_buff, 0);
     }
 }

src/share/classes/com/sun/media/sound/AudioFloatFormatConverter.java

 /*
- * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -42,19 +42,19 @@ import javax.sound.sampled.spi.FormatConversionProvider;
  *
  * @author Karl Helgason
  */
-public class AudioFloatFormatConverter extends FormatConversionProvider {
+public final class AudioFloatFormatConverter extends FormatConversionProvider {
 
     private static class AudioFloatFormatConverterInputStream extends
             InputStream {
-        private AudioFloatConverter converter;
+        private final AudioFloatConverter converter;
 
-        private AudioFloatInputStream stream;
+        private final AudioFloatInputStream stream;
 
         private float[] readfloatbuffer;
 
-        private int fsize = 0;
+        private final int fsize;
 
-        public AudioFloatFormatConverterInputStream(AudioFormat targetFormat,
+        AudioFloatFormatConverterInputStream(AudioFormat targetFormat,
                 AudioFloatInputStream stream) {
             this.stream = stream;
             converter = AudioFloatConverter.getConverter(targetFormat);
@@ -116,17 +116,17 @@ public class AudioFloatFormatConverter extends FormatConversionProvider {
     private static class AudioFloatInputStreamChannelMixer extends
             AudioFloatInputStream {
 
-        private int targetChannels;
+        private final int targetChannels;
 
-        private int sourceChannels;
+        private final int sourceChannels;
 
-        private AudioFloatInputStream ais;
+        private final AudioFloatInputStream ais;
 
-        private AudioFormat targetFormat;
+        private final AudioFormat targetFormat;
 
         private float[] conversion_buffer;
 
-        public AudioFloatInputStreamChannelMixer(AudioFloatInputStream ais,
+        AudioFloatInputStreamChannelMixer(AudioFloatInputStream ais,
                 int targetChannels) {
             this.sourceChannels = ais.getFormat().getChannels();
             this.targetChannels = targetChannels;
@@ -226,37 +226,37 @@ public class AudioFloatFormatConverter extends FormatConversionProvider {
     private static class AudioFloatInputStreamResampler extends
             AudioFloatInputStream {
 
-        private AudioFloatInputStream ais;
+        private final AudioFloatInputStream ais;
 
-        private AudioFormat targetFormat;
+        private final AudioFormat targetFormat;
 
         private float[] skipbuffer;
 
         private SoftAbstractResampler resampler;
 
-        private float[] pitch = new float[1];
+        private final float[] pitch = new float[1];
 
-        private float[] ibuffer2;
+        private final float[] ibuffer2;
 
-        private float[][] ibuffer;
+        private final float[][] ibuffer;
 
         private float ibuffer_index = 0;
 
         private int ibuffer_len = 0;
 
-        private int nrofchannels = 0;
+        private final int nrofchannels;
 
         private float[][] cbuffer;
 
-        private int buffer_len = 512;
+        private final int buffer_len = 512;
 
-        private int pad;
+        private final int pad;
 
-        private int pad2;
+        private final int pad2;
 
-        private float[] ix = new float[1];
+        private final float[] ix = new float[1];
 
-        private int[] ox = new int[1];
+        private final int[] ox = new int[1];
 
         private float[][] mark_ibuffer = null;
 
@@ -264,7 +264,7 @@ public class AudioFloatFormatConverter extends FormatConversionProvider {
 
         private int mark_ibuffer_len = 0;
 
-        public AudioFloatInputStreamResampler(AudioFloatInputStream ais,
+        AudioFloatInputStreamResampler(AudioFloatInputStream ais,
                 AudioFormat format) {
             this.ais = ais;
             AudioFormat sourceFormat = ais.getFormat();
@@ -468,8 +468,9 @@ public class AudioFloatFormatConverter extends FormatConversionProvider {
 
     }
 
-    private Encoding[] formats = { Encoding.PCM_SIGNED, Encoding.PCM_UNSIGNED,
-            Encoding.PCM_FLOAT };
+    private final Encoding[] formats = {Encoding.PCM_SIGNED,
+                                        Encoding.PCM_UNSIGNED,
+                                        Encoding.PCM_FLOAT};
 
     public AudioInputStream getAudioInputStream(Encoding targetEncoding,
             AudioInputStream sourceStream) {

src/share/classes/com/sun/media/sound/AudioFloatInputStream.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -48,14 +48,14 @@ public abstract class AudioFloatInputStream {
 
         private int pos = 0;
         private int markpos = 0;
-        private AudioFloatConverter converter;
-        private AudioFormat format;
-        private byte[] buffer;
-        private int buffer_offset;
-        private int buffer_len;
-        private int framesize_pc;
-
-        public BytaArrayAudioFloatInputStream(AudioFloatConverter converter,
+        private final AudioFloatConverter converter;
+        private final AudioFormat format;
+        private final byte[] buffer;
+        private final int buffer_offset;
+        private final int buffer_len;
+        private final int framesize_pc;
+
+        BytaArrayAudioFloatInputStream(AudioFloatConverter converter,
                 byte[] buffer, int offset, int len) {
             this.converter = converter;
             this.format = converter.getFormat();
@@ -125,12 +125,12 @@ public abstract class AudioFloatInputStream {
     private static class DirectAudioFloatInputStream
             extends AudioFloatInputStream {
 
-        private AudioInputStream stream;
+        private final AudioInputStream stream;
         private AudioFloatConverter converter;
-        private int framesize_pc; // framesize / channels
+        private final int framesize_pc; // framesize / channels
         private byte[] buffer;
 
-        public DirectAudioFloatInputStream(AudioInputStream stream) {
+        DirectAudioFloatInputStream(AudioInputStream stream) {
             converter = AudioFloatConverter.getConverter(stream.getFormat());
             if (converter == null) {
                 AudioFormat format = stream.getFormat();
@@ -255,11 +255,11 @@ public abstract class AudioFloatInputStream {
 
     public abstract int read(float[] b, int off, int len) throws IOException;
 
-    public int read(float[] b) throws IOException {
+    public final int read(float[] b) throws IOException {
         return read(b, 0, b.length);
     }
 
-    public float read() throws IOException {
+    public final float read() throws IOException {
         float[] b = new float[1];
         int ret = read(b, 0, 1);
         if (ret == -1 || ret == 0)

src/share/classes/com/sun/media/sound/AudioSynthesizerPropertyInfo.java

 /*
- * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,7 +29,7 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class AudioSynthesizerPropertyInfo {
+public final class AudioSynthesizerPropertyInfo {
 
     /**
      * Constructs a <code>AudioSynthesizerPropertyInfo</code> object with a given

src/share/classes/com/sun/media/sound/DLSInfo.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,7 +30,7 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class DLSInfo {
+public final class DLSInfo {
 
     /**
      * (INAM) Title or subject.

src/share/classes/com/sun/media/sound/DLSInstrument.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -40,15 +40,15 @@ import javax.sound.midi.Patch;
  *
  * @author Karl Helgason
  */
-public class DLSInstrument extends ModelInstrument {
-
-    protected int preset = 0;
-    protected int bank = 0;
-    protected boolean druminstrument = false;
-    protected byte[] guid = null;
-    protected DLSInfo info = new DLSInfo();
-    protected List<DLSRegion> regions = new ArrayList<DLSRegion>();
-    protected List<DLSModulator> modulators = new ArrayList<DLSModulator>();
+public final class DLSInstrument extends ModelInstrument {
+
+    int preset = 0;
+    int bank = 0;
+    boolean druminstrument = false;
+    byte[] guid = null;
+    DLSInfo info = new DLSInfo();
+    List<DLSRegion> regions = new ArrayList<DLSRegion>();
+    List<DLSModulator> modulators = new ArrayList<DLSModulator>();
 
     public DLSInstrument() {
         super(null, null, null, null);

src/share/classes/com/sun/media/sound/DLSModulator.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -33,7 +33,7 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class DLSModulator {
+public final class DLSModulator {
 
     // DLS1 Destinations
     public static final int CONN_DST_NONE = 0x000; // 0
@@ -102,12 +102,12 @@ public class DLSModulator {
     public static final int DST_FORMAT_CENT = 1;
     public static final int DST_FORMAT_TIMECENT = 2;
     public static final int DST_FORMAT_PERCENT = 3;
-    protected int source;
-    protected int control;
-    protected int destination;
-    protected int transform;
-    protected int scale;
-    protected int version = 1;
+    int source;
+    int control;
+    int destination;
+    int transform;
+    int scale;
+    int version = 1;
 
     public int getControl() {
         return control;

src/share/classes/com/sun/media/sound/DLSRegion.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -36,21 +36,21 @@ import java.util.List;
  *
  * @author Karl Helgason
  */
-public class DLSRegion {
+public final class DLSRegion {
 
     public final static int OPTION_SELFNONEXCLUSIVE = 0x0001;
-    protected List<DLSModulator> modulators = new ArrayList<DLSModulator>();
-    protected int keyfrom;
-    protected int keyto;
-    protected int velfrom;
-    protected int velto;
-    protected int options;
-    protected int exclusiveClass;
-    protected int fusoptions;
-    protected int phasegroup;
-    protected long channel;
-    protected DLSSample sample = null;
-    protected DLSSampleOptions sampleoptions;
+    List<DLSModulator> modulators = new ArrayList<DLSModulator>();
+    int keyfrom;
+    int keyto;
+    int velfrom;
+    int velto;
+    int options;
+    int exclusiveClass;
+    int fusoptions;
+    int phasegroup;
+    long channel;
+    DLSSample sample = null;
+    DLSSampleOptions sampleoptions;
 
     public List<DLSModulator> getModulators() {
         return modulators;

src/share/classes/com/sun/media/sound/DLSSample.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -40,13 +40,13 @@ import javax.sound.sampled.AudioInputStream;
  *
  * @author Karl Helgason
  */
-public class DLSSample extends SoundbankResource {
+public final class DLSSample extends SoundbankResource {
 
-    protected byte[] guid = null;
-    protected DLSInfo info = new DLSInfo();
-    protected DLSSampleOptions sampleoptions;
-    protected ModelByteBuffer data;
-    protected AudioFormat format;
+    byte[] guid = null;
+    DLSInfo info = new DLSInfo();
+    DLSSampleOptions sampleoptions;
+    ModelByteBuffer data;
+    AudioFormat format;
 
     public DLSSample(Soundbank soundBank) {
         super(soundBank, null, AudioInputStream.class);

src/share/classes/com/sun/media/sound/DLSSampleLoop.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,13 +29,13 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class DLSSampleLoop {
+public final class DLSSampleLoop {
 
     public final static int LOOP_TYPE_FORWARD = 0;
     public final static int LOOP_TYPE_RELEASE = 1;
-    protected long type;
-    protected long start;
-    protected long length;
+    long type;
+    long start;
+    long length;
 
     public long getLength() {
         return length;

src/share/classes/com/sun/media/sound/DLSSampleOptions.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -34,13 +34,13 @@ import java.util.List;
  *
  * @author Karl Helgason
  */
-public class DLSSampleOptions {
+public final class DLSSampleOptions {
 
-    protected int unitynote;
-    protected short finetune;
-    protected int attenuation;
-    protected long options;
-    protected List<DLSSampleLoop> loops = new ArrayList<DLSSampleLoop>();
+    int unitynote;
+    short finetune;
+    int attenuation;
+    long options;
+    List<DLSSampleLoop> loops = new ArrayList<DLSSampleLoop>();
 
     public int getAttenuation() {
         return attenuation;

src/share/classes/com/sun/media/sound/DLSSoundbank.java

 /*
- * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -51,7 +51,7 @@ import javax.sound.sampled.AudioFormat.Encoding;
  *
  * @author Karl Helgason
  */
-public class DLSSoundbank implements Soundbank {
+public final class DLSSoundbank implements Soundbank {
 
     static private class DLSID {
         long i1;
@@ -69,7 +69,7 @@ public class DLSSoundbank implements Soundbank {
         private DLSID() {
         }
 
-        public DLSID(long i1, int s1, int s2, int x1, int x2, int x3, int x4,
+        DLSID(long i1, int s1, int s2, int x1, int x2, int x3, int x4,
                 int x5, int x6, int x7, int x8) {
             this.i1 = i1;
             this.s1 = s1;
@@ -174,10 +174,10 @@ public class DLSSoundbank implements Soundbank {
     private long major = -1;
     private long minor = -1;
 
-    private DLSInfo info = new DLSInfo();
+    private final DLSInfo info = new DLSInfo();
 
-    private List<DLSInstrument> instruments = new ArrayList<DLSInstrument>();
-    private List<DLSSample> samples = new ArrayList<DLSSample>();
+    private final List<DLSInstrument> instruments = new ArrayList<DLSInstrument>();
+    private final List<DLSSample> samples = new ArrayList<DLSSample>();
 
     private boolean largeFormat = false;
     private File sampleFile;

src/share/classes/com/sun/media/sound/DLSSoundbankReader.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -39,7 +39,7 @@ import javax.sound.midi.spi.SoundbankReader;
  *
  * @author Karl Helgason
  */
-public class DLSSoundbankReader extends SoundbankReader {
+public final class DLSSoundbankReader extends SoundbankReader {
 
     public Soundbank getSoundbank(URL url)
             throws InvalidMidiDataException, IOException {

src/share/classes/com/sun/media/sound/DataPusher.java

 /*
- * Copyright (c) 2002, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -37,13 +37,13 @@ import javax.sound.sampled.*;
  * @author Florian Bomers
  */
 
-public class DataPusher implements Runnable {
+public final class DataPusher implements Runnable {
 
     private static final int AUTO_CLOSE_TIME = 5000;
     private static final boolean DEBUG = false;
 
-    private SourceDataLine source = null;
-    private AudioFormat format = null;
+    private final SourceDataLine source;
+    private final AudioFormat format;
 
     // stream as source data
     private AudioInputStream ais = null;

src/share/classes/com/sun/media/sound/DirectAudioDevice.java

 /*
- * Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -42,7 +42,7 @@ import javax.sound.sampled.*;
  *
  * @author Florian Bomers
  */
-class DirectAudioDevice extends AbstractMixer {
+final class DirectAudioDevice extends AbstractMixer {
 
     // CONSTANTS
     private static final int CLIP_BUFFER_TIME = 1000; // in milliseconds
@@ -335,8 +335,8 @@ class DirectAudioDevice extends AbstractMixer {
      * but isFormatSupported() also returns true
      * for formats with wrong endianness.
      */
-    private static class DirectDLI extends DataLine.Info {
-        AudioFormat[] hardwareFormats;
+    private static final class DirectDLI extends DataLine.Info {
+        final AudioFormat[] hardwareFormats;
 
         private DirectDLI(Class clazz, AudioFormat[] formatArray,
                           AudioFormat[] hardwareFormatArray,
@@ -370,12 +370,12 @@ class DirectAudioDevice extends AbstractMixer {
      * Private inner class as base class for direct lines
      */
     private static class DirectDL extends AbstractDataLine implements EventDispatcher.LineMonitor {
-        protected int mixerIndex;
-        protected int deviceID;
+        protected final int mixerIndex;
+        protected final int deviceID;
         protected long id;
         protected int waitTime;
         protected volatile boolean flushing = false;
-        protected boolean isSource;         // true for SourceDataLine, false for TargetDataLine
+        protected final boolean isSource;         // true for SourceDataLine, false for TargetDataLine
         protected volatile long bytePosition;
         protected volatile boolean doIO = false;     // true in between start() and stop() calls
         protected volatile boolean stoppedWritten = false; // true if a write occured in stopped state
@@ -387,10 +387,10 @@ class DirectAudioDevice extends AbstractMixer {
         protected int softwareConversionSize = 0;
         protected AudioFormat hardwareFormat;
 
-        private Gain gainControl = new Gain();
-        private Mute muteControl = new Mute();
-        private Balance balanceControl = new Balance();
-        private Pan panControl = new Pan();
+        private final Gain gainControl = new Gain();
+        private final Mute muteControl = new Mute();
+        private final Balance balanceControl = new Balance();
+        private final Pan panControl = new Pan();
         private float leftGain, rightGain;
         protected volatile boolean noService = false; // do not run the nService method
 
@@ -829,7 +829,7 @@ class DirectAudioDevice extends AbstractMixer {
 
         /////////////////// CONTROLS /////////////////////////////
 
-        protected class Gain extends FloatControl {
+        protected final class Gain extends FloatControl {
 
             private float linearGain = 1.0f;
 
@@ -862,7 +862,7 @@ class DirectAudioDevice extends AbstractMixer {
         } // class Gain
 
 
-        private class Mute extends BooleanControl {
+        private final class Mute extends BooleanControl {
 
             private Mute() {
                 super(BooleanControl.Type.MUTE, false, "True", "False");
@@ -874,7 +874,7 @@ class DirectAudioDevice extends AbstractMixer {
             }
         }  // class Mute
 
-        private class Balance extends FloatControl {
+        private final class Balance extends FloatControl {
 
             private Balance() {
                 super(FloatControl.Type.BALANCE, -1.0f, 1.0f, (1.0f / 128.0f), -1, 0.0f,
@@ -893,7 +893,7 @@ class DirectAudioDevice extends AbstractMixer {
 
         } // class Balance
 
-        private class Pan extends FloatControl {
+        private final class Pan extends FloatControl {
 
             private Pan() {
                 super(FloatControl.Type.PAN, -1.0f, 1.0f, (1.0f / 128.0f), -1, 0.0f,
@@ -918,7 +918,8 @@ class DirectAudioDevice extends AbstractMixer {
     /**
      * Private inner class representing a SourceDataLine
      */
-    private static class DirectSDL extends DirectDL implements SourceDataLine {
+    private static final class DirectSDL extends DirectDL
+            implements SourceDataLine {
 
         // CONSTRUCTOR
         private DirectSDL(DataLine.Info info,
@@ -934,7 +935,8 @@ class DirectAudioDevice extends AbstractMixer {
     /**
      * Private inner class representing a TargetDataLine
      */
-    private static class DirectTDL extends DirectDL implements TargetDataLine {
+    private static final class DirectTDL extends DirectDL
+            implements TargetDataLine {
 
         // CONSTRUCTOR
         private DirectTDL(DataLine.Info info,
@@ -1012,7 +1014,9 @@ class DirectAudioDevice extends AbstractMixer {
      * Private inner class representing a Clip
      * This clip is realized in software only
      */
-    private static class DirectClip extends DirectDL implements Clip,  Runnable, AutoClosingClip {
+    private static final class DirectClip extends DirectDL
+            implements Clip, Runnable, AutoClosingClip {
+
         private Thread thread;
         private byte[] audioData = null;
         private int frameSize;         // size of one frame in bytes
@@ -1045,7 +1049,7 @@ class DirectAudioDevice extends AbstractMixer {
 
             byte[] newData = new byte[bufferSize];
             System.arraycopy(data, offset, newData, 0, bufferSize);
-            open(format, data, bufferSize / format.getFrameSize());
+            open(format, newData, bufferSize / format.getFrameSize());
         }
 
         // this method does not copy the data array
@@ -1443,7 +1447,7 @@ class DirectAudioDevice extends AbstractMixer {
      * which allows retrieval of the internal array
      */
     private static class DirectBAOS extends ByteArrayOutputStream {
-        public DirectBAOS() {
+        DirectBAOS() {
             super();
         }
 

src/share/classes/com/sun/media/sound/DirectAudioDeviceProvider.java

 /*
- * Copyright (c) 2002, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,8 +25,6 @@
 
 package com.sun.media.sound;
 
-import java.util.Vector;
-
 import javax.sound.sampled.Mixer;
 import javax.sound.sampled.spi.MixerProvider;
 
@@ -36,7 +34,7 @@ import javax.sound.sampled.spi.MixerProvider;
  *
  * @author Florian Bomers
  */
-public class DirectAudioDeviceProvider extends MixerProvider {
+public final class DirectAudioDeviceProvider extends MixerProvider {
 
     // STATIC VARIABLES
 
@@ -66,16 +64,17 @@ public class DirectAudioDeviceProvider extends MixerProvider {
      * Required public no-arg constructor.
      */
     public DirectAudioDeviceProvider() {
-        //if (Printer.trace) Printer.trace("DirectAudioDeviceProvider: constructor");
-        if (Platform.isDirectAudioEnabled()) {
-            init();
-        } else {
-            infos = new DirectAudioDeviceInfo[0];
-            devices = new DirectAudioDevice[0];
+        synchronized (DirectAudioDeviceProvider.class) {
+            if (Platform.isDirectAudioEnabled()) {
+                init();
+            } else {
+                infos = new DirectAudioDeviceInfo[0];
+                devices = new DirectAudioDevice[0];
+            }
         }
     }
 
-    private synchronized static void init() {
+    private static void init() {
         // get the number of input devices
         int numDevices = nGetNumDevices();
 
@@ -94,36 +93,39 @@ public class DirectAudioDeviceProvider extends MixerProvider {
     }
 
     public Mixer.Info[] getMixerInfo() {
-        Mixer.Info[] localArray = new Mixer.Info[infos.length];
-        System.arraycopy(infos, 0, localArray, 0, infos.length);
-        return localArray;
+        synchronized (DirectAudioDeviceProvider.class) {
+            Mixer.Info[] localArray = new Mixer.Info[infos.length];
+            System.arraycopy(infos, 0, localArray, 0, infos.length);
+            return localArray;
+        }
     }
 
 
     public Mixer getMixer(Mixer.Info info) {
-        // if the default device is asked, we provide the mixer
-        // with SourceDataLine's
-        if (info == null) {
-            for (int i = 0; i < infos.length; i++) {
-                Mixer mixer = getDevice(infos[i]);
-                if (mixer.getSourceLineInfo().length > 0) {
-                    return mixer;
+        synchronized (DirectAudioDeviceProvider.class) {
+            // if the default device is asked, we provide the mixer
+            // with SourceDataLine's
+            if (info == null) {
+                for (int i = 0; i < infos.length; i++) {
+                    Mixer mixer = getDevice(infos[i]);
+                    if (mixer.getSourceLineInfo().length > 0) {
+                        return mixer;
+                    }
                 }
             }
-        }
-        // otherwise get the first mixer that matches
-        // the requested info object
-        for (int i = 0; i < infos.length; i++) {
-            if (infos[i].equals(info)) {
-                return getDevice(infos[i]);
+            // otherwise get the first mixer that matches
+            // the requested info object
+            for (int i = 0; i < infos.length; i++) {
+                if (infos[i].equals(info)) {
+                    return getDevice(infos[i]);
+                }
             }
         }
-
         throw new IllegalArgumentException("Mixer " + info.toString() + " not supported by this provider.");
     }
 
 
-    private Mixer getDevice(DirectAudioDeviceInfo info) {
+    private static Mixer getDevice(DirectAudioDeviceInfo info) {
         int index = info.getIndex();
         if (devices[index] == null) {
             devices[index] = new DirectAudioDevice(info);
@@ -139,12 +141,12 @@ public class DirectAudioDeviceProvider extends MixerProvider {
      * making native references to a particular device.
      * This constructor is called from native.
      */
-    static class DirectAudioDeviceInfo extends Mixer.Info {
-        private int index;
-        private int maxSimulLines;
+    static final class DirectAudioDeviceInfo extends Mixer.Info {
+        private final int index;
+        private final int maxSimulLines;
 
         // For ALSA, the deviceID contains the encoded card index, device index, and sub-device-index
-        private int deviceID;
+        private final int deviceID;
 
         private DirectAudioDeviceInfo(int index, int deviceID, int maxSimulLines,
                                       String name, String vendor,

src/share/classes/com/sun/media/sound/EmergencySoundbank.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -35,7 +35,7 @@ import javax.sound.sampled.AudioFormat;
  *
  * @author Karl Helgason
  */
-public class EmergencySoundbank {
+public final class EmergencySoundbank {
 
     private final static String[] general_midi_instruments = {
         "Acoustic Grand Piano",

src/share/classes/com/sun/media/sound/EventDispatcher.java

 /*
- * Copyright (c) 1998, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,19 +25,15 @@
 
 package com.sun.media.sound;
 
-import java.util.EventObject;
 import java.util.ArrayList;
 import java.util.List;
 
-import javax.sound.sampled.Clip;
-import javax.sound.sampled.Line;
-import javax.sound.sampled.LineEvent;
-import javax.sound.sampled.LineListener;
-
+import javax.sound.midi.ControllerEventListener;
+import javax.sound.midi.MetaEventListener;
 import javax.sound.midi.MetaMessage;
 import javax.sound.midi.ShortMessage;
-import javax.sound.midi.MetaEventListener;
-import javax.sound.midi.ControllerEventListener;
+import javax.sound.sampled.LineEvent;
+import javax.sound.sampled.LineListener;
 
 
 
@@ -49,7 +45,7 @@ import javax.sound.midi.ControllerEventListener;
  * @author Kara Kytle
  * @author Florian Bomers
  */
-class EventDispatcher implements Runnable {
+final class EventDispatcher implements Runnable {
 
     /**
      * time of inactivity until the auto closing clips
@@ -61,7 +57,7 @@ class EventDispatcher implements Runnable {
     /**
      * List of events
      */
-    private ArrayList eventQueue = new ArrayList();
+    private final ArrayList eventQueue = new ArrayList();
 
 
     /**
@@ -73,12 +69,12 @@ class EventDispatcher implements Runnable {
     /*
      * support for auto-closing Clips
      */
-    private ArrayList<ClipInfo> autoClosingClips = new ArrayList<ClipInfo>();
+    private final ArrayList<ClipInfo> autoClosingClips = new ArrayList<ClipInfo>();
 
     /*
      * support for monitoring data lines
      */
-    private ArrayList<LineMonitor> lineMonitors = new ArrayList<LineMonitor>();
+    private final ArrayList<LineMonitor> lineMonitors = new ArrayList<LineMonitor>();
 
     /**
      * Approximate interval between calls to LineMonitor.checkLine
@@ -105,7 +101,7 @@ class EventDispatcher implements Runnable {
      * Invoked when there is at least one event in the queue.
      * Implement this as a callback to process one event.
      */
-    protected void processEvent(EventInfo eventInfo) {
+    void processEvent(EventInfo eventInfo) {
         int count = eventInfo.getListenerCount();
 
         // process an LineEvent
@@ -166,7 +162,7 @@ class EventDispatcher implements Runnable {
      * exclusive access over the code where an event is removed from the
      *queue.
      */
-    protected void dispatchEvents() {
+    void dispatchEvents() {
 
         EventInfo eventInfo = null;
 
@@ -388,8 +384,8 @@ class EventDispatcher implements Runnable {
      */
     private class EventInfo {
 
-        private Object event;
-        private Object[] listeners;
+        private final Object event;
+        private final Object[] listeners;
 
         /**
          * Create a new instance of this event Info class
@@ -421,8 +417,8 @@ class EventDispatcher implements Runnable {
      */
     private class ClipInfo {
 
-        private AutoClosingClip clip;
-        private long expiration;
+        private final AutoClosingClip clip;
+        private final long expiration;
 
         /**
          * Create a new instance of this clip Info class

src/share/classes/com/sun/media/sound/FFT.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -31,11 +31,11 @@ package com.sun.media.sound;
  */
 public final class FFT {
 
-    private double[] w;
-    private int fftFrameSize;
-    private int sign;
-    private int[] bitm_array;
-    private int fftFrameSize2;
+    private final double[] w;
+    private final int fftFrameSize;
+    private final int sign;
+    private final int[] bitm_array;
+    private final int fftFrameSize2;
 
     // Sign = -1 is FFT, 1 is IFFT (inverse FFT)
     // Data = Interlaced double array to be transformed.

src/share/classes/com/sun/media/sound/FastShortMessage.java

 /*
- * Copyright (c) 2002, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -35,13 +35,13 @@ import javax.sound.midi.*;
 final class FastShortMessage extends ShortMessage {
     private int packedMsg;
 
-    public FastShortMessage(int packedMsg) throws InvalidMidiDataException {
+    FastShortMessage(int packedMsg) throws InvalidMidiDataException {
         this.packedMsg = packedMsg;
         getDataLength(packedMsg & 0xFF); // to check for validity
     }
 
     /** Creates a FastShortMessage from this ShortMessage */
-    public FastShortMessage(ShortMessage msg) {
+    FastShortMessage(ShortMessage msg) {
         this.packedMsg = msg.getStatus()
             | (msg.getData1() << 8)
             | (msg.getData2() << 16);

src/share/classes/com/sun/media/sound/JARSoundbankReader.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -36,14 +36,16 @@ import javax.sound.midi.InvalidMidiDataException;
 import javax.sound.midi.Soundbank;
 import javax.sound.midi.spi.SoundbankReader;
 
+import sun.reflect.misc.ReflectUtil;
+
 /**
- * JarSoundbankReader is used to read sounbank object from jar files.
+ * JarSoundbankReader is used to read soundbank object from jar files.
  *
  * @author Karl Helgason
  */
-public class JARSoundbankReader extends SoundbankReader {
+public final class JARSoundbankReader extends SoundbankReader {
 
-    public boolean isZIP(URL url) {
+    private static boolean isZIP(URL url) {
         boolean ok = false;
         try {
             InputStream stream = url.openStream();
@@ -81,14 +83,14 @@ public class JARSoundbankReader extends SoundbankReader {
             while (line != null) {
                 if (!line.startsWith("#")) {
                     try {
-                        Class c = Class.forName(line.trim(), true, ucl);
-                        Object o = c.newInstance();
-                        if (o instanceof Soundbank) {
+                        Class<?> c = Class.forName(line.trim(), false, ucl);
+                        if (Soundbank.class.isAssignableFrom(c)) {
+                            Object o = ReflectUtil.newInstance(c);
                             soundbanks.add((Soundbank) o);
                         }
-                    } catch (ClassNotFoundException  e) {
-                    } catch (InstantiationException  e) {
-                    } catch (IllegalAccessException  e) {
+                    } catch (ClassNotFoundException ignored) {
+                    } catch (InstantiationException ignored) {
+                    } catch (IllegalAccessException ignored) {
                     }
                 }
                 line = r.readLine();

src/share/classes/com/sun/media/sound/JDK13Services.java

 /*
- * Copyright (c) 1999, 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -31,16 +31,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.Properties;
 
-import javax.sound.sampled.spi.AudioFileReader;
-import javax.sound.sampled.spi.AudioFileWriter;
-import javax.sound.sampled.spi.FormatConversionProvider;
-import javax.sound.sampled.spi.MixerProvider;
-
-import javax.sound.midi.spi.MidiFileReader;
-import javax.sound.midi.spi.MidiFileWriter;
-import javax.sound.midi.spi.SoundbankReader;
-import javax.sound.midi.spi.MidiDeviceProvider;
-
 import javax.sound.midi.Receiver;
 import javax.sound.midi.Sequencer;
 import javax.sound.midi.Synthesizer;
@@ -62,7 +52,7 @@ import javax.sound.sampled.TargetDataLine;
  *
  * @author Matthias Pfisterer
  */
-public class JDK13Services {
+public final class JDK13Services {
 
     /** The default for the length of the period to hold the cache.
         This value is given in milliseconds. It is equivalent to
@@ -80,7 +70,7 @@ public class JDK13Services {
         Class objects of the provider type (MixerProvider, MidiDeviceProvider
         ...) are used as keys. The values are instances of ProviderCache.
     */
-    private static Map providersCacheMap = new HashMap();
+    private static final Map providersCacheMap = new HashMap();
 
 
     /** The length of the period to hold the cache.

src/share/classes/com/sun/media/sound/JSSecurityManager.java

 /*
- * Copyright (c) 1999, 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -47,7 +47,7 @@ import javax.sound.sampled.AudioPermission;
  *
  * @author Matthias Pfisterer
  */
-class JSSecurityManager {
+final class JSSecurityManager {
 
     /** Prevent instantiation.
      */
@@ -73,30 +73,6 @@ class JSSecurityManager {
         }
     }
 
-
-    static void loadLibrary(final String libName) {
-        try {
-            if (hasSecurityManager()) {
-                if(Printer.debug) Printer.debug("using security manager to load library");
-                PrivilegedAction<Void> action = new PrivilegedAction<Void>() {
-                        public Void run() {
-                            System.loadLibrary(libName);
-                            return null;
-                        }
-                    };
-                AccessController.doPrivileged(action);
-            } else {
-                if(Printer.debug) Printer.debug("not using security manager to load library");
-                System.loadLibrary(libName);
-            }
-            if (Printer.debug) Printer.debug("loaded library " + libName);
-        } catch (UnsatisfiedLinkError e2) {
-            if (Printer.err)Printer.err("UnsatisfiedLinkError loading native library " + libName);
-            throw(e2);
-        }
-    }
-
-
     static String getProperty(final String propertyName) {
         String propertyValue;
         if (hasSecurityManager()) {
@@ -189,83 +165,13 @@ class JSSecurityManager {
         if(Printer.trace)Printer.trace("<< JSSecurityManager: loadPropertiesImpl() completed");
     }
 
-
-    private static ThreadGroup getTopmostThreadGroup() {
-        ThreadGroup topmostThreadGroup;
-        if(hasSecurityManager()) {
-            try {
-                // invoke the privileged action using 1.2 security
-                PrivilegedAction<ThreadGroup> action = new PrivilegedAction<ThreadGroup>() {
-                        public ThreadGroup run() {
-                            try {
-                                return getTopmostThreadGroupImpl();
-                            } catch (Throwable t) {
-                                return null;
-                            }
-                        }
-                    };
-                topmostThreadGroup = AccessController.doPrivileged(action);
-                if(Printer.debug)Printer.debug("Got topmost thread group with JDK 1.2 security");
-            } catch (Exception e) {
-                if(Printer.debug)Printer.debug("Exception getting topmost thread group with JDK 1.2 security");
-                // try without using JDK 1.2 security
-                topmostThreadGroup = getTopmostThreadGroupImpl();
-            }
-        } else {
-            // not JDK 1.2 security, assume we already have permission
-            topmostThreadGroup = getTopmostThreadGroupImpl();
-        }
-        return topmostThreadGroup;
-    }
-
-
-    private static ThreadGroup getTopmostThreadGroupImpl() {
-        if(Printer.trace)Printer.trace(">> JSSecurityManager: getTopmostThreadGroupImpl()");
-        ThreadGroup g = Thread.currentThread().getThreadGroup();
-        while ((g.getParent() != null) && (g.getParent().getParent() != null)) {
-            g = g.getParent();
-        }
-        if(Printer.trace)Printer.trace("<< JSSecurityManager: getTopmostThreadGroupImpl() completed");
-        return g;
-    }
-
-
-    /** Create a Thread in the topmost ThreadGroup.
+    /** Create a Thread in the current ThreadGroup.
      */
     static Thread createThread(final Runnable runnable,
                                final String threadName,
                                final boolean isDaemon, final int priority,
                                final boolean doStart) {
-        Thread thread = null;
-        if(hasSecurityManager()) {
-            PrivilegedAction<Thread> action = new PrivilegedAction<Thread>() {
-                    public Thread run() {
-                        try {
-                            return createThreadImpl(runnable, threadName,
-                                                    isDaemon, priority,
-                                                    doStart);
-                        } catch (Throwable t) {
-                            return null;
-                        }
-                    }
-                };
-            thread = AccessController.doPrivileged(action);
-            if(Printer.debug) Printer.debug("created thread with JDK 1.2 security");
-        } else {
-            if(Printer.debug)Printer.debug("not using JDK 1.2 security");
-            thread = createThreadImpl(runnable, threadName, isDaemon, priority,
-                                      doStart);
-        }
-        return thread;
-    }
-
-
-    private static Thread createThreadImpl(Runnable runnable,
-                                           String threadName,
-                                           boolean isDaemon, int priority,
-                                           boolean doStart) {
-        ThreadGroup threadGroup = getTopmostThreadGroupImpl();
-        Thread thread = new Thread(threadGroup, runnable);
+        Thread thread = new Thread(runnable);
         if (threadName != null) {
             thread.setName(threadName);
         }
@@ -279,7 +185,6 @@ class JSSecurityManager {
         return thread;
     }
 
-
     static <T> List<T> getProviders(final Class<T> providerClass) {
         List<T> p = new ArrayList<>();
         // ServiceLoader creates "lazy" iterator instance, so it doesn't,

src/share/classes/com/sun/media/sound/JavaSoundAudioClip.java

 /*
- * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -28,25 +28,19 @@ package com.sun.media.sound;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.BufferedInputStream;
-import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.applet.AudioClip;
-import java.lang.InterruptedException;
 
 import javax.sound.sampled.AudioSystem;
-import javax.sound.sampled.Mixer;
 import javax.sound.sampled.Clip;
-import javax.sound.sampled.Control;
 import javax.sound.sampled.AudioInputStream;
 import javax.sound.sampled.AudioFormat;
 import javax.sound.sampled.DataLine;
 import javax.sound.sampled.SourceDataLine;
 import javax.sound.sampled.LineEvent;
 import javax.sound.sampled.LineListener;
-import javax.sound.sampled.LineUnavailableException;
 import javax.sound.sampled.UnsupportedAudioFileException;
 
-
 import javax.sound.midi.MidiSystem;
 import javax.sound.midi.MidiFileFormat;
 import javax.sound.midi.MetaMessage;
@@ -63,7 +57,7 @@ import javax.sound.midi.MetaEventListener;
  * @author Florian Bomers
  */
 
-public class JavaSoundAudioClip implements AudioClip, MetaEventListener, LineListener {
+public final class JavaSoundAudioClip implements AudioClip, MetaEventListener, LineListener {
 
     private static final boolean DEBUG = false;
     private static final int BUFFER_SIZE = 16384; // number of bytes written each time to the source data line
@@ -476,7 +470,7 @@ public class JavaSoundAudioClip implements AudioClip, MetaEventListener, LineLis
      * which allows retrieval of the internal array
      */
     private static class DirectBAOS extends ByteArrayOutputStream {
-        public DirectBAOS() {
+        DirectBAOS() {
             super();
         }
 

src/share/classes/com/sun/media/sound/MidiDeviceReceiverEnvelope.java

 /*
- * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -33,7 +33,7 @@ import javax.sound.midi.*;
  *
  * @author Alex Menkov
  */
-public class MidiDeviceReceiverEnvelope implements MidiDeviceReceiver {
+public final class MidiDeviceReceiverEnvelope implements MidiDeviceReceiver {
 
     private final MidiDevice device;
     private final Receiver receiver;

src/share/classes/com/sun/media/sound/MidiDeviceTransmitterEnvelope.java

 /*
- * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -33,7 +33,7 @@ import javax.sound.midi.*;
  *
  * @author Alex Menkov
  */
-public class MidiDeviceTransmitterEnvelope implements MidiDeviceTransmitter {
+public final class MidiDeviceTransmitterEnvelope implements MidiDeviceTransmitter {
 
     private final MidiDevice device;
     private final Transmitter transmitter;

src/share/classes/com/sun/media/sound/MidiInDevice.java

 /*
- * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,9 +25,6 @@
 
 package com.sun.media.sound;
 
-import java.util.ArrayList;
-import java.util.List;
-
 import javax.sound.midi.*;
 
 
@@ -39,7 +36,7 @@ import javax.sound.midi.*;
  * @author Kara Kytle
  * @author Florian Bomers
  */
-class MidiInDevice extends AbstractMidiDevice implements Runnable {
+final class MidiInDevice extends AbstractMidiDevice implements Runnable {
 
     private Thread midiInThread = null;
 
@@ -127,7 +124,7 @@ class MidiInDevice extends AbstractMidiDevice implements Runnable {
       * An own class to distinguish the class name from
       * the transmitter of other devices
       */
-    private class MidiInTransmitter extends BasicTransmitter {
+    private final class MidiInTransmitter extends BasicTransmitter {
         private MidiInTransmitter() {
             super();
         }

src/share/classes/com/sun/media/sound/MidiInDeviceProvider.java

 /*
- * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -26,7 +26,6 @@
 package com.sun.media.sound;
 
 import javax.sound.midi.MidiDevice;
-import javax.sound.midi.spi.MidiDeviceProvider;
 
 
 /**
@@ -35,15 +34,15 @@ import javax.sound.midi.spi.MidiDeviceProvider;
  * @author Kara Kytle
  * @author Florian Bomers
  */
-public class MidiInDeviceProvider extends AbstractMidiDeviceProvider {
+public final class MidiInDeviceProvider extends AbstractMidiDeviceProvider {
 
     /** Cache of info objects for all MIDI output devices on the system. */
-    static Info[] infos = null;
+    private static Info[] infos = null;
 
     /** Cache of open MIDI input devices on the system. */
-    static MidiDevice[] devices = null;
+    private static MidiDevice[] devices = null;
 
-    private static boolean enabled;
+    private static final boolean enabled;
 
     // STATIC
 
@@ -106,8 +105,8 @@ public class MidiInDeviceProvider extends AbstractMidiDeviceProvider {
      * previous instance may still exist and be open / in use / etc.,
      * the new instance will not reflect that state...
      */
-    static class MidiInDeviceInfo extends AbstractMidiDeviceProvider.Info {
-        private Class providerClass;
+    static final class MidiInDeviceInfo extends AbstractMidiDeviceProvider.Info {
+        private final Class providerClass;
 
         private MidiInDeviceInfo(int index, Class providerClass) {
             super(nGetName(index), nGetVendor(index), nGetDescription(index), nGetVersion(index), index);

src/share/classes/com/sun/media/sound/MidiOutDevice.java

 /*
- * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -36,7 +36,7 @@ import javax.sound.midi.*;
  * @author Kara Kytle
  * @author Florian Bomers
  */
-class MidiOutDevice extends AbstractMidiDevice {
+final class MidiOutDevice extends AbstractMidiDevice {
 
     // CONSTRUCTOR
 
@@ -101,7 +101,7 @@ class MidiOutDevice extends AbstractMidiDevice {
 
     // INNER CLASSES
 
-    class MidiOutReceiver extends AbstractReceiver {
+    final class MidiOutReceiver extends AbstractReceiver {
 
         void implSend(final MidiMessage message, final long timeStamp) {
             final int length = message.getLength();

src/share/classes/com/sun/media/sound/MidiOutDeviceProvider.java

 /*
- * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -26,7 +26,6 @@
 package com.sun.media.sound;
 
 import javax.sound.midi.MidiDevice;
-import javax.sound.midi.spi.MidiDeviceProvider;
 
 
 /**
@@ -35,15 +34,15 @@ import javax.sound.midi.spi.MidiDeviceProvider;
  * @author Kara Kytle
  * @author Florian Bomers
  */
-public class MidiOutDeviceProvider extends AbstractMidiDeviceProvider {
+public final class MidiOutDeviceProvider extends AbstractMidiDeviceProvider {
 
     /** Cache of info objects for all MIDI output devices on the system. */
-    static Info[] infos = null;
+    private static Info[] infos = null;
 
     /** Cache of open MIDI output devices on the system. */
-    static MidiDevice[] devices = null;
+    private static MidiDevice[] devices = null;
 
-    private static boolean enabled;
+    private final static boolean enabled;
 
     // STATIC
 
@@ -104,8 +103,8 @@ public class MidiOutDeviceProvider extends AbstractMidiDeviceProvider {
      * previous instance may still exist and be open / in use / etc.,
      * the new instance will not reflect that state...
      */
-    static class MidiOutDeviceInfo extends AbstractMidiDeviceProvider.Info {
-        private Class providerClass;
+    static final class MidiOutDeviceInfo extends AbstractMidiDeviceProvider.Info {
+        private final Class providerClass;
 
         private MidiOutDeviceInfo(int index, Class providerClass) {
             super(nGetName(index), nGetVendor(index), nGetDescription(index), nGetVersion(index), index);

src/share/classes/com/sun/media/sound/MidiUtils.java

 /*
- * Copyright (c) 2003, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -36,12 +36,17 @@ import java.util.ArrayList;
  *
  * @author Florian Bomers
  */
-public class MidiUtils {
+public final class MidiUtils {
 
     public final static int DEFAULT_TEMPO_MPQ = 500000; // 120bpm
     public final static int META_END_OF_TRACK_TYPE = 0x2F;
     public final static int META_TEMPO_TYPE = 0x51;
 
+    /**
+     * Suppresses default constructor, ensuring non-instantiability.
+     */
+    private MidiUtils() {
+    }
 
     /** return true if the passed message is Meta End Of Track */
     public static boolean isMetaEndOfTrack(MidiMessage midiMsg) {
@@ -262,7 +267,7 @@ public class MidiUtils {
     }
 
 
-    public static class TempoCache {
+    public static final class TempoCache {
         long[] ticks;
         int[] tempos; // in MPQ
         // index in ticks/tempos at the snapshot

src/share/classes/com/sun/media/sound/ModelByteBuffer.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -38,7 +38,7 @@ import java.util.Collection;
  *
  * @author Karl Helgason
  */
-public class ModelByteBuffer {
+public final class ModelByteBuffer {
 
     private ModelByteBuffer root = this;
     private File file;
@@ -49,12 +49,12 @@ public class ModelByteBuffer {
 
     private class RandomFileInputStream extends InputStream {
 
-        private RandomAccessFile raf;
+        private final RandomAccessFile raf;
         private long left;
         private long mark = 0;
         private long markleft = 0;
 
-        public RandomFileInputStream() throws IOException {
+        RandomFileInputStream() throws IOException {
             raf = new RandomAccessFile(root.file, "r");
             raf.seek(root.fileoffset + arrayOffset());
             left = capacity();

src/share/classes/com/sun/media/sound/ModelByteBufferWavetable.java

 /*
- * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -36,18 +36,18 @@ import javax.sound.sampled.AudioFormat.Encoding;
  *
  * @author Karl Helgason
  */
-public class ModelByteBufferWavetable implements ModelWavetable {
+public final class ModelByteBufferWavetable implements ModelWavetable {
 
     private class Buffer8PlusInputStream extends InputStream {
 
-        private boolean bigendian;
-        private int framesize_pc;
+        private final boolean bigendian;
+        private final int framesize_pc;
         int pos = 0;
         int pos2 = 0;
         int markpos = 0;
         int markpos2 = 0;
 
-        public Buffer8PlusInputStream() {
+        Buffer8PlusInputStream() {
             framesize_pc = format.getFrameSize() / format.getChannels();
             bigendian = format.isBigEndian();
         }
@@ -127,7 +127,7 @@ public class ModelByteBufferWavetable implements ModelWavetable {
 
     private float loopStart = -1;
     private float loopLength = -1;
-    private ModelByteBuffer buffer;
+    private final ModelByteBuffer buffer;
     private ModelByteBuffer buffer8 = null;
     private AudioFormat format = null;
     private float pitchcorrection = 0;

src/share/classes/com/sun/media/sound/ModelConnectionBlock.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -34,7 +34,7 @@ import java.util.Arrays;
  *
  * @author Karl Helgason
  */
-public class ModelConnectionBlock {
+public final class ModelConnectionBlock {
 
     //
     //   source1 * source2 * scale -> destination

src/share/classes/com/sun/media/sound/ModelDestination.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,7 +30,7 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class ModelDestination {
+public final class ModelDestination {
 
     public static final ModelIdentifier DESTINATION_NONE = null;
     public static final ModelIdentifier DESTINATION_KEYNUMBER

src/share/classes/com/sun/media/sound/ModelIdentifier.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,7 +30,7 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class ModelIdentifier {
+public final class ModelIdentifier {
 
     /*
      *  Object    Variable

src/share/classes/com/sun/media/sound/ModelInstrument.java

 /*
- * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -69,7 +69,7 @@ public abstract class ModelInstrument extends Instrument {
     }
 
     // Get General MIDI 2 Alias patch for this instrument.
-    public Patch getPatchAlias() {
+    public final Patch getPatchAlias() {
         Patch patch = getPatch();
         int program = patch.getProgram();
         int bank = patch.getBank();
@@ -87,7 +87,7 @@ public abstract class ModelInstrument extends Instrument {
     // Return name of all the keys.
     // This information is generated from ModelPerformer.getName()
     // returned from getPerformers().
-    public String[] getKeys() {
+    public final String[] getKeys() {
         String[] keys = new String[128];
         for (ModelPerformer performer : getPerformers()) {
             for (int k = performer.getKeyFrom(); k <= performer.getKeyTo(); k++) {
@@ -104,7 +104,7 @@ public abstract class ModelInstrument extends Instrument {
 
     // Return what channels this instrument will probably response
     // on General MIDI synthesizer.
-    public boolean[] getChannels() {
+    public final boolean[] getChannels() {
         boolean percussion = false;
         if (getPatch() instanceof ModelPatch)
             percussion = ((ModelPatch)getPatch()).isPercussion();

src/share/classes/com/sun/media/sound/ModelInstrumentComparator.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -34,7 +34,7 @@ import javax.sound.midi.Patch;
  *
  * @author Karl Helgason
  */
-public class ModelInstrumentComparator implements Comparator<Instrument> {
+public final class ModelInstrumentComparator implements Comparator<Instrument> {
 
     public int compare(Instrument arg0, Instrument arg1) {
         Patch p0 = arg0.getPatch();

src/share/classes/com/sun/media/sound/ModelMappedInstrument.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -33,9 +33,9 @@ import javax.sound.sampled.AudioFormat;
  *
  * @author Karl Helgason
  */
-public class ModelMappedInstrument extends ModelInstrument {
+public final class ModelMappedInstrument extends ModelInstrument {
 
-    private ModelInstrument ins;
+    private final ModelInstrument ins;
 
     public ModelMappedInstrument(ModelInstrument ins, Patch patch) {
         super(ins.getSoundbank(), patch, ins.getName(), ins.getDataClass());

src/share/classes/com/sun/media/sound/ModelPatch.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -33,7 +33,7 @@ import javax.sound.midi.Patch;
  *
  * @author Karl Helgason
  */
-public class ModelPatch extends Patch {
+public final class ModelPatch extends Patch {
 
     private boolean percussion = false;
 

src/share/classes/com/sun/media/sound/ModelPerformer.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -33,9 +33,9 @@ import java.util.List;
  *
  * @author Karl Helgason
  */
-public class ModelPerformer {
+public final class ModelPerformer {
 
-    private List<ModelOscillator> oscillators = new ArrayList<ModelOscillator>();
+    private final List<ModelOscillator> oscillators = new ArrayList<ModelOscillator>();
     private List<ModelConnectionBlock> connectionBlocks
             = new ArrayList<ModelConnectionBlock>();
     private int keyFrom = 0;

src/share/classes/com/sun/media/sound/ModelSource.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,7 +30,7 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class ModelSource {
+public final class ModelSource {
 
     public static final ModelIdentifier SOURCE_NONE = null;
     public static final ModelIdentifier SOURCE_NOTEON_KEYNUMBER =

src/share/classes/com/sun/media/sound/ModelStandardDirector.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,7 +30,7 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class ModelStandardDirector implements ModelDirector {
+public final class ModelStandardDirector implements ModelDirector {
 
     ModelPerformer[] performers;
     ModelDirectedPlayer player;

src/share/classes/com/sun/media/sound/ModelStandardIndexedDirector.java

 /*
- * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,7 +30,7 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class ModelStandardIndexedDirector implements ModelDirector {
+public final class ModelStandardIndexedDirector implements ModelDirector {
 
     ModelPerformer[] performers;
     ModelDirectedPlayer player;

src/share/classes/com/sun/media/sound/ModelStandardTransform.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -36,7 +36,7 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class ModelStandardTransform implements ModelTransform {
+public final class ModelStandardTransform implements ModelTransform {
 
     public static final boolean DIRECTION_MIN2MAX = false;
     public static final boolean DIRECTION_MAX2MIN = true;

src/share/classes/com/sun/media/sound/PCMtoPCMCodec.java

 /*
- * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,14 +25,12 @@
 
 package com.sun.media.sound;
 
-import java.io.InputStream;
 import java.io.IOException;
-
 import java.util.Vector;
 
 import javax.sound.sampled.AudioFormat;
-import javax.sound.sampled.AudioSystem;
 import javax.sound.sampled.AudioInputStream;
+import javax.sound.sampled.AudioSystem;
 
 
 /**
@@ -40,7 +38,7 @@ import javax.sound.sampled.AudioInputStream;
  *
  * @author Jan Borgersen
  */
-public class PCMtoPCMCodec extends SunCodec {
+public final class PCMtoPCMCodec extends SunCodec {
 
 
     private static final AudioFormat.Encoding[] inputEncodings = {
@@ -356,7 +354,7 @@ public class PCMtoPCMCodec extends SunCodec {
         private final int PCM_UNSIGNED_BE2SIGNED_LE             = 7;
         private final int PCM_SIGNED_BE2UNSIGNED_LE             = 8;
 
-        private int sampleSizeInBytes = 0;
+        private final int sampleSizeInBytes;
         private int conversionType = 0;
 
 

src/share/classes/com/sun/media/sound/Platform.java

 /*
- * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,6 +25,8 @@
 
 package com.sun.media.sound;
 
+import java.security.AccessController;
+import java.security.PrivilegedAction;
 import java.util.StringTokenizer;
 
 
@@ -35,7 +37,7 @@ import java.util.StringTokenizer;
  * @author Kara Kytle
  * @author Florian Bomers
  */
-class Platform {
+final class Platform {
 
 
     // STATIC FINAL CHARACTERISTICS
@@ -157,7 +159,13 @@ class Platform {
 
         try {
             // load the main library
-            JSSecurityManager.loadLibrary(libNameMain);
+            AccessController.doPrivileged(new PrivilegedAction<Void>() {
+                @Override
+                public Void run() {
+                    System.loadLibrary(libNameMain);
+                    return null;
+                }
+            });
             // just for the heck of it...
             loadedLibs |= LIB_MAIN;
         } catch (SecurityException e) {
@@ -171,9 +179,16 @@ class Platform {
         // the string is the libraries, separated by white space
         StringTokenizer st = new StringTokenizer(extraLibs);
         while (st.hasMoreTokens()) {
-            String lib = st.nextToken();
+            final String lib = st.nextToken();
             try {
-                JSSecurityManager.loadLibrary(lib);
+                AccessController.doPrivileged(new PrivilegedAction<Void>() {
+                    @Override
+                    public Void run() {
+                        System.loadLibrary(lib);
+                        return null;
+                    }
+                });
+
                 if (lib.equals(libNameALSA)) {
                     loadedLibs |= LIB_ALSA;
                     if (Printer.debug) Printer.debug("Loaded ALSA lib successfully.");

src/share/classes/com/sun/media/sound/PortMixer.java

 /*
- * Copyright (c) 2002, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -41,7 +41,7 @@ import javax.sound.sampled.FloatControl;
  *
  * @author Florian Bomers
  */
-class PortMixer extends AbstractMixer {
+final class PortMixer extends AbstractMixer {
 
     // CONSTANTS
     private static final int SRC_UNKNOWN      = 0x01;
@@ -228,8 +228,10 @@ class PortMixer extends AbstractMixer {
     /**
      * Private inner class representing a Port for the PortMixer.
      */
-    private static class PortMixerPort extends AbstractLine implements Port {
-        private int portIndex;
+    private static final class PortMixerPort extends AbstractLine
+            implements Port {
+
+        private final int portIndex;
         private long id;
 
         // CONSTRUCTOR
@@ -342,9 +344,9 @@ class PortMixer extends AbstractMixer {
     /**
      * Private inner class representing a BooleanControl for PortMixerPort
      */
-    private static class BoolCtrl extends BooleanControl {
+    private static final class BoolCtrl extends BooleanControl {
         // the handle to the native control function
-        private long controlID;
+        private final long controlID;
         private boolean closed = false;
 
         private static BooleanControl.Type createType(String name) {
@@ -386,7 +388,7 @@ class PortMixer extends AbstractMixer {
         /**
          * inner class for custom types
          */
-        private static class BCT extends BooleanControl.Type {
+        private static final class BCT extends BooleanControl.Type {
             private BCT(String name) {
                 super(name);
             }
@@ -396,7 +398,7 @@ class PortMixer extends AbstractMixer {
     /**
      * Private inner class representing a CompoundControl for PortMixerPort
      */
-    private static class CompCtrl extends CompoundControl {
+    private static final class CompCtrl extends CompoundControl {
         private CompCtrl(String name, Control[] controls) {
             super(new CCT(name), controls);
         }
@@ -404,7 +406,7 @@ class PortMixer extends AbstractMixer {
         /**
          * inner class for custom compound control types
          */
-        private static class CCT extends CompoundControl.Type {
+        private static final class CCT extends CompoundControl.Type {
             private CCT(String name) {
                 super(name);
             }
@@ -414,9 +416,9 @@ class PortMixer extends AbstractMixer {
     /**
      * Private inner class representing a BooleanControl for PortMixerPort
      */
-    private static class FloatCtrl extends FloatControl {
+    private static final class FloatCtrl extends FloatControl {
         // the handle to the native control function
-        private long controlID;
+        private final long controlID;
         private boolean closed = false;
 
         // predefined float control types. See also Ports.h
@@ -462,7 +464,7 @@ class PortMixer extends AbstractMixer {
         /**
          * inner class for custom types
          */
-        private static class FCT extends FloatControl.Type {
+        private static final class FCT extends FloatControl.Type {
             private FCT(String name) {
                 super(name);
             }
@@ -472,7 +474,7 @@ class PortMixer extends AbstractMixer {
     /**
      * Private inner class representing a port info
      */
-    private static class PortInfo extends Port.Info {
+    private static final class PortInfo extends Port.Info {
         private PortInfo(String name, boolean isSource) {
             super(Port.class, name, isSource);
         }

src/share/classes/com/sun/media/sound/PortMixerProvider.java

 /*
- * Copyright (c) 2002, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,8 +25,6 @@
 
 package com.sun.media.sound;
 
-import java.util.Vector;
-
 import javax.sound.sampled.Mixer;
 import javax.sound.sampled.spi.MixerProvider;
 
@@ -36,7 +34,7 @@ import javax.sound.sampled.spi.MixerProvider;
  *
  * @author Florian Bomers
  */
-public class PortMixerProvider extends MixerProvider {
+public final class PortMixerProvider extends MixerProvider {
 
     // STATIC VARIABLES
 
@@ -66,16 +64,17 @@ public class PortMixerProvider extends MixerProvider {
      * Required public no-arg constructor.
      */
     public PortMixerProvider() {
-        //if (Printer.trace) Printer.trace("PortMixerProvider: constructor");
-        if (Platform.isPortsEnabled()) {
-            init();
-        } else {
-            infos = new PortMixerInfo[0];
-            devices = new PortMixer[0];
+        synchronized (PortMixerProvider.class) {
+            if (Platform.isPortsEnabled()) {
+                init();
+            } else {
+                infos = new PortMixerInfo[0];
+                devices = new PortMixer[0];
+            }
         }
     }
 
-    private static synchronized void init() {
+    private static void init() {
         // get the number of input devices
         int numDevices = nGetNumDevices();
 
@@ -95,23 +94,28 @@ public class PortMixerProvider extends MixerProvider {
     }
 
     public Mixer.Info[] getMixerInfo() {
-        Mixer.Info[] localArray = new Mixer.Info[infos.length];
-        System.arraycopy(infos, 0, localArray, 0, infos.length);
-        return localArray;
+        synchronized (PortMixerProvider.class) {
+            Mixer.Info[] localArray = new Mixer.Info[infos.length];
+            System.arraycopy(infos, 0, localArray, 0, infos.length);
+            return localArray;
+        }
     }
 
 
     public Mixer getMixer(Mixer.Info info) {
-        for (int i = 0; i < infos.length; i++) {
-            if (infos[i].equals(info)) {
-                return getDevice(infos[i]);
+        synchronized (PortMixerProvider.class) {
+            for (int i = 0; i < infos.length; i++) {
+                if (infos[i].equals(info)) {
+                    return getDevice(infos[i]);
+                }
             }
         }
-        throw new IllegalArgumentException("Mixer " + info.toString() + " not supported by this provider.");
+        throw new IllegalArgumentException("Mixer " + info.toString()
+                                           + " not supported by this provider.");
     }
 
 
-    private Mixer getDevice(PortMixerInfo info) {
+    private static Mixer getDevice(PortMixerInfo info) {
         int index = info.getIndex();
         if (devices[index] == null) {
             devices[index] = new PortMixer(info);
@@ -127,8 +131,8 @@ public class PortMixerProvider extends MixerProvider {
      * making native references to a particular device.
      * This constructor is called from native.
      */
-    static class PortMixerInfo extends Mixer.Info {
-        private int index;
+    static final class PortMixerInfo extends Mixer.Info {
+        private final int index;
 
         private PortMixerInfo(int index, String name, String vendor, String description, String version) {
             super("Port " + name, vendor, description, version);

src/share/classes/com/sun/media/sound/Printer.java

 /*
- * Copyright (c) 1998, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -32,7 +32,7 @@ package com.sun.media.sound;
  * @author David Rivas
  * @author Kara Kytle
  */
-class Printer {
+final class Printer {
 
     static final boolean err = false;
     static final boolean debug = false;
@@ -68,6 +68,12 @@ class Printer {
       release = on;
       }*/
 
+    /**
+     * Suppresses default constructor, ensuring non-instantiability.
+     */
+    private Printer() {
+    }
+
     public static void err(String str) {
 
         if (err)

src/share/classes/com/sun/media/sound/RIFFInvalidDataException.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,7 +29,7 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class RIFFInvalidDataException extends InvalidDataException {
+public final class RIFFInvalidDataException extends InvalidDataException {
 
     private static final long serialVersionUID = 1L;
 

src/share/classes/com/sun/media/sound/RIFFInvalidFormatException.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,7 +30,7 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class RIFFInvalidFormatException extends InvalidFormatException {
+public final class RIFFInvalidFormatException extends InvalidFormatException {
 
     private static final long serialVersionUID = 1L;
 

src/share/classes/com/sun/media/sound/RIFFReader.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -33,11 +33,11 @@ import java.io.InputStream;
  *
  * @author Karl Helgason
  */
-public class RIFFReader extends InputStream {
+public final class RIFFReader extends InputStream {
 
-    private RIFFReader root;
+    private final RIFFReader root;
     private long filepointer = 0;
-    private String fourcc;
+    private final String fourcc;
     private String riff_type = null;
     private long ckSize = 0;
     private InputStream stream;

src/share/classes/com/sun/media/sound/RIFFWriter.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -35,7 +35,7 @@ import java.io.RandomAccessFile;
  *
  * @author Karl Helgason
  */
-public class RIFFWriter extends OutputStream {
+public final class RIFFWriter extends OutputStream {
 
     private interface RandomAccessWriter {
 
@@ -60,11 +60,11 @@ public class RIFFWriter extends OutputStream {
 
         RandomAccessFile raf;
 
-        public RandomAccessFileWriter(File file) throws FileNotFoundException {
+        RandomAccessFileWriter(File file) throws FileNotFoundException {
             this.raf = new RandomAccessFile(file, "rw");
         }
 
-        public RandomAccessFileWriter(String name) throws FileNotFoundException {
+        RandomAccessFileWriter(String name) throws FileNotFoundException {
             this.raf = new RandomAccessFile(name, "rw");
         }
 
@@ -107,9 +107,9 @@ public class RIFFWriter extends OutputStream {
         int length = 0;
         int pos = 0;
         byte[] s;
-        OutputStream stream;
+        final OutputStream stream;
 
-        public RandomAccessByteWriter(OutputStream stream) {
+        RandomAccessByteWriter(OutputStream stream) {
             this.stream = stream;
         }
 
@@ -163,8 +163,8 @@ public class RIFFWriter extends OutputStream {
     }
     private int chunktype = 0; // 0=RIFF, 1=LIST; 2=CHUNK
     private RandomAccessWriter raf;
-    private long chunksizepointer;
-    private long startpointer;
+    private final long chunksizepointer;
+    private final long startpointer;
     private RIFFWriter childchunk = null;
     private boolean open = true;
     private boolean writeoverride = false;

src/share/classes/com/sun/media/sound/RealTimeSequencer.java

 /*
- * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,14 +25,13 @@
 
 package com.sun.media.sound;
 
-import java.io.ByteArrayOutputStream;
-import java.io.ByteArrayInputStream;
-import java.io.DataOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
+import java.util.WeakHashMap;
 
 import javax.sound.midi.*;
 
@@ -46,7 +45,8 @@ import javax.sound.midi.*;
 /* TODO:
  * - rename PlayThread to PlayEngine (because isn't a thread)
  */
-class RealTimeSequencer extends AbstractMidiDevice implements Sequencer, AutoConnectSequencer {
+final class RealTimeSequencer extends AbstractMidiDevice
+        implements Sequencer, AutoConnectSequencer {
 
     // STATIC VARIABLES
 
@@ -58,7 +58,8 @@ class RealTimeSequencer extends AbstractMidiDevice implements Sequencer, AutoCon
      * Event Dispatcher thread. Should be using a shared event
      * dispatcher instance with a factory in EventDispatcher
      */
-    private static final EventDispatcher eventDispatcher;
+    private static final Map<ThreadGroup, EventDispatcher> dispatchers =
+            new WeakHashMap<>();
 
     /**
      * All RealTimeSequencers share this info object.
@@ -66,11 +67,11 @@ class RealTimeSequencer extends AbstractMidiDevice implements Sequencer, AutoCon
     static final RealTimeSequencerInfo info = new RealTimeSequencerInfo();
 
 
-    private static Sequencer.SyncMode[] masterSyncModes = { Sequencer.SyncMode.INTERNAL_CLOCK };
-    private static Sequencer.SyncMode[] slaveSyncModes  = { Sequencer.SyncMode.NO_SYNC };
+    private static final Sequencer.SyncMode[] masterSyncModes = { Sequencer.SyncMode.INTERNAL_CLOCK };
+    private static final Sequencer.SyncMode[] slaveSyncModes  = { Sequencer.SyncMode.NO_SYNC };
 
-    private static Sequencer.SyncMode masterSyncMode    = Sequencer.SyncMode.INTERNAL_CLOCK;
-    private static Sequencer.SyncMode slaveSyncMode     = Sequencer.SyncMode.NO_SYNC;
+    private static final Sequencer.SyncMode masterSyncMode    = Sequencer.SyncMode.INTERNAL_CLOCK;
+    private static final Sequencer.SyncMode slaveSyncMode     = Sequencer.SyncMode.NO_SYNC;
 
 
     /**
@@ -100,7 +101,7 @@ class RealTimeSequencer extends AbstractMidiDevice implements Sequencer, AutoCon
     private boolean[] trackSolo = null;
 
     /** tempo cache for getMicrosecondPosition */
-    private MidiUtils.TempoCache tempoCache = new MidiUtils.TempoCache();
+    private final MidiUtils.TempoCache tempoCache = new MidiUtils.TempoCache();
 
     /**
      * True if the sequence is running.
@@ -121,7 +122,7 @@ class RealTimeSequencer extends AbstractMidiDevice implements Sequencer, AutoCon
     /**
      * List of tracks to which we're recording
      */
-    private List recordingTracks = new ArrayList();
+    private final List recordingTracks = new ArrayList();
 
 
     private long loopStart = 0;
@@ -132,13 +133,13 @@ class RealTimeSequencer extends AbstractMidiDevice implements Sequencer, AutoCon
     /**
      * Meta event listeners
      */
-    private ArrayList metaEventListeners = new ArrayList();
+    private final ArrayList metaEventListeners = new ArrayList();
 
 
     /**
      * Control change listeners
      */
-    private ArrayList controllerEventListeners = new ArrayList();
+    private final ArrayList controllerEventListeners = new ArrayList();
 
 
     /** automatic connection support */
@@ -151,16 +152,9 @@ class RealTimeSequencer extends AbstractMidiDevice implements Sequencer, AutoCon
     Receiver autoConnectedReceiver = null;
 
 
-    static {
-        // create and start the global event thread
-        eventDispatcher = new EventDispatcher();
-        eventDispatcher.start();
-    }
-
-
     /* ****************************** CONSTRUCTOR ****************************** */
 
-    protected RealTimeSequencer() throws MidiUnavailableException {
+    RealTimeSequencer() throws MidiUnavailableException {
         super(info);
 
         if (Printer.trace) Printer.trace(">> RealTimeSequencer CONSTRUCTOR");
@@ -574,7 +568,7 @@ class RealTimeSequencer extends AbstractMidiDevice implements Sequencer, AutoCon
         return returnedModes;
     }
 
-    protected int getTrackCount() {
+    int getTrackCount() {
         Sequence seq = getSequence();
         if (seq != null) {
             // $$fb wish there was a nicer way to get the number of tracks...
@@ -872,7 +866,7 @@ class RealTimeSequencer extends AbstractMidiDevice implements Sequencer, AutoCon
         if (Printer.trace) Printer.trace("<< RealTimeSequencer: implClose() completed");
     }
 
-    protected void implStart() {
+    void implStart() {
         if (Printer.trace) Printer.trace(">> RealTimeSequencer: implStart()");
 
         if (playThread == null) {
@@ -889,7 +883,7 @@ class RealTimeSequencer extends AbstractMidiDevice implements Sequencer, AutoCon
     }
 
 
-    protected void implStop() {
+    void implStop() {
         if (Printer.trace) Printer.trace(">> RealTimeSequencer: implStop()");
 
         if (playThread == null) {
@@ -905,22 +899,36 @@ class RealTimeSequencer extends AbstractMidiDevice implements Sequencer, AutoCon
         if (Printer.trace) Printer.trace("<< RealTimeSequencer: implStop() completed");
     }
 
+    private static EventDispatcher getEventDispatcher() {
+        // create and start the global event thread
+        //TODO  need a way to stop this thread when the engine is done
+        final ThreadGroup tg = Thread.currentThread().getThreadGroup();
+        synchronized (dispatchers) {
+            EventDispatcher eventDispatcher = dispatchers.get(tg);
+            if (eventDispatcher == null) {
+                eventDispatcher = new EventDispatcher();
+                dispatchers.put(tg, eventDispatcher);
+                eventDispatcher.start();
+            }
+            return eventDispatcher;
+        }
+    }
 
     /**
      * Send midi player events.
      * must not be synchronized on "this"
      */
-    protected void sendMetaEvents(MidiMessage message) {
+    void sendMetaEvents(MidiMessage message) {
         if (metaEventListeners.size() == 0) return;
 
         //if (Printer.debug) Printer.debug("sending a meta event");
-        eventDispatcher.sendAudioEvents(message, metaEventListeners);
+        getEventDispatcher().sendAudioEvents(message, metaEventListeners);
     }
 
     /**
      * Send midi player events.
      */
-    protected void sendControllerEvents(MidiMessage message) {
+    void sendControllerEvents(MidiMessage message) {
         int size = controllerEventListeners.size();
         if (size == 0) return;
 
@@ -942,7 +950,7 @@ class RealTimeSequencer extends AbstractMidiDevice implements Sequencer, AutoCon
                 }
             }
         }
-        eventDispatcher.sendAudioEvents(message, sendToListeners);
+        getEventDispatcher().sendAudioEvents(message, sendToListeners);
     }
 
 
@@ -1024,7 +1032,7 @@ class RealTimeSequencer extends AbstractMidiDevice implements Sequencer, AutoCon
     }
 
 
-    class SequencerReceiver extends AbstractReceiver {
+    final class SequencerReceiver extends AbstractReceiver {
 
         void implSend(MidiMessage message, long timeStamp) {
             if (recording) {
@@ -1092,7 +1100,7 @@ class RealTimeSequencer extends AbstractMidiDevice implements Sequencer, AutoCon
         //       easier to deal with than turning all the
         //       ints into objects to use a Vector
         int []  controllers;
-        ControllerEventListener listener;
+        final ControllerEventListener listener;
 
         private ControllerListElement(ControllerEventListener listener, int[] controllers) {
 
@@ -1197,7 +1205,7 @@ class RealTimeSequencer extends AbstractMidiDevice implements Sequencer, AutoCon
 
     static class RecordingTrack {
 
-        private Track track;
+        private final Track track;
         private int channel;
 
         RecordingTrack(Track track, int channel) {
@@ -1237,15 +1245,15 @@ class RealTimeSequencer extends AbstractMidiDevice implements Sequencer, AutoCon
     }
 
 
-    class PlayThread implements Runnable {
+    final class PlayThread implements Runnable {
         private Thread thread;
-        private Object lock = new Object();
+        private final Object lock = new Object();
 
         /** true if playback is interrupted (in close) */
         boolean interrupted = false;
         boolean isPumping = false;
 
-        private DataPump dataPump = new DataPump();
+        private final DataPump dataPump = new DataPump();
 
 
         PlayThread() {

src/share/classes/com/sun/media/sound/RealTimeSequencerProvider.java

 /*
- * Copyright (c) 2003, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -34,7 +34,7 @@ import javax.sound.midi.spi.MidiDeviceProvider;
  *
  * @author Florian Bomers
  */
-public class RealTimeSequencerProvider extends MidiDeviceProvider {
+public final class RealTimeSequencerProvider extends MidiDeviceProvider {
 
 
     public MidiDevice.Info[] getDeviceInfo() {

src/share/classes/com/sun/media/sound/SF2GlobalRegion.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,5 +29,5 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class SF2GlobalRegion extends SF2Region {
+public final class SF2GlobalRegion extends SF2Region {
 }

src/share/classes/com/sun/media/sound/SF2Instrument.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -36,16 +36,16 @@ import javax.sound.midi.Patch;
  *
  * @author Karl Helgason
  */
-public class SF2Instrument extends ModelInstrument {
-
-    protected String name = "";
-    protected int preset = 0;
-    protected int bank = 0;
-    protected long library = 0;
-    protected long genre = 0;
-    protected long morphology = 0;
-    protected SF2GlobalRegion globalregion = null;
-    protected List<SF2InstrumentRegion> regions
+public final class SF2Instrument extends ModelInstrument {
+
+    String name = "";
+    int preset = 0;
+    int bank = 0;
+    long library = 0;
+    long genre = 0;
+    long morphology = 0;
+    SF2GlobalRegion globalregion = null;
+    List<SF2InstrumentRegion> regions
             = new ArrayList<SF2InstrumentRegion>();
 
     public SF2Instrument() {
@@ -730,7 +730,7 @@ public class SF2Instrument extends ModelInstrument {
         return msrc;
     }
 
-    protected static ModelDestination convertDestination(int dst,
+    static ModelDestination convertDestination(int dst,
             double[] amountcorrection, ModelSource[] extrasrc) {
         ModelIdentifier id = null;
         switch (dst) {

src/share/classes/com/sun/media/sound/SF2InstrumentRegion.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,9 +29,9 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class SF2InstrumentRegion extends SF2Region {
+public final class SF2InstrumentRegion extends SF2Region {
 
-    protected SF2Layer layer;
+    SF2Layer layer;
 
     public SF2Layer getLayer() {
         return layer;

src/share/classes/com/sun/media/sound/SF2Layer.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -34,11 +34,11 @@ import javax.sound.midi.SoundbankResource;
  *
  * @author Karl Helgason
  */
-public class SF2Layer extends SoundbankResource {
+public final class SF2Layer extends SoundbankResource {
 
-    protected String name = "";
-    protected SF2GlobalRegion globalregion = null;
-    protected List<SF2LayerRegion> regions = new ArrayList<SF2LayerRegion>();
+    String name = "";
+    SF2GlobalRegion globalregion = null;
+    List<SF2LayerRegion> regions = new ArrayList<SF2LayerRegion>();
 
     public SF2Layer(SF2Soundbank soundBank) {
         super(soundBank, null, null);

src/share/classes/com/sun/media/sound/SF2LayerRegion.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,9 +29,9 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class SF2LayerRegion extends SF2Region {
+public final class SF2LayerRegion extends SF2Region {
 
-    protected SF2Sample sample;
+    SF2Sample sample;
 
     public SF2Sample getSample() {
         return sample;

src/share/classes/com/sun/media/sound/SF2Modulator.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,7 +29,7 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class SF2Modulator {
+public final class SF2Modulator {
 
     public final static int SOURCE_NONE = 0;
     public final static int SOURCE_NOTE_ON_VELOCITY = 2;
@@ -49,11 +49,11 @@ public class SF2Modulator {
     public final static int SOURCE_TYPE_SWITCH = 1024 * 3;
     public final static int TRANSFORM_LINEAR = 0;
     public final static int TRANSFORM_ABSOLUTE = 2;
-    protected int sourceOperator;
-    protected int destinationOperator;
-    protected short amount;
-    protected int amountSourceOperator;
-    protected int transportOperator;
+    int sourceOperator;
+    int destinationOperator;
+    short amount;
+    int amountSourceOperator;
+    int transportOperator;
 
     public short getAmount() {
         return amount;

src/share/classes/com/sun/media/sound/SF2Sample.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -36,18 +36,18 @@ import javax.sound.sampled.AudioInputStream;
  *
  * @author Karl Helgason
  */
-public class SF2Sample extends SoundbankResource {
-
-    protected String name = "";
-    protected long startLoop = 0;
-    protected long endLoop = 0;
-    protected long sampleRate = 44100;
-    protected int originalPitch = 60;
-    protected byte pitchCorrection = 0;
-    protected int sampleLink = 0;
-    protected int sampleType = 0;
-    protected ModelByteBuffer data;
-    protected ModelByteBuffer data24;
+public final class SF2Sample extends SoundbankResource {
+
+    String name = "";
+    long startLoop = 0;
+    long endLoop = 0;
+    long sampleRate = 44100;
+    int originalPitch = 60;
+    byte pitchCorrection = 0;
+    int sampleLink = 0;
+    int sampleType = 0;
+    ModelByteBuffer data;
+    ModelByteBuffer data24;
 
     public SF2Sample(Soundbank soundBank) {
         super(soundBank, null, AudioInputStream.class);

src/share/classes/com/sun/media/sound/SF2Soundbank.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -50,40 +50,40 @@ import javax.sound.midi.SoundbankResource;
  *
  * @author Karl Helgason
  */
-public class SF2Soundbank implements Soundbank {
+public final class SF2Soundbank implements Soundbank {
 
     // version of the Sound Font RIFF file
-    protected int major = 2;
-    protected int minor = 1;
+    int major = 2;
+    int minor = 1;
     // target Sound Engine
-    protected String targetEngine = "EMU8000";
+    String targetEngine = "EMU8000";
     // Sound Font Bank Name
-    protected String name = "untitled";
+    String name = "untitled";
     // Sound ROM Name
-    protected String romName = null;
+    String romName = null;
     // Sound ROM Version
-    protected int romVersionMajor = -1;
-    protected int romVersionMinor = -1;
+    int romVersionMajor = -1;
+    int romVersionMinor = -1;
     // Date of Creation of the Bank
-    protected String creationDate = null;
+    String creationDate = null;
     // Sound Designers and Engineers for the Bank
-    protected String engineers = null;
+    String engineers = null;
     // Product for which the Bank was intended
-    protected String product = null;
+    String product = null;
     // Copyright message
-    protected String copyright = null;
+    String copyright = null;
     // Comments
-    protected String comments = null;
+    String comments = null;
     // The SoundFont tools used to create and alter the bank
-    protected String tools = null;
+    String tools = null;
     // The Sample Data loaded from the SoundFont
     private ModelByteBuffer sampleData = null;
     private ModelByteBuffer sampleData24 = null;
     private File sampleFile = null;
     private boolean largeFormat = false;
-    private List<SF2Instrument> instruments = new ArrayList<SF2Instrument>();
-    private List<SF2Layer> layers = new ArrayList<SF2Layer>();
-    private List<SF2Sample> samples = new ArrayList<SF2Sample>();
+    private final List<SF2Instrument> instruments = new ArrayList<SF2Instrument>();
+    private final List<SF2Layer> layers = new ArrayList<SF2Layer>();
+    private final List<SF2Sample> samples = new ArrayList<SF2Sample>();
 
     public SF2Soundbank() {
     }

src/share/classes/com/sun/media/sound/SF2SoundbankReader.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -38,7 +38,7 @@ import javax.sound.midi.spi.SoundbankReader;
  *
  * @author Karl Helgason
  */
-public class SF2SoundbankReader extends SoundbankReader {
+public final class SF2SoundbankReader extends SoundbankReader {
 
     public Soundbank getSoundbank(URL url)
             throws InvalidMidiDataException, IOException {

src/share/classes/com/sun/media/sound/SoftAbstractResampler.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -67,7 +67,7 @@ public abstract class SoftAbstractResampler implements SoftResampler {
         float samplerateconv = 1;
         float pitchcorrection = 0;
 
-        public ModelAbstractResamplerStream() {
+        ModelAbstractResamplerStream() {
             pad = getPadding();
             pad2 = getPadding() * 2;
             ibuffer = new float[2][sector_size + pad2];
@@ -384,7 +384,7 @@ public abstract class SoftAbstractResampler implements SoftResampler {
             float in_end, float[] pitch, float pitchstep, float[] out,
             int[] out_offset, int out_end);
 
-    public SoftResamplerStreamer openStreamer() {
+    public final SoftResamplerStreamer openStreamer() {
         return new ModelAbstractResamplerStream();
     }
 }

src/share/classes/com/sun/media/sound/SoftAudioBuffer.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -33,7 +33,7 @@ import javax.sound.sampled.AudioFormat;
  *
  * @author Karl Helgason
  */
-public class SoftAudioBuffer {
+public final class SoftAudioBuffer {
 
     private int size;
     private float[] buffer;

src/share/classes/com/sun/media/sound/SoftAudioPusher.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -34,13 +34,13 @@ import javax.sound.sampled.SourceDataLine;
  *
  * @author Karl Helgason
  */
-public class SoftAudioPusher implements Runnable {
+public final class SoftAudioPusher implements Runnable {
 
     private volatile boolean active = false;
     private SourceDataLine sourceDataLine = null;
     private Thread audiothread;
-    private AudioInputStream ais;
-    private byte[] buffer;
+    private final AudioInputStream ais;
+    private final byte[] buffer;
 
     public SoftAudioPusher(SourceDataLine sourceDataLine, AudioInputStream ais,
             int workbuffersizer) {

src/share/classes/com/sun/media/sound/SoftChannel.java

 /*
- * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -39,7 +39,7 @@ import javax.sound.midi.Patch;
  *
  * @author Karl Helgason
  */
-public class SoftChannel implements MidiChannel, ModelDirectedPlayer {
+public final class SoftChannel implements MidiChannel, ModelDirectedPlayer {
 
     private static boolean[] dontResetControls = new boolean[128];
     static {
@@ -90,15 +90,15 @@ public class SoftChannel implements MidiChannel, ModelDirectedPlayer {
     private static final int RPN_NULL_VALUE = (127 << 7) + 127;
     private int rpn_control = RPN_NULL_VALUE;
     private int nrpn_control = RPN_NULL_VALUE;
-    protected double portamento_time = 1; // keyschanges per control buffer time
-    protected int[] portamento_lastnote = new int[128];
-    protected int portamento_lastnote_ix = 0;
+    double portamento_time = 1; // keyschanges per control buffer time
+    int[] portamento_lastnote = new int[128];
+    int portamento_lastnote_ix = 0;
     private boolean portamento = false;
     private boolean mono = false;
     private boolean mute = false;
     private boolean solo = false;
     private boolean solomute = false;
-    private Object control_mutex;
+    private final Object control_mutex;
     private int channel;
     private SoftVoice[] voices;
     private int bank;
@@ -111,21 +111,21 @@ public class SoftChannel implements MidiChannel, ModelDirectedPlayer {
     private int pitchbend;
     private double[] co_midi_pitch = new double[1];
     private double[] co_midi_channel_pressure = new double[1];
-    protected SoftTuning tuning = new SoftTuning();
-    protected int tuning_bank = 0;
-    protected int tuning_program = 0;
-    protected SoftInstrument current_instrument = null;
-    protected ModelChannelMixer current_mixer = null;
-    protected ModelDirector current_director = null;
+    SoftTuning tuning = new SoftTuning();
+    int tuning_bank = 0;
+    int tuning_program = 0;
+    SoftInstrument current_instrument = null;
+    ModelChannelMixer current_mixer = null;
+    ModelDirector current_director = null;
 
     // Controller Destination Settings
-    protected int cds_control_number = -1;
-    protected ModelConnectionBlock[] cds_control_connections = null;
-    protected ModelConnectionBlock[] cds_channelpressure_connections = null;
-    protected ModelConnectionBlock[] cds_polypressure_connections = null;
-    protected boolean sustain = false;
-    protected boolean[][] keybasedcontroller_active = null;
-    protected double[][] keybasedcontroller_value = null;
+    int cds_control_number = -1;
+    ModelConnectionBlock[] cds_control_connections = null;
+    ModelConnectionBlock[] cds_channelpressure_connections = null;
+    ModelConnectionBlock[] cds_polypressure_connections = null;
+    boolean sustain = false;
+    boolean[][] keybasedcontroller_active = null;
+    double[][] keybasedcontroller_value = null;
 
     private class MidiControlObject implements SoftControl {
         double[] pitch = co_midi_pitch;
@@ -336,7 +336,7 @@ public class SoftChannel implements MidiChannel, ModelDirectedPlayer {
 
     }
 
-    protected void initVoice(SoftVoice voice, SoftPerformer p, int voiceID,
+    void initVoice(SoftVoice voice, SoftPerformer p, int voiceID,
             int noteNumber, int velocity, int delay, ModelConnectionBlock[] connectionBlocks,
             ModelChannelMixer channelmixer, boolean releaseTriggered) {
         if (voice.active) {
@@ -414,7 +414,7 @@ public class SoftChannel implements MidiChannel, ModelDirectedPlayer {
     /* A special noteOn with delay parameter, which is used to
      * start note within control buffers.
      */
-    protected void noteOn(int noteNumber, int velocity, int delay) {
+    void noteOn(int noteNumber, int velocity, int delay) {
         noteNumber = restrict7Bit(noteNumber);
         velocity = restrict7Bit(velocity);
         noteOn_internal(noteNumber, velocity, delay);
@@ -707,7 +707,7 @@ public class SoftChannel implements MidiChannel, ModelDirectedPlayer {
         }
     }
 
-    protected void applyInstrumentCustomization() {
+    void applyInstrumentCustomization() {
         if (cds_control_connections == null
                 && cds_channelpressure_connections == null
                 && cds_polypressure_connections == null) {

src/share/classes/com/sun/media/sound/SoftChannelProxy.java

 /*
- * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -32,7 +32,7 @@ import javax.sound.midi.MidiChannel;
  *
  * @author Karl Helgason
  */
-public class SoftChannelProxy implements MidiChannel {
+public final class SoftChannelProxy implements MidiChannel {
 
     private MidiChannel channel = null;
 

src/share/classes/com/sun/media/sound/SoftChorus.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -32,11 +32,11 @@ import java.util.Arrays;
  *
  * @author Karl Helgason
  */
-public class SoftChorus implements SoftAudioProcessor {
+public final class SoftChorus implements SoftAudioProcessor {
 
     private static class VariableDelay {
 
-        private float[] delaybuffer;
+        private final float[] delaybuffer;
         private int rovepos = 0;
         private float gain = 1;
         private float rgain = 0;
@@ -44,7 +44,7 @@ public class SoftChorus implements SoftAudioProcessor {
         private float lastdelay = 0;
         private float feedback = 0;
 
-        public VariableDelay(int maxbuffersize) {
+        VariableDelay(int maxbuffersize) {
             delaybuffer = new float[maxbuffersize];
         }
 
@@ -119,10 +119,10 @@ public class SoftChorus implements SoftAudioProcessor {
         private double phase_step = 0;
         private double depth = 0;
         private VariableDelay vdelay;
-        private double samplerate;
-        private double controlrate;
+        private final double samplerate;
+        private final double controlrate;
 
-        public LFODelay(double samplerate, double controlrate) {
+        LFODelay(double samplerate, double controlrate) {
             this.samplerate = samplerate;
             this.controlrate = controlrate;
             // vdelay = new VariableDelay((int)(samplerate*4));

src/share/classes/com/sun/media/sound/SoftCubicResampler.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,7 +29,7 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class SoftCubicResampler extends SoftAbstractResampler {
+public final class SoftCubicResampler extends SoftAbstractResampler {
 
     public int getPadding() {
         return 3;

src/share/classes/com/sun/media/sound/SoftEnvelopeGenerator.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,7 +29,7 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class SoftEnvelopeGenerator implements SoftProcess {
+public final class SoftEnvelopeGenerator implements SoftProcess {
 
     public final static int EG_OFF = 0;
     public final static int EG_DELAY = 1;
@@ -42,23 +42,23 @@ public class SoftEnvelopeGenerator implements SoftProcess {
     public final static int EG_END = 8;
     int max_count = 10;
     int used_count = 0;
-    private int[] stage = new int[max_count];
-    private int[] stage_ix = new int[max_count];
-    private double[] stage_v = new double[max_count];
-    private int[] stage_count = new int[max_count];
-    private double[][] on = new double[max_count][1];
-    private double[][] active = new double[max_count][1];
-    private double[][] out = new double[max_count][1];
-    private double[][] delay = new double[max_count][1];
-    private double[][] attack = new double[max_count][1];
-    private double[][] hold = new double[max_count][1];
-    private double[][] decay = new double[max_count][1];
-    private double[][] sustain = new double[max_count][1];
-    private double[][] release = new double[max_count][1];
-    private double[][] shutdown = new double[max_count][1];
-    private double[][] release2 = new double[max_count][1];
-    private double[][] attack2 = new double[max_count][1];
-    private double[][] decay2 = new double[max_count][1];
+    private final int[] stage = new int[max_count];
+    private final int[] stage_ix = new int[max_count];
+    private final double[] stage_v = new double[max_count];
+    private final int[] stage_count = new int[max_count];
+    private final double[][] on = new double[max_count][1];
+    private final double[][] active = new double[max_count][1];
+    private final double[][] out = new double[max_count][1];
+    private final double[][] delay = new double[max_count][1];
+    private final double[][] attack = new double[max_count][1];
+    private final double[][] hold = new double[max_count][1];
+    private final double[][] decay = new double[max_count][1];
+    private final double[][] sustain = new double[max_count][1];
+    private final double[][] release = new double[max_count][1];
+    private final double[][] shutdown = new double[max_count][1];
+    private final double[][] release2 = new double[max_count][1];
+    private final double[][] attack2 = new double[max_count][1];
+    private final double[][] decay2 = new double[max_count][1];
     private double control_time = 0;
 
     public void reset() {

src/share/classes/com/sun/media/sound/SoftFilter.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -33,7 +33,7 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class SoftFilter {
+public final class SoftFilter {
 
     public final static int FILTERTYPE_LP6 = 0x00;
     public final static int FILTERTYPE_LP12 = 0x01;
@@ -55,7 +55,7 @@ public class SoftFilter {
     // 0x30 = NP, Notch or Band Elimination Filter
     //
     private int filtertype = FILTERTYPE_LP6;
-    private float samplerate;
+    private final float samplerate;
     private float x1;
     private float x2;
     private float y1;

src/share/classes/com/sun/media/sound/SoftInstrument.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -32,12 +32,12 @@ import javax.sound.midi.MidiChannel;
  *
  * @author Karl Helgason
  */
-public class SoftInstrument extends Instrument {
+public final class SoftInstrument extends Instrument {
 
     private SoftPerformer[] performers;
     private ModelPerformer[] modelperformers;
-    private Object data;
-    private ModelInstrument ins;
+    private final Object data;
+    private final ModelInstrument ins;
 
     public SoftInstrument(ModelInstrument ins) {
         super(ins.getSoundbank(), ins.getPatch(), ins.getName(),

src/share/classes/com/sun/media/sound/SoftJitterCorrector.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -36,7 +36,7 @@ import javax.sound.sampled.AudioInputStream;
  *
  * @author Karl Helgason
  */
-public class SoftJitterCorrector extends AudioInputStream {
+public final class SoftJitterCorrector extends AudioInputStream {
 
     private static class JitterStream extends InputStream {
 
@@ -48,7 +48,7 @@ public class SoftJitterCorrector extends AudioInputStream {
         int writepos = 0;
         int readpos = 0;
         byte[][] buffers;
-        Object buffers_mutex = new Object();
+        private final Object buffers_mutex = new Object();
 
         // Adapative Drift Statistics
         int w_count = 1000;
@@ -112,7 +112,7 @@ public class SoftJitterCorrector extends AudioInputStream {
             }
         }
 
-        public JitterStream(AudioInputStream s, int buffersize,
+        JitterStream(AudioInputStream s, int buffersize,
                 int smallbuffersize) {
             this.w_count = 10 * (buffersize / smallbuffersize);
             if (w_count < 100)

src/share/classes/com/sun/media/sound/SoftLanczosResampler.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,7 +29,7 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class SoftLanczosResampler extends SoftAbstractResampler {
+public final class SoftLanczosResampler extends SoftAbstractResampler {
 
     float[][] sinc_table;
     int sinc_table_fsize = 2000;

src/share/classes/com/sun/media/sound/SoftLimiter.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,7 +30,7 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class SoftLimiter implements SoftAudioProcessor {
+public final class SoftLimiter implements SoftAudioProcessor {
 
     float lastmax = 0;
     float gain = 1;

src/share/classes/com/sun/media/sound/SoftLinearResampler.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,7 +29,7 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class SoftLinearResampler extends SoftAbstractResampler {
+public final class SoftLinearResampler extends SoftAbstractResampler {
 
     public int getPadding() {
         return 2;

src/share/classes/com/sun/media/sound/SoftLinearResampler2.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -31,7 +31,7 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class SoftLinearResampler2 extends SoftAbstractResampler {
+public final class SoftLinearResampler2 extends SoftAbstractResampler {
 
     public int getPadding() {
         return 2;

src/share/classes/com/sun/media/sound/SoftLowFrequencyOscillator.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,21 +29,21 @@ package com.sun.media.sound;
  *
  * @author Karl Helgason
  */
-public class SoftLowFrequencyOscillator implements SoftProcess {
+public final class SoftLowFrequencyOscillator implements SoftProcess {
 
-    private int max_count = 10;
+    private final int max_count = 10;
     private int used_count = 0;
-    private double[][] out = new double[max_count][1];
-    private double[][] delay = new double[max_count][1];
-    private double[][] delay2 = new double[max_count][1];
-    private double[][] freq = new double[max_count][1];
-    private int[] delay_counter = new int[max_count];
-    private double[] sin_phase = new double[max_count];
-    private double[] sin_stepfreq = new double[max_count];
-    private double[] sin_step = new double[max_count];
+    private final double[][] out = new double[max_count][1];
+    private final double[][] delay = new double[max_count][1];
+    private final double[][] delay2 = new double[max_count][1];
+    private final double[][] freq = new double[max_count][1];
+    private final int[] delay_counter = new int[max_count];
+    private final double[] sin_phase = new double[max_count];
+    private final double[] sin_stepfreq = new double[max_count];
+    private final double[] sin_step = new double[max_count];
     private double control_time = 0;
     private double sin_factor = 0;
-    private static double PI2 = 2.0 * Math.PI;
+    private static final double PI2 = 2.0 * Math.PI;
 
     public SoftLowFrequencyOscillator() {
         // If sin_step is 0 then sin_stepfreq must be -INF

src/share/classes/com/sun/media/sound/SoftMainMixer.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -43,7 +43,7 @@ import javax.sound.sampled.AudioSystem;
  *
  * @author Karl Helgason
  */
-public class SoftMainMixer {
+public final class SoftMainMixer {
 
     // A private class thats contains a ModelChannelMixer and it's private buffers.
     // This becomes necessary when we want to have separate delay buffers for each channel mixer.
@@ -67,13 +67,13 @@ public class SoftMainMixer {
     public final static int CHANNEL_RIGHT_DRY = 11;
     public final static int CHANNEL_SCRATCH1 = 12;
     public final static int CHANNEL_SCRATCH2 = 13;
-    protected boolean active_sensing_on = false;
+    boolean active_sensing_on = false;
     private long msec_last_activity = -1;
     private boolean pusher_silent = false;
     private int pusher_silent_count = 0;
     private long sample_pos = 0;
-    protected boolean readfully = true;
-    private Object control_mutex;
+    boolean readfully = true;
+    private final Object control_mutex;
     private SoftSynthesizer synth;
     private float samplerate = 44100;
     private int nrofchannels = 2;
@@ -84,7 +84,7 @@ public class SoftMainMixer {
     private SoftAudioProcessor agc;
     private long msec_buffer_len = 0;
     private int buffer_len = 0;
-    protected TreeMap<Long, Object> midimessages = new TreeMap<Long, Object>();
+    TreeMap<Long, Object> midimessages = new TreeMap<Long, Object>();
     private int delay_midievent = 0;
     private int max_delay_midievent = 0;
     double last_volume_left = 1.0;
@@ -97,7 +97,7 @@ public class SoftMainMixer {
     private Set<SoftChannelMixerContainer> registeredMixers = null;
     private Set<ModelChannelMixer> stoppedMixers = null;
     private SoftChannelMixerContainer[] cur_registeredMixers = null;
-    protected SoftControl co_master = new SoftControl() {
+    SoftControl co_master = new SoftControl() {
 
         double[] balance = co_master_balance;
         double[] volume = co_master_volume;
@@ -438,7 +438,7 @@ public class SoftMainMixer {
         delay_midievent = 0;
     }
 
-    protected void processAudioBuffers() {
+    void processAudioBuffers() {
 
         if(synth.weakstream != null && synth.weakstream.silent_samples != 0)
         {
@@ -859,16 +859,16 @@ public class SoftMainMixer {
 
         InputStream in = new InputStream() {
 
-            private SoftAudioBuffer[] buffers = SoftMainMixer.this.buffers;
-            private int nrofchannels
+            private final SoftAudioBuffer[] buffers = SoftMainMixer.this.buffers;
+            private final int nrofchannels
                     = SoftMainMixer.this.synth.getFormat().getChannels();
-            private int buffersize = buffers[0].getSize();
-            private byte[] bbuffer = new byte[buffersize
+            private final int buffersize = buffers[0].getSize();
+            private final byte[] bbuffer = new byte[buffersize
                     * (SoftMainMixer.this.synth.getFormat()
                         .getSampleSizeInBits() / 8)
                     * nrofchannels];
             private int bbuffer_pos = 0;
-            private byte[] single = new byte[1];
+            private final byte[] single = new byte[1];
 
             public void fillBuffer() {
                 /*

src/share/classes/com/sun/media/sound/SoftMidiAudioFileReader.java

 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -50,7 +50,7 @@ import javax.sound.sampled.spi.AudioFileReader;
  *
  * @author Karl Helgason
  */
-public class SoftMidiAudioFileReader extends AudioFileReader {
+public final class SoftMidiAudioFileReader extends AudioFileReader {
 
     public static final Type MIDI = new Type("MIDI", "mid");
     private static AudioFormat format = new AudioFormat(44100, 16, 2, true, false);

src/share/classes/com/sun/media/sound/SoftMixingClip.java

 /*
- * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -42,7 +42,7 @@ import javax.sound.sampled.LineUnavailableException;
  *
  * @author Karl Helgason
  */
-public class SoftMixingClip extends SoftMixingDataLine implements Clip {
+public final class SoftMixingClip extends SoftMixingDataLine implements Clip {
 
     private AudioFormat format;
 
@@ -50,7 +50,7 @@ public class SoftMixingClip extends SoftMixingDataLine implements Clip {
 
     private byte[] data;
 
-    private InputStream datastream = new InputStream() {
+    private final InputStream datastream = new InputStream() {
 
         public int read() throws IOException {
             byte[] b = new byte[1];
@@ -162,7 +162,7 @@ public class SoftMixingClip extends SoftMixingDataLine implements Clip {
 
     private AudioFloatInputStream afis;
 
-    protected SoftMixingClip(SoftMixingMixer mixer, DataLine.Info info) {
+    SoftMixingClip(SoftMixingMixer mixer, DataLine.Info info) {
         super(mixer, info);
     }
 

src/share/classes/com/sun/media/sound/SoftMixingDataLine.java

 /*
- * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -50,22 +50,22 @@ public abstract class SoftMixingDataLine implements DataLine {
             "Chorus Send") {
     };
 
-    protected static class AudioFloatInputStreamResampler extends
+    protected static final class AudioFloatInputStreamResampler extends
             AudioFloatInputStream {
 
-        private AudioFloatInputStream ais;
+        private final AudioFloatInputStream ais;
 
-        private AudioFormat targetFormat;
+        private final AudioFormat targetFormat;
 
         private float[] skipbuffer;
 
         private SoftAbstractResampler resampler;
 
-        private float[] pitch = new float[1];
+        private final float[] pitch = new float[1];
 
-        private float[] ibuffer2;
+        private final float[] ibuffer2;
 
-        private float[][] ibuffer;
+        private final float[][] ibuffer;
 
         private float ibuffer_index = 0;
 
@@ -75,15 +75,15 @@ public abstract class SoftMixingDataLine implements DataLine {
 
         private float[][] cbuffer;
 
-        private int buffer_len = 512;
+        private final int buffer_len = 512;
 
-        private int pad;
+        private final int pad;
 
-        private int pad2;
+        private final int pad2;
 
-        private float[] ix = new float[1];
+        private final float[] ix = new float[1];
 
-        private int[] ox = new int[1];
+        private final int[] ox = new int[1];
 
         private float[][] mark_ibuffer = null;
 
@@ -294,7 +294,7 @@ public abstract class SoftMixingDataLine implements DataLine {
 
     }
 
-    private class Gain extends FloatControl {
+    private final class Gain extends FloatControl {
 
         private Gain() {
 
@@ -308,7 +308,7 @@ public abstract class SoftMixingDataLine implements DataLine {
         }
     }
 
-    private class Mute extends BooleanControl {
+    private final class Mute extends BooleanControl {
 
         private Mute() {
             super(BooleanControl.Type.MUTE, false, "True", "False");
@@ -320,7 +320,7 @@ public abstract class SoftMixingDataLine implements DataLine {
         }
     }
 
-    private class ApplyReverb extends BooleanControl {
+    private final class ApplyReverb extends BooleanControl {
 
         private ApplyReverb() {
             super(BooleanControl.Type.APPLY_REVERB, false, "True", "False");
@@ -333,7 +333,7 @@ public abstract class SoftMixingDataLine implements DataLine {
 
     }
 
-    private class Balance extends FloatControl {
+    private final class Balance extends FloatControl {
 
         private Balance() {
             super(FloatControl.Type.BALANCE, -1.0f, 1.0f, (1.0f / 128.0f), -1,
@@ -347,7 +347,7 @@ public abstract class SoftMixingDataLine implements DataLine {
 
     }
 
-    private class Pan extends FloatControl {
+    private final class Pan extends FloatControl {
 
         private Pan() {
             super(FloatControl.Type.PAN, -1.0f, 1.0f, (1.0f / 128.0f), -1,
@@ -365,7 +365,7 @@ public abstract class SoftMixingDataLine implements DataLine {
 
     }
 
-    private class ReverbSend extends FloatControl {
+    private final class ReverbSend extends FloatControl {
 
         private ReverbSend() {
             super(FloatControl.Type.REVERB_SEND, -80f, 6.0206f, 80f / 128.0f,
@@ -379,7 +379,7 @@ public abstract class SoftMixingDataLine implements DataLine {
 
     }
 
-    private class ChorusSend extends FloatControl {
+    private final class ChorusSend extends FloatControl {
 
         private ChorusSend() {
             super(CHORUS_SEND, -80f, 6.0206f, 80f / 128.0f, -1, -80f, "dB",
@@ -393,43 +393,43 @@ public abstract class SoftMixingDataLine implements DataLine {
 
     }
 
-    private Gain gain_control = new Gain();
+    private final Gain gain_control = new Gain();
 
-    private Mute mute_control = new Mute();
+    private final Mute mute_control = new Mute();
 
-    private Balance balance_control = new Balance();
+    private final Balance balance_control = new Balance();
 
-    private Pan pan_control = new Pan();
+    private final Pan pan_control = new Pan();
 
-    private ReverbSend reverbsend_control = new ReverbSend();
+    private final ReverbSend reverbsend_control = new ReverbSend();
 
-    private ChorusSend chorussend_control = new ChorusSend();
+    private final ChorusSend chorussend_control = new ChorusSend();
 
-    private ApplyReverb apply_reverb = new ApplyReverb();
+    private final ApplyReverb apply_reverb = new ApplyReverb();
 
-    private Control[] controls;
+    private final Control[] controls;
 
-    protected float leftgain = 1;
+    float leftgain = 1;
 
-    protected float rightgain = 1;
+    float rightgain = 1;
 
-    protected float eff1gain = 0;
+    float eff1gain = 0;
 
-    protected float eff2gain = 0;
+    float eff2gain = 0;
 
-    protected List<LineListener> listeners = new ArrayList<LineListener>();
+    List<LineListener> listeners = new ArrayList<LineListener>();
 
-    protected Object control_mutex;
+    final Object control_mutex;
 
-    protected SoftMixingMixer mixer;
+    SoftMixingMixer mixer;
 
-    protected DataLine.Info info;
+    DataLine.Info info;
 
     protected abstract void processControlLogic();
 
     protected abstract void processAudioLogic(SoftAudioBuffer[] buffers);
 
-    protected SoftMixingDataLine(SoftMixingMixer mixer, DataLine.Info info) {
+    SoftMixingDataLine(SoftMixingMixer mixer, DataLine.Info info) {
         this.mixer = mixer;
         this.info = info;
         this.control_mutex = mixer.control_mutex;
@@ -440,7 +440,7 @@ public abstract class SoftMixingDataLine implements DataLine {
         calcVolume();
     }
 
-    protected void calcVolume() {
+    final void calcVolume() {
         synchronized (control_mutex) {
             double gain = Math.pow(10.0, gain_control.getValue() / 20.0);
             if (mute_control.getValue())
@@ -466,7 +466,7 @@ public abstract class SoftMixingDataLine implements DataLine {
         }
     }
 
-    protected void sendEvent(LineEvent event) {
+    final void sendEvent(LineEvent event) {
         if (listeners.size() == 0)
             return;
         LineListener[] listener_array = listeners
@@ -476,23 +476,23 @@ public abstract class SoftMixingDataLine implements DataLine {
         }
     }
 
-    public void addLineListener(LineListener listener) {
+    public final void addLineListener(LineListener listener) {
         synchronized (control_mutex) {
             listeners.add(listener);
         }
     }
 
-    public void removeLineListener(LineListener listener) {
+    public final void removeLineListener(LineListener listener) {
         synchronized (control_mutex) {
             listeners.add(listener);
         }
     }
 
-    public javax.sound.sampled.Line.Info getLineInfo() {
+    public final javax.sound.sampled.Line.Info getLineInfo() {
         return info;
     }
 
-    public Control getControl(Type control) {
+    public final Control getControl(Type control) {
         if (control != null) {
             for (int i = 0; i < controls.length; i++) {
                 if (controls[i].getType() == control) {
@@ -504,11 +504,11 @@ public abstract class SoftMixingDataLine implements DataLine {
                 + control);
     }
 
-    public Control[] getControls() {
+    public final Control[] getControls() {
         return Arrays.copyOf(controls, controls.length);
     }
 
-    public boolean isControlSupported(Type control) {
+    public final boolean isControlSupported(Type control) {
         if (control != null) {
             for (int i = 0; i < controls.length; i++) {
                 if (controls[i].getType() == control) {

src/share/classes/com/sun/media/sound/SoftMixingMainMixer.java

 /*
- * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -37,7 +37,7 @@ import javax.sound.sampled.AudioSystem;
  *
  * @author Karl Helgason
  */
-public class SoftMixingMainMixer {
+public final class SoftMixingMainMixer {
 
     public final static int CHANNEL_LEFT = 0;
 
@@ -63,23 +63,23 @@ public class SoftMixingMainMixer {
 
     public final static int CHANNEL_CHANNELMIXER_RIGHT = 15;
 
-    private SoftMixingMixer mixer;
+    private final SoftMixingMixer mixer;
 
-    private AudioInputStream ais;
+    private final AudioInputStream ais;
 
-    private SoftAudioBuffer[] buffers;
+    private final SoftAudioBuffer[] buffers;
 
-    private SoftAudioProcessor reverb;
+    private final SoftAudioProcessor reverb;
 
-    private SoftAudioProcessor chorus;
+    private final SoftAudioProcessor chorus;
 
-    private SoftAudioProcessor agc;
+    private final SoftAudioProcessor agc;
 
-    private int nrofchannels;
+    private final int nrofchannels;
 
-    private Object control_mutex;
+    private final Object control_mutex;
 
-    private List<SoftMixingDataLine> openLinesList = new ArrayList<SoftMixingDataLine>();
+    private final List<SoftMixingDataLine> openLinesList = new ArrayList<SoftMixingDataLine>();
 
     private SoftMixingDataLine[] openLines = new SoftMixingDataLine[0];
 
@@ -87,7 +87,7 @@ public class SoftMixingMainMixer {
         return ais;
     }
 
-    protected void processAudioBuffers() {
+    void processAudioBuffers() {
         for (int i = 0; i < buffers.length; i++) {
             buffers[i].clear();
         }
@@ -162,20 +162,20 @@ public class SoftMixingMainMixer {
 
         InputStream in = new InputStream() {
 
-            private SoftAudioBuffer[] buffers = SoftMixingMainMixer.this.buffers;
+            private final SoftAudioBuffer[] buffers = SoftMixingMainMixer.this.buffers;
 
-            private int nrofchannels = SoftMixingMainMixer.this.mixer
+            private final int nrofchannels = SoftMixingMainMixer.this.mixer
                     .getFormat().getChannels();
 
-            private int buffersize = buffers[0].getSize();
+            private final int buffersize = buffers[0].getSize();
 
-            private byte[] bbuffer = new byte[buffersize
+            private final byte[] bbuffer = new byte[buffersize
                     * (SoftMixingMainMixer.this.mixer.getFormat()
                             .getSampleSizeInBits() / 8) * nrofchannels];
 
             private int bbuffer_pos = 0;
 
-            private byte[] single = new byte[1];
+            private final byte[] single = new byte[1];
 
             public void fillBuffer() {
                 processAudioBuffers();

src/share/classes/com/sun/media/sound/SoftMixingMixer.java

 /*
- * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -48,27 +48,27 @@ import javax.sound.sampled.Control.Type;
  *
  * @author Karl Helgason
  */
-public class SoftMixingMixer implements Mixer {
+public final class SoftMixingMixer implements Mixer {
 
     private static class Info extends Mixer.Info {
-        public Info() {
+        Info() {
             super(INFO_NAME, INFO_VENDOR, INFO_DESCRIPTION, INFO_VERSION);
         }
     }
 
-    protected static final String INFO_NAME = "Gervill Sound Mixer";
+    static final String INFO_NAME = "Gervill Sound Mixer";
 
-    protected static final String INFO_VENDOR = "OpenJDK Proposal";
+    static final String INFO_VENDOR = "OpenJDK Proposal";
 
-    protected static final String INFO_DESCRIPTION = "Software Sound Mixer";
+    static final String INFO_DESCRIPTION = "Software Sound Mixer";
 
-    protected static final String INFO_VERSION = "1.0";
+    static final String INFO_VERSION = "1.0";
 
-    protected final static Mixer.Info info = new Info();
+    static final Mixer.Info info = new Info();
 
-    protected Object control_mutex = this;
+    final Object control_mutex = this;
 
-    protected boolean implicitOpen = false;
+    boolean implicitOpen = false;
 
     private boolean open = false;
 
@@ -82,15 +82,15 @@ public class SoftMixingMixer implements Mixer {
 
     private AudioInputStream pusher_stream = null;
 
-    private float controlrate = 147f;
+    private final float controlrate = 147f;
 
-    private long latency = 100000; // 100 msec
+    private final long latency = 100000; // 100 msec
 
-    private boolean jitter_correction = false;
+    private final boolean jitter_correction = false;
 
-    private List<LineListener> listeners = new ArrayList<LineListener>();
+    private final List<LineListener> listeners = new ArrayList<LineListener>();
 
-    private javax.sound.sampled.Line.Info[] sourceLineInfo;
+    private final javax.sound.sampled.Line.Info[] sourceLineInfo;
 
     public SoftMixingMixer() {
 
@@ -516,11 +516,11 @@ public class SoftMixingMixer implements Mixer {
         }
     }
 
-    protected float getControlRate() {
+    float getControlRate() {
         return controlrate;
     }
 
-    protected SoftMixingMainMixer getMainMixer() {
+    SoftMixingMainMixer getMainMixer() {
         if (!isOpen())
             return null;
         return mainmixer;