7027693: /jfc/CodePointIM demo needs to be improved

Reviewed-by: alexp

src/share/demo/jfc/CodePointIM/CodePointIM.java

 /*
- * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2004, 2011, Oracle and/or its affiliates. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -29,12 +29,12 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-/*
- */
+
 import java.util.Locale;
 import java.util.MissingResourceException;
 import java.util.ResourceBundle;
 
+
 public class CodePointIM {
 
     // Actually, the main method is not required for InputMethod.
@@ -42,11 +42,11 @@ public class CodePointIM {
     // not correct and encourage their reading README.txt.
     public static void main(String[] args) {
         try {
-            ResourceBundle resource = ResourceBundle.getBundle("resources.codepoint",
+            ResourceBundle resource = ResourceBundle.getBundle(
+                    "resources.codepoint",
                     Locale.getDefault());
             System.err.println(resource.getString("warning"));
-        }
-        catch (MissingResourceException e) {
+        } catch (MissingResourceException e) {
             System.err.println(e.toString());
         }
 

src/share/demo/jfc/CodePointIM/CodePointInputMethod.java

 /*
- * Copyright (c) 2002, 2004, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -28,13 +28,8 @@
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-
-/*
- */
-
 package com.sun.inputmethods.internal.codepointim;
-import java.text.AttributedCharacterIterator;
-import java.util.Map;
+
 
 import java.awt.AWTEvent;
 import java.awt.Toolkit;
@@ -50,6 +45,7 @@ import java.io.IOException;
 import java.text.AttributedString;
 import java.util.Locale;
 
+
 /**
  * The Code Point Input Method is a simple input method that allows Unicode
  * characters to be entered using their code point or code unit values. See the
@@ -63,14 +59,12 @@ public class CodePointInputMethod implements InputMethod {
     private static final int ESCAPE = 1; // \u0000       - \uFFFF
     private static final int SPECIAL_ESCAPE = 2; // \U000000     - \U10FFFF
     private static final int SURROGATE_PAIR = 3; // \uD800\uDC00 - \uDBFF\uDFFF
-
     private InputMethodContext context;
     private Locale locale;
     private StringBuffer buffer;
     private int insertionPoint;
     private int format = UNSET;
 
-
     public CodePointInputMethod() throws IOException {
     }
 
@@ -221,7 +215,7 @@ public class CodePointInputMethod implements InputMethod {
     private void waitDigit2(char c) {
         if (Character.digit(c, 16) != -1) {
             buffer.insert(insertionPoint++, c);
-            char codePoint = (char)getCodePoint(buffer, 2, 5);
+            char codePoint = (char) getCodePoint(buffer, 2, 5);
             if (Character.isHighSurrogate(codePoint)) {
                 format = SURROGATE_PAIR;
                 buffer.append("\\u");
@@ -383,7 +377,7 @@ public class CodePointInputMethod implements InputMethod {
     private void finishComposition() {
         int len = buffer.length();
         if (len == 6 && format != SPECIAL_ESCAPE) {
-            char codePoint = (char)getCodePoint(buffer, 2, 5);
+            char codePoint = (char) getCodePoint(buffer, 2, 5);
             if (Character.isValidCodePoint(codePoint) && codePoint != 0xFFFF) {
                 buffer.setLength(0);
                 buffer.append(codePoint);
@@ -400,11 +394,11 @@ public class CodePointInputMethod implements InputMethod {
             }
         } else if (len == 12 && format == SURROGATE_PAIR) {
             char[] codePoint = {
-                (char)getCodePoint(buffer, 2, 5),
-                (char)getCodePoint(buffer, 8, 11)
+                (char) getCodePoint(buffer, 2, 5),
+                (char) getCodePoint(buffer, 8, 11)
             };
-            if (Character.isHighSurrogate(codePoint[0]) &&
-                Character.isLowSurrogate(codePoint[1])) {
+            if (Character.isHighSurrogate(codePoint[0]) && Character.
+                    isLowSurrogate(codePoint[1])) {
                 buffer.setLength(0);
                 buffer.append(codePoint);
                 sendCommittedText();
@@ -418,7 +412,7 @@ public class CodePointInputMethod implements InputMethod {
     private int getCodePoint(StringBuffer sb, int from, int to) {
         int value = 0;
         for (int i = from; i <= to; i++) {
-            value = (value<<4) + Character.digit(sb.charAt(i), 16);
+            value = (value << 4) + Character.digit(sb.charAt(i), 16);
         }
         return value;
     }
@@ -427,7 +421,6 @@ public class CodePointInputMethod implements InputMethod {
         Toolkit.getDefaultToolkit().beep();
     }
 
-
     public void activate() {
         if (buffer == null) {
             buffer = new StringBuffer(12);

src/share/demo/jfc/CodePointIM/CodePointInputMethodDescriptor.java

 /*
- * Copyright (c) 2002, 2004, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -28,17 +28,15 @@
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-
-/*
- */
-
 package com.sun.inputmethods.internal.codepointim;
 
+
 import java.awt.Image;
 import java.awt.im.spi.InputMethodDescriptor;
 import java.awt.im.spi.InputMethod;
 import java.util.Locale;
 
+
 /**
  * The CodePointInputMethod is a simple input method that allows Unicode
  * characters to be entered via their hexadecimal code point values.
@@ -68,12 +66,12 @@ public class CodePointInputMethodDescriptor implements InputMethodDescriptor {
      */
     public Locale[] getAvailableLocales() {
         Locale[] locales = {
-            new Locale("","",""),
-        };
+            new Locale("", "", ""), };
         return locales;
     }
 
-    public synchronized String getInputMethodDisplayName(Locale inputLocale, Locale displayLanguage) {
+    public synchronized String getInputMethodDisplayName(Locale inputLocale,
+            Locale displayLanguage) {
         return "CodePoint Input Method";
     }