8038962: KSS: javax.swing.text.html[.parser].ResourceLoader

Reviewed-by: alexsch, serb

src/share/classes/javax/swing/text/html/HTMLEditorKit.java

@@ -26,7 +26,6 @@ package javax.swing.text.html;
 
 import sun.awt.AppContext;
 
-import java.lang.reflect.Method;
 import java.awt.*;
 import java.awt.event.*;
 import java.io.*;
@@ -34,12 +33,13 @@ import java.net.MalformedURLException;
 import java.net.URL;
 import javax.swing.text.*;
 import javax.swing.*;
-import javax.swing.border.*;
 import javax.swing.event.*;
 import javax.swing.plaf.TextUI;
 import java.util.*;
 import javax.accessibility.*;
 import java.lang.ref.*;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
 
 /**
  * The Swing JEditorPane text component supports different kinds
@@ -414,14 +414,13 @@ public class HTMLEditorKit extends StyledEditorKit implements Accessible {
      *  HTMLEditorKit class
      * @return a stream representing the resource
      */
-    static InputStream getResourceAsStream(String name) {
-        try {
-            return ResourceLoader.getResourceAsStream(name);
-        } catch (Throwable e) {
-            // If the class doesn't exist or we have some other
-            // problem we just try to call getResourceAsStream directly.
-            return HTMLEditorKit.class.getResourceAsStream(name);
-        }
+    static InputStream getResourceAsStream(final String name) {
+        return AccessController.doPrivileged(
+                new PrivilegedAction<InputStream>() {
+                    public InputStream run() {
+                        return HTMLEditorKit.class.getResourceAsStream(name);
+                    }
+                });
     }
 
     /**

src/share/classes/javax/swing/text/html/ResourceLoader.java

-/*
- * Copyright (c) 1999, 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
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package javax.swing.text.html;
-
-import java.io.InputStream;
-
-/**
- * Simple class to load resources using the 1.2
- * security model.  Since the html support is loaded
- * lazily, it's resources are potentially fetched with
- * applet code in the call stack.  By providing this
- * functionality in a class that is only built on 1.2,
- * reflection can be used from the code that is also
- * built on 1.1 to call this functionality (and avoid
- * the evils of preprocessing).  This functionality
- * is called from HTMLEditorKit.getResourceAsStream.
- *
- * @author  Timothy Prinzing
- */
-class ResourceLoader implements java.security.PrivilegedAction {
-
-    ResourceLoader(String name) {
-        this.name = name;
-    }
-
-    public Object run() {
-        Object o = HTMLEditorKit.class.getResourceAsStream(name);
-        return o;
-    }
-
-    public static InputStream getResourceAsStream(String name) {
-        java.security.PrivilegedAction a = new ResourceLoader(name);
-        return (InputStream) java.security.AccessController.doPrivileged(a);
-    }
-
-    private String name;
-}

src/share/classes/javax/swing/text/html/parser/ParserDelegator.java

@@ -22,7 +22,6 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
-
 package javax.swing.text.html.parser;
 
 import sun.awt.AppContext;
@@ -35,6 +34,8 @@ import java.io.DataInputStream;
 import java.io.ObjectInputStream;
 import java.io.Reader;
 import java.io.Serializable;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
 
 /**
  * Responsible for starting up a new DocumentParser
@@ -111,14 +112,13 @@ public class ParserDelegator extends HTMLEditorKit.Parser implements Serializabl
      *  ParserDelegator class.
      * @returns a stream representing the resource
      */
-    static InputStream getResourceAsStream(String name) {
-        try {
-            return ResourceLoader.getResourceAsStream(name);
-        } catch (Throwable e) {
-            // If the class doesn't exist or we have some other
-            // problem we just try to call getResourceAsStream directly.
-            return ParserDelegator.class.getResourceAsStream(name);
-        }
+    static InputStream getResourceAsStream(final String name) {
+        return AccessController.doPrivileged(
+                new PrivilegedAction<InputStream>() {
+                    public InputStream run() {
+                        return ParserDelegator.class.getResourceAsStream(name);
+                    }
+                });
     }
 
     private void readObject(ObjectInputStream s)

src/share/classes/javax/swing/text/html/parser/ResourceLoader.java

-/*
- * Copyright (c) 1999, 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
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package javax.swing.text.html.parser;
-
-import java.io.InputStream;
-
-/**
- * Simple class to load resources using the 1.2
- * security model.  Since the html support is loaded
- * lazily, it's resources are potentially fetched with
- * applet code in the call stack.  By providing this
- * functionality in a class that is only built on 1.2,
- * reflection can be used from the code that is also
- * built on 1.1 to call this functionality (and avoid
- * the evils of preprocessing).  This functionality
- * is called from ParserDelegator.getResourceAsStream.
- *
- * @author  Timothy Prinzing
- */
-class ResourceLoader implements java.security.PrivilegedAction {
-
-    ResourceLoader(String name) {
-        this.name = name;
-    }
-
-    public Object run() {
-        Object o = ParserDelegator.class.getResourceAsStream(name);
-        return o;
-    }
-
-    public static InputStream getResourceAsStream(String name) {
-        java.security.PrivilegedAction a = new ResourceLoader(name);
-        return (InputStream) java.security.AccessController.doPrivileged(a);
-    }
-
-    private String name;
-}

src/share/classes/javax/swing/text/rtf/RTFReader.java

@@ -27,9 +27,9 @@ package javax.swing.text.rtf;
 import java.lang.*;
 import java.util.*;
 import java.io.*;
-import java.awt.Font;
 import java.awt.Color;
-
+import java.security.AccessController;
+import java.security.PrivilegedAction;
 import javax.swing.text.*;
 
 /**
@@ -558,16 +558,14 @@ getCharacterSet(final String name)
 {
     char[] set = characterSets.get(name);
     if (set == null) {
-      InputStream charsetStream;
-      charsetStream = java.security.AccessController.
-              doPrivileged(new java.security.PrivilegedAction<InputStream>() {
-          public InputStream run() {
-              return RTFReader.class.getResourceAsStream
-                                     ("charsets/" + name + ".txt");
-          }
-      });
-      set = readCharset(charsetStream);
-      defineCharacterSet(name, set);
+        InputStream charsetStream = AccessController.doPrivileged(
+                new PrivilegedAction<InputStream>() {
+                    public InputStream run() {
+                        return RTFReader.class.getResourceAsStream("charsets/" + name + ".txt");
+                    }
+                });
+        set = readCharset(charsetStream);
+        defineCharacterSet(name, set);
     }
     return set;
 }