ResourceLoader


1   /*
2    * @(#)ResourceLoader.java  1.6 03/12/19
3    *
4    * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
5    * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
6    */
7   
8   package javax.swing.text.html.parser;
9   
10  import java.io.InputStream  ;
11  
12  /**
13   * Simple class to load resources using the 1.2
14   * security model.  Since the html support is loaded
15   * lazily, it's resources are potentially fetched with
16   * applet code in the call stack.  By providing this 
17   * functionality in a class that is only built on 1.2,
18   * reflection can be used from the code that is also
19   * built on 1.1 to call this functionality (and avoid
20   * the evils of preprocessing).  This functionality
21   * is called from ParserDelegator.getResourceAsStream.
22   *
23   * @author  Timothy Prinzing
24   * @version 1.6 12/19/03
25   */
26  class ResourceLoader implements java.security.PrivilegedAction   {
27  
28      ResourceLoader(String   name) {
29      this.name = name;
30      }
31  
32      public Object   run() {
33      Object   o = ParserDelegator  .class.getResourceAsStream(name);
34      return o;
35      }
36  
37      public static InputStream   getResourceAsStream(String   name) {
38      java.security.PrivilegedAction   a = new ResourceLoader  (name);
39          return (InputStream  ) java.security.AccessController.doPrivileged(a);
40      }
41  
42      private String   name;
43  }
44

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