ObjectInputStreamWithLoader


1   /*
2    * @(#)ObjectInputStreamWithLoader.java 4.20 04/02/06
3    * 
4    * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
5    * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
6    */
7   
8   package com.sun.jmx.mbeanserver;
9   
10  // Java import
11  import java.io.ObjectInputStream  ;
12  import java.io.InputStream  ;
13  import java.io.IOException  ;
14  import java.io.StreamCorruptedException  ;
15  import java.io.ObjectStreamClass  ;
16  
17  import javax.management.* ; 
18   
19  
20  
21  
22  /**
23   * This class deserializes an object in the context of a specific class loader.
24   *
25   * @since 1.5
26   */
27  class ObjectInputStreamWithLoader extends ObjectInputStream   {
28  
29      
30      private ClassLoader   loader;
31  
32  
33      /**
34       * @exception IOException Signals that an I/O exception of some
35       * sort has occurred.
36       * @exception StreamCorruptedException The object stream is corrupt.
37       */
38      public ObjectInputStreamWithLoader(InputStream   in, ClassLoader   theLoader) 
39          throws IOException   {
40      super(in);
41      this.loader = theLoader;
42      }
43      
44      protected Class   resolveClass(ObjectStreamClass   aClass) 
45          throws IOException  , ClassNotFoundException   {      
46      if (loader == null) {
47          return super.resolveClass(aClass);
48      } else {
49          String   name = aClass.getName();
50          // Query the class loader ...       
51          return Class.forName(name, false, loader);
52      }
53      }
54  }
55

A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame

Popular Tags