KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > jboss > util > stream > MarshalledValueInputStream


1 /*
2   * JBoss, Home of Professional Open Source
3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * published by the Free Software Foundation; either version 2.1 of
10   * the License, or (at your option) any later version.
11   *
12   * This software is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15   * Lesser General Public License for more details.
16   *
17   * You should have received a copy of the GNU Lesser General Public
18   * License along with this software; if not, write to the Free
19   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21   */
22 package org.jboss.util.stream;
23
24 import java.io.IOException JavaDoc;
25 import java.io.InputStream JavaDoc;
26 import java.io.ObjectInputStream JavaDoc;
27 import java.io.ObjectStreamClass JavaDoc;
28
29 /**
30  * An ObjectInputStream subclass used by the MarshalledValue class to
31  * ensure the classes and proxies are loaded using the thread context
32  * class loader.
33  *
34  * @author Scott.Stark@jboss.org
35  * @version $Revision: 37406 $
36  */
37 public class MarshalledValueInputStream
38    extends ObjectInputStream JavaDoc
39 {
40    /**
41     * Creates a new instance of MarshalledValueOutputStream
42     */
43    public MarshalledValueInputStream(InputStream JavaDoc is) throws IOException JavaDoc
44    {
45       super(is);
46    }
47
48    /**
49     * Use the thread context class loader to resolve the class
50     *
51     * @throws java.io.IOException Any exception thrown by the underlying OutputStream.
52     */
53    protected Class JavaDoc resolveClass(ObjectStreamClass JavaDoc v)
54       throws IOException JavaDoc, ClassNotFoundException JavaDoc
55    {
56       ClassLoader JavaDoc loader = Thread.currentThread().getContextClassLoader();
57       String JavaDoc className = v.getName();
58       return loader.loadClass(className);
59    }
60
61    protected Class JavaDoc resolveProxyClass(String JavaDoc[] interfaces)
62       throws IOException JavaDoc, ClassNotFoundException JavaDoc
63    {
64       // Load the interfaces from the thread context class loader
65 ClassLoader JavaDoc loader = Thread.currentThread().getContextClassLoader();
66       Class JavaDoc[] ifaceClasses = new Class JavaDoc[interfaces.length];
67       for (int i = 0; i < interfaces.length; i++)
68       {
69          ifaceClasses[i] = loader.loadClass(interfaces[i]);
70       }
71       
72       return java.lang.reflect.Proxy.getProxyClass(loader, ifaceClasses);
73    }
74 }
75
Popular Tags