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Java > Open Source Codes > org > jboss > test > javassist > test > support > MyCollectionHandler


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
23 package org.jboss.test.javassist.test.support;
24
25 import java.lang.reflect.Method JavaDoc;
26 import java.lang.reflect.InvocationTargetException JavaDoc;
27 import java.util.AbstractCollection JavaDoc;
28
29 import javassist.util.proxy.MethodHandler;
30 import javassist.util.proxy.RuntimeSupport;
31
32 /**
33  * @author Scott.Stark@jboss.org
34  * @version $Revision: 44647 $
35  */
36
37 public class MyCollectionHandler implements MethodHandler
38 {
39    private AbstractCollection JavaDoc delegate;
40
41    public MyCollectionHandler(AbstractCollection JavaDoc delegate)
42    {
43       this.delegate = delegate;
44    }
45
46    public Object JavaDoc invoke(Object JavaDoc self, Method JavaDoc thisMethod, Method JavaDoc proceed, Object JavaDoc[] args)
47       throws Exception JavaDoc
48    {
49       Object JavaDoc result = null;
50       try
51       {
52          result = thisMethod.invoke(delegate, args);
53       }
54       catch (InvocationTargetException JavaDoc e)
55       {
56          Throwable JavaDoc t = e.getTargetException();
57          if( t instanceof Exception JavaDoc )
58             throw (Exception JavaDoc) t;
59          else if( t instanceof Error JavaDoc )
60             throw (Error JavaDoc) t;
61          // Not good, but simply cannot throw a Throwable
62 throw e;
63       }
64
65       return result;
66    }
67
68 }
69
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