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Java > Open Source Codes > org > jboss > invocation > http > interfaces > ClientMethodInterceptor


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.invocation.http.interfaces;
23
24 import java.io.Externalizable JavaDoc;
25 import java.lang.reflect.Method JavaDoc;
26
27 import org.jboss.invocation.Invocation;
28 import org.jboss.proxy.Interceptor;
29
30 /** Handle toString, equals, hashCode locally on the client.
31  *
32  * @author Scott.Stark@jboss.org
33  * @version $Revision: 37459 $
34  */
35 public class ClientMethodInterceptor extends Interceptor
36    implements Externalizable JavaDoc
37 {
38    /** The serialVersionUID. @since 1.1.4.1 */
39    private static final long serialVersionUID = 3511654206312502958L;
40
41    /** Handle methods locally on the client
42     *
43     * @param mi
44     * @return
45     * @throws Throwable
46     */
47    public Object JavaDoc invoke(Invocation mi) throws Throwable JavaDoc
48    {
49       Method JavaDoc m = mi.getMethod();
50       String JavaDoc methodName = m.getName();
51       HttpInvokerProxy proxy = (HttpInvokerProxy) mi.getInvocationContext().getInvoker();
52       // Implement local methods
53 if( methodName.equals("toString") )
54       {
55          return toString(proxy);
56       }
57       if( methodName.equals("equals") )
58       {
59          Object JavaDoc[] args = mi.getArguments();
60          String JavaDoc thisString = toString(proxy);
61          String JavaDoc argsString = args[0] == null ? "" : args[0].toString();
62          return new Boolean JavaDoc(thisString.equals(argsString));
63       }
64       if( methodName.equals("hashCode") )
65       {
66          return (Integer JavaDoc) mi.getObjectName();
67       }
68
69       return getNext().invoke(mi);
70    }
71
72    private String JavaDoc toString(HttpInvokerProxy proxy)
73    {
74       StringBuffer JavaDoc tmp = new StringBuffer JavaDoc(proxy.toString());
75       tmp.append('{');
76       tmp.append("externalURLValue="+proxy.getExternalURLValue());
77       tmp.append(",externalURL="+proxy.getExternalURL());
78       tmp.append('}');
79       return tmp.toString();
80    }
81 }
82
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