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Java > Open Source Codes > org > jboss > ejb3 > remoting > IsLocalInterceptor


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.ejb3.remoting;
23
24 import java.io.Serializable JavaDoc;
25 import java.util.Map JavaDoc;
26
27 import org.jboss.aop.Dispatcher;
28 import org.jboss.aop.Advisor;
29 import org.jboss.aop.advice.Interceptor;
30 import org.jboss.aop.joinpoint.Invocation;
31 import org.jboss.serial.io.MarshalledObjectForLocalCalls;
32 import org.jboss.ejb3.Container;
33 import org.jboss.ejb3.Ejb3Registry;
34
35 /**
36  * Comment
37  *
38  * @author <a HREF="mailto:bill@jboss.org">Bill Burke</a>
39  * @version $Revision: 45621 $
40  */
41 public class IsLocalInterceptor implements Interceptor, Serializable JavaDoc
42 {
43    public static final String JavaDoc IS_LOCAL = "IS_LOCAL";
44    public static final String JavaDoc IS_LOCAL_EXCEPTION = "IS_LOCAL_EXCEPTION";
45    public String JavaDoc getName()
46    {
47       return getClass().getName();
48    }
49
50    public Object JavaDoc invoke(Invocation invocation) throws Throwable JavaDoc
51    {
52       Object JavaDoc oid = invocation.getMetaData(Dispatcher.DISPATCHER, Dispatcher.OID);
53       Container container = Ejb3Registry.getContainer(oid.toString());
54       if (container != null)
55       {
56          Invocation copy = (Invocation) new MarshalledObjectForLocalCalls(invocation).get();
57          copy.getMetaData().addMetaData(IS_LOCAL, IS_LOCAL, Boolean.TRUE);
58          org.jboss.aop.joinpoint.InvocationResponse response = ((Advisor) container).dynamicInvoke(null, copy);
59          Map JavaDoc contextInfo = response.getContextInfo();
60          if (contextInfo != null)
61          {
62             MarshalledObjectForLocalCalls wrappedException = (MarshalledObjectForLocalCalls) response.getContextInfo().get(IS_LOCAL_EXCEPTION);
63             if (wrappedException != null)
64             {
65                throw (Throwable JavaDoc) wrappedException.get();
66             }
67          }
68          invocation.setResponseContextInfo(response.getContextInfo());
69          MarshalledObjectForLocalCalls wrapped = (MarshalledObjectForLocalCalls) response.getResponse();
70          Object JavaDoc rtn = null;
71          if (wrapped != null)
72          {
73             rtn = wrapped.get();
74          }
75          return rtn;
76       }
77       return invocation.invokeNext();
78    }
79
80 }
81
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