01: /*
02: * JBoss, Home of Professional Open Source.
03: * Copyright 2006, Red Hat Middleware LLC, and individual contributors
04: * as indicated by the @author tags. See the copyright.txt file in the
05: * distribution for a full listing of individual contributors.
06: *
07: * This is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU Lesser General Public License as
09: * 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.aspects.remoting.interceptors.marshall;
23:
24: import org.jboss.aop.advice.Interceptor;
25: import org.jboss.aop.joinpoint.Invocation;
26: import org.jboss.aop.util.PayloadKey;
27: import org.jboss.aspects.remoting.interceptors.invoker.RemotingInterceptorFactory;
28: import org.jboss.remoting.marshal.Marshaller;
29:
30: /**
31: * @author <a href="mailto:tom@jboss.org">Tom Elrod</a>
32: */
33: public class MarshallInterceptor implements Interceptor {
34: private Marshaller marshaller;
35:
36: public MarshallInterceptor(Marshaller marshaller) {
37: this .marshaller = marshaller;
38: }
39:
40: public String getName() {
41: return "MarshallInterceptor";
42: }
43:
44: /**
45: * By default, this will only add the marshaller to be used to the invocation meta data,
46: * which will later be used by the transport.
47: *
48: * @param invocation
49: * @return
50: * @throws Throwable
51: */
52: public Object invoke(Invocation invocation) throws Throwable {
53: // need to add marshaller to invocation so can be found by transport later on
54: invocation.getMetaData().addMetaData(
55: RemotingInterceptorFactory.REMOTING,
56: RemotingInterceptorFactory.MARSHALLER, marshaller,
57: PayloadKey.TRANSIENT);
58:
59: return invocation.invokeNext();
60: }
61: }
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