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Java > Open Source Codes > org > apache > servicemix > tck > ReceiverPojo


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 package org.apache.servicemix.tck;
18
19 import javax.jbi.component.ComponentLifeCycle;
20 import javax.jbi.messaging.MessageExchange;
21 import javax.jbi.messaging.MessagingException;
22 import javax.jbi.messaging.NormalizedMessage;
23 import javax.xml.namespace.QName JavaDoc;
24
25 import org.apache.servicemix.MessageExchangeListener;
26 import org.apache.servicemix.components.util.CopyTransformer;
27 import org.apache.servicemix.components.util.MessageTransformer;
28 import org.apache.servicemix.components.util.PojoSupport;
29 import org.apache.servicemix.jbi.NoInMessageAvailableException;
30
31 /**
32  * A simple POJO which just implements the {@link ComponentLifeCycle}
33  * interface and is not dependent on any ServiceMix code.
34  *
35  * @version $Revision: 426415 $
36  */
37 public class ReceiverPojo extends PojoSupport implements ComponentLifeCycle, MessageExchangeListener, Receiver {
38
39     public static final QName JavaDoc SERVICE = new QName JavaDoc("http://servicemix.org/example/", "receiver");
40     public static final String JavaDoc ENDPOINT = "receiver";
41
42     private MessageList messageList = new MessageList();
43     private MessageTransformer messageTransformer = CopyTransformer.getInstance();
44
45     public ReceiverPojo() {
46         this(SERVICE, ENDPOINT);
47     }
48
49     public ReceiverPojo(QName JavaDoc service, String JavaDoc endpoint) {
50         super(service, endpoint);
51     }
52
53     // MessageExchangeListener interface
54 //-------------------------------------------------------------------------
55 public void onMessageExchange(MessageExchange exchange) throws MessagingException {
56         NormalizedMessage inMessage = getInMessage(exchange);
57         // Copy message to avoid possible closed stream exceptions
58 // when using StreamSource
59 NormalizedMessage copyMessage = exchange.createMessage();
60         getMessageTransformer().transform(exchange, inMessage, copyMessage);
61         messageList.addMessage(copyMessage);
62         done(exchange);
63     }
64
65     /**
66      * Returns the in message or throws an exception if there is no in message.
67      */
68     protected NormalizedMessage getInMessage(MessageExchange exchange) throws NoInMessageAvailableException {
69         NormalizedMessage message = exchange.getMessage("in");
70         if (message == null) {
71             throw new NoInMessageAvailableException(exchange);
72         }
73         return message;
74     }
75
76     public MessageTransformer getMessageTransformer() {
77         return messageTransformer;
78     }
79     
80     // Receiver interface
81 //-------------------------------------------------------------------------
82 public MessageList getMessageList() {
83         return messageList;
84     }
85 }
86
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