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Java > Open Source Codes > org > apache > servicemix > components > util > EchoComponent


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.components.util;
18
19 import org.apache.commons.logging.Log;
20 import org.apache.commons.logging.LogFactory;
21 import org.apache.servicemix.MessageExchangeListener;
22
23 import javax.jbi.messaging.MessageExchange;
24 import javax.jbi.messaging.MessagingException;
25 import javax.jbi.messaging.NormalizedMessage;
26
27 /**
28  * A simple, yet useful component for testing synchronous flows. Echos back Exchanges
29  *
30  * @version $Revision: 426415 $
31  */
32 public class EchoComponent extends TransformComponentSupport implements MessageExchangeListener {
33     private static final Log log = LogFactory.getLog(EchoComponent.class);
34     
35     protected boolean transform(MessageExchange exchange, NormalizedMessage in, NormalizedMessage out) throws MessagingException {
36         getMessageTransformer().transform(exchange, in, out);
37         log.info("Echoed back message: " + out);
38         return true;
39     }
40 }
41
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