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


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.springframework.beans.factory.InitializingBean;
20
21 import javax.jbi.messaging.MessageExchange;
22 import javax.jbi.messaging.MessagingException;
23 import javax.jbi.messaging.NormalizedMessage;
24
25 /**
26  * A Java based transformation component using a plugable {@link MessageTransformer} instance
27  * to transform the input message into the output message.
28  *
29  * @version $Revision: 426415 $
30  */
31 public class TransformComponent extends TransformComponentSupport implements InitializingBean {
32     private MessageTransformer transformer;
33
34     public void afterPropertiesSet() throws Exception JavaDoc {
35         if (transformer == null) {
36             throw new IllegalArgumentException JavaDoc("Must specify a transformer property");
37         }
38     }
39
40     public MessageTransformer getTransformer() {
41         return transformer;
42     }
43
44     public void setTransformer(MessageTransformer transformer) {
45         this.transformer = transformer;
46     }
47
48     protected boolean transform(MessageExchange exchange, NormalizedMessage in, NormalizedMessage out) throws MessagingException {
49         return transformer.transform(exchange, in, out);
50     }
51 }
52
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