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Java > Open Source Codes > org > apache > servicemix > components > mps > ExistingPropertyCopier


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.mps;
18
19 import javax.jbi.JBIException;
20 import javax.jbi.messaging.NormalizedMessage;
21
22
23 /**
24  * Copy a property value from an existing property (somewhere)
25  * @author rbuckland
26  *
27  */
28 public class ExistingPropertyCopier implements PropertyValue {
29
30     public final static String JavaDoc XML_ELEMENT_NAME = "existing-property";
31     
32     private String JavaDoc name;
33
34     public ExistingPropertyCopier(String JavaDoc name) {
35         this.name = name;
36     }
37     public String JavaDoc getPropertyValue(NormalizedMessage msg) throws JBIException {
38         if (msg.getProperty(name) != null) {
39             return msg.getProperty(name).toString();
40         } else {
41             return null;
42         }
43         
44     }
45
46 }
47
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