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1   /*
2    * $Id: ExpressionMessageInfoMapping.java 20321 2010-11-24 15:21:24Z dfeist $
3    * --------------------------------------------------------------------------------------
4    * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
5    *
6    * The software in this package is published under the terms of the CPAL v1.0
7    * license, a copy of which has been included with this distribution in the
8    * LICENSE.txt file.
9    */
10  package org.mule.routing;
11  
12  import org.mule.api.MuleContext;
13  import org.mule.api.MuleMessage;
14  import org.mule.api.context.MuleContextAware;
15  import org.mule.api.routing.MessageInfoMapping;
16  
17  /**
18   * TODO
19   */
20  public class ExpressionMessageInfoMapping implements MessageInfoMapping, MuleContextAware
21  {
22      private String correlationIdExpression;
23      private String messageIdExpression;
24      private MuleContext muleContext;
25  
26      public void setMuleContext(MuleContext context)
27      {
28          this.muleContext = context;
29      }
30  
31      public String getMessageId(MuleMessage message)
32      {
33          return (String) muleContext.getExpressionManager().evaluate(getMessageIdExpression(), message, true);
34      }
35  
36      public String getCorrelationId(MuleMessage message)
37      {
38          String id = (String) muleContext.getExpressionManager().evaluate(getCorrelationIdExpression(), message, false);
39          if (id == null)
40          {
41              id = getMessageId(message);
42          }
43          return id;
44      }
45  
46      public String getCorrelationIdExpression()
47      {
48          return correlationIdExpression;
49      }
50  
51      public void setCorrelationIdExpression(String correlationIdExpression)
52      {
53          this.correlationIdExpression = correlationIdExpression;
54      }
55  
56      public String getMessageIdExpression()
57      {
58          return messageIdExpression;
59      }
60  
61      public void setMessageIdExpression(String messageIdExpression)
62      {
63          this.messageIdExpression = messageIdExpression;
64      }
65  }