View Javadoc

1   /*
2    * $Id: MessageProcessorChainFactoryBean.java 21937 2011-05-17 21:21:29Z 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  
11  package org.mule.config.spring.factories;
12  
13  import org.mule.api.processor.MessageProcessor;
14  import org.mule.api.processor.MessageProcessorBuilder;
15  import org.mule.api.processor.MessageProcessors;
16  import org.mule.processor.chain.DefaultMessageProcessorChainBuilder;
17  
18  import java.util.List;
19  
20  import org.springframework.beans.factory.FactoryBean;
21  
22  public class MessageProcessorChainFactoryBean implements FactoryBean
23  {
24  
25      protected List processors;
26      protected String name;
27  
28      public Class getObjectType()
29      {
30          return MessageProcessor.class;
31      }
32  
33      public void setMessageProcessors(List processors)
34      {
35          this.processors = processors;
36      }
37  
38      public Object getObject() throws Exception
39      {
40          DefaultMessageProcessorChainBuilder builder = new DefaultMessageProcessorChainBuilder();
41          builder.setName("processor chain '"+name+"'");
42          for (Object processor : processors)
43          {
44              if (processor instanceof MessageProcessor)
45              {
46                  builder.chain((MessageProcessor) processor);
47              }
48              else if (processor instanceof MessageProcessorBuilder)
49              {
50                  builder.chain((MessageProcessorBuilder) processor);
51              }
52              else
53              {
54                  throw new IllegalArgumentException(
55                      "MessageProcessorBuilder should only have MessageProcessor's or MessageProcessorBuilder's configured");
56              }
57          }
58          return MessageProcessors.lifecyleAwareMessageProcessorWrapper(builder.build());
59      }
60  
61      public boolean isSingleton()
62      {
63          return false;
64      }
65  
66      public void setName(String name)
67      {
68          this.name = name;
69      }
70  
71  }