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1   /*
2    * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
3    * The software in this package is published under the terms of the CPAL v1.0
4    * license, a copy of which has been included with this distribution in the
5    * LICENSE.txt file.
6    */
7   package org.mule.config.spring.factories;
8   
9   import org.mule.api.processor.MessageProcessor;
10  import org.mule.api.processor.MessageProcessorBuilder;
11  import org.mule.api.processor.MessageProcessors;
12  import org.mule.processor.chain.DefaultMessageProcessorChainBuilder;
13  
14  import java.util.List;
15  
16  import org.springframework.beans.factory.FactoryBean;
17  
18  public class MessageProcessorChainFactoryBean implements FactoryBean
19  {
20  
21      protected List processors;
22      protected String name;
23  
24      public Class getObjectType()
25      {
26          return MessageProcessor.class;
27      }
28  
29      public void setMessageProcessors(List processors)
30      {
31          this.processors = processors;
32      }
33  
34      public Object getObject() throws Exception
35      {
36          DefaultMessageProcessorChainBuilder builder = new DefaultMessageProcessorChainBuilder();
37          builder.setName("processor chain '"+name+"'");
38          for (Object processor : processors)
39          {
40              if (processor instanceof MessageProcessor)
41              {
42                  builder.chain((MessageProcessor) processor);
43              }
44              else if (processor instanceof MessageProcessorBuilder)
45              {
46                  builder.chain((MessageProcessorBuilder) processor);
47              }
48              else
49              {
50                  throw new IllegalArgumentException(
51                      "MessageProcessorBuilder should only have MessageProcessor's or MessageProcessorBuilder's configured");
52              }
53          }
54          return MessageProcessors.lifecyleAwareMessageProcessorWrapper(builder.build());
55      }
56  
57      public boolean isSingleton()
58      {
59          return false;
60      }
61  
62      public void setName(String name)
63      {
64          this.name = name;
65      }
66  
67  }