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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.routing;
8   
9   import org.mule.api.MuleEvent;
10  import org.mule.api.MuleMessage;
11  import org.mule.config.i18n.CoreMessages;
12  
13  import java.util.Collection;
14  import java.util.LinkedList;
15  import java.util.List;
16  
17  /**
18   * Splits a message that has a list payload invoking the next message processor one
19   * for each item in the list in order.
20   * <p>
21   * <b>EIP Reference:</b> <a href="http://www.eaipatterns.com/Sequencer.html">http://www.eaipatterns.com/Sequencer.html</a>
22   */
23  public class CollectionSplitter extends AbstractSplitter
24  {
25  
26      protected List<MuleMessage> splitMessage(MuleEvent event)
27      {
28          MuleMessage message = event.getMessage();
29          if (message.getPayload() instanceof Collection)
30          {
31              return new LinkedList((Collection) message.getPayload());
32          }
33          else
34          {
35              throw new IllegalArgumentException(CoreMessages.objectNotOfCorrectType(
36                  message.getPayload().getClass(), List.class).getMessage());
37          }
38      }
39  
40  }