/*
* $Id: CollectionSplitter.java 22272 2011-06-27 16:17:16Z mike.schilling $
* --------------------------------------------------------------------------------------
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
*
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.routing;
import java.util.Collection;
import java.util.Iterator;
import java.util.LinkedList;
import org.mule.api.MuleEvent;
import org.mule.config.i18n.CoreMessages;
import org.mule.routing.outbound.AbstractMessageSequenceSplitter;
import org.mule.routing.outbound.CollectionMessageSequence;
import org.mule.routing.outbound.IteratorMessageSequence;
/**
* Splits a message that has a Collection, Iterable, MessageSequence or Iterator
* payload invoking the next message processor one
* for each item in it.
* <p>
* <b>EIP Reference:</b> <a href="http://www.eaipatterns.com/Sequencer.html">http
* ://www.eaipatterns.com/Sequencer.html</a>
*/
public class CollectionSplitter extends AbstractMessageSequenceSplitter
{
@SuppressWarnings("unchecked")
protected MessageSequence<?> splitMessageIntoSequence(MuleEvent event)
{
Object payload = event.getMessage().getPayload();
if (payload instanceof MessageSequence<?>)
{
return ((MessageSequence<?>) payload);
}
if (payload instanceof Iterator<?>)
{
return new IteratorMessageSequence<Object>(((Iterator<Object>) payload));
}
if (payload instanceof Collection)
{
return new CollectionMessageSequence(new LinkedList((Collection) payload));
}
if (payload instanceof Iterable<?>)
{
return new IteratorMessageSequence<Object>(((Iterable<Object>) payload).iterator());
}
else
{
throw new IllegalArgumentException(CoreMessages.objectNotOfCorrectType(payload.getClass(),
new Class[]{Iterable.class, Iterator.class, MessageSequence.class, Collection.class})
.getMessage());
}
}
}