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/*
 * $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.
 * 
 * EIP Reference: http
 * ://www.eaipatterns.com/Sequencer.html
 */
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