org.mule.routing.MapSplitter Maven / Gradle / Ivy
/*
* $Id: MapSplitter.java 21128 2011-01-27 02:51:53Z dfeist $
* --------------------------------------------------------------------------------------
* 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 org.mule.DefaultMuleMessage;
import org.mule.api.MuleEvent;
import org.mule.api.MuleMessage;
import org.mule.config.i18n.CoreMessages;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.Map.Entry;
/**
* Splits a message that has a map payload invoking the next message processor one
* for each item in the map in order. The Map entry value is used as the new payload
* and the map key is set as a message property with the following property name
* 'key'.
*
* EIP Reference: http://www
* .eaipatterns.com/Sequencer.html
*/
public class MapSplitter extends AbstractSplitter
{
public static String MAP_ENTRY_KEY = "key";
protected List splitMessage(MuleEvent event)
{
MuleMessage message = event.getMessage();
if (message.getPayload() instanceof Map)
{
List list = new LinkedList();
Set> set = ((Map) message.getPayload()).entrySet();
for (Entry entry : set)
{
MuleMessage splitMessage = new DefaultMuleMessage(entry.getValue(), muleContext);
splitMessage.setInvocationProperty(MAP_ENTRY_KEY, entry.getKey());
list.add(splitMessage);
}
return list;
}
else
{
throw new IllegalArgumentException(CoreMessages.objectNotOfCorrectType(
message.getPayload().getClass(), Map.class).getMessage());
}
}
}