/*
* JBoss, Home of Professional Open Source Copyright 2009, Red Hat Middleware
* LLC, and individual contributors by the @authors tag. See the copyright.txt
* in the distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This software is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this software; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA, or see the FSF
* site: http://www.fsf.org.
*/
package org.jboss.internal.soa.esb.services.rules.util;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.jboss.internal.soa.esb.assertion.AssertArgument;
import org.jboss.internal.soa.esb.services.rules.RuleServiceException;
import org.jboss.soa.esb.message.Message;
import org.jboss.soa.esb.message.mapping.ObjectMapper;
import org.jboss.soa.esb.message.mapping.ObjectMappingException;
/**
* Utit methods for handling Rules related configuration operations.
*
* @author <a href="mailto:dbevenius@jboss.com">Daniel Bevenius</a>
*
*/
public class RuleConfigUtil
{
private RuleConfigUtil()
{
}
/**
* Extracts the Object instances specified in the object names of the entryPointMap argument from the ESB Message Object.
*
* @param entryPointMap Map of that contains object names as it's values. These are the objects that should be extracted from the ESB Message.
* @param message The ESB Message object.
* @return Map<String, List<Object> The same contents as the passed in Map but instead of a List of Strings the values are a List of Objects which
* have been extracted from the ESB Message object.
* @throws RuleServiceException
*/
public static Map<String, List<Object>> extractObjectsFromMessage(final Map<String, List<String>> entryPointMap, final Message message) throws RuleServiceException
{
AssertArgument.isNotNull(entryPointMap, "entryPointMap");
AssertArgument.isNotNull(message, "message");
try
{
final Map<String, List<Object>> newEntryPointMap = new HashMap<String, List<Object>>();
ObjectMapper objectMapper = new ObjectMapper();
for (Entry<String, List<String>> entry : entryPointMap.entrySet())
{
final String entryPointName = entry.getKey();
final List<Object> extractedObjects = new ArrayList<Object>();
for (String objectName : entry.getValue())
{
Object objectFromMessage = objectMapper.getObjectFromMessage(message, objectName);
extractedObjects.add(objectFromMessage);
}
newEntryPointMap.put(entryPointName, extractedObjects);
}
return newEntryPointMap;
}
catch (final ObjectMappingException e)
{
throw new RuleServiceException("Exception while trying to extract the objects '" + entryPointMap + "' from the message", e);
}
}
}