/*
 * Copyright (C) 2005 Alfresco, Inc.
 *
 * Licensed under the Mozilla Public License version 1.1 
 * with a permitted attribution clause. You may obtain a
 * copy of the License at
 *
 *   http://www.alfresco.org/legal/license.txt
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific
 * language governing permissions and limitations under the
 * License.
 */
package org.alfresco.repo.rule.ruletrigger;

import java.util.List;

import org.alfresco.repo.policy.JavaBehaviour;
import org.alfresco.service.cmr.repository.ChildAssociationRef;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.rule.RuleServiceException;
import org.alfresco.service.namespace.NamespaceService;
import org.alfresco.service.namespace.QName;

public class SingleNodeRefPolicyRuleTrigger extends RuleTriggerAbstractBase
{
	private static final String ERR_POLICY_NAME_NOT_SET = "Unable to register rule trigger since policy name has not been set.";
	
	private String policyNamespace = NamespaceService.ALFRESCO_URI;
	
	private String policyName;
	
	private boolean triggerParentRules = true;
	
	public void setPolicyNamespace(String policyNamespace)
	{
		this.policyNamespace = policyNamespace;
	}
	
	public void setPolicyName(String policyName)
	{
		this.policyName = policyName;
	}
	
	public void setTriggerParentRules(boolean triggerParentRules)
	{
		this.triggerParentRules = triggerParentRules;
	}
	
	public void registerRuleTrigger()
	{
		if (policyName == null)
		{
			throw new RuleServiceException(ERR_POLICY_NAME_NOT_SET);
		}
		
		this.policyComponent.bindClassBehaviour(
				QName.createQName(this.policyNamespace, this.policyName), 
				this, 
				new JavaBehaviour(this, "policyBehaviour"));		
	}

	public void policyBehaviour(NodeRef nodeRef)
	{
		if (triggerParentRules == true)
		{
			List<ChildAssociationRef> parentsAssocRefs = this.nodeService.getParentAssocs(nodeRef);
			for (ChildAssociationRef parentAssocRef : parentsAssocRefs)
			{
				triggerRules(parentAssocRef.getParentRef(), nodeRef);
			}
		}
		else
		{
			triggerRules(nodeRef, nodeRef);
		}
	}
}