/*
* Copyright (C) 2005-2010 Alfresco Software Limited.
*
* This file is part of Alfresco
*
* Alfresco 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 3 of the License, or
* (at your option) any later version.
*
* Alfresco 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 Alfresco. If not, see .
*/
package org.alfresco.repo.rule.ruletrigger;
import java.util.List;
import org.alfresco.model.ContentModel;
import org.alfresco.repo.content.ContentServicePolicies;
import org.alfresco.repo.content.MimetypeMap;
import org.alfresco.repo.policy.JavaBehaviour;
import org.alfresco.service.cmr.repository.ChildAssociationRef;
import org.alfresco.service.cmr.repository.ContentReader;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.namespace.NamespaceService;
import org.alfresco.service.namespace.QName;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* @author Roy Wetherall
*/
public class OnContentUpdateRuleTrigger extends RuleTriggerAbstractBase
implements ContentServicePolicies.OnContentUpdatePolicy
{
/**
* The logger
*/
private static Log logger = LogFactory.getLog(OnContentUpdateRuleTrigger.class);
/** True trigger on new content, false otherwise */
private boolean onNewContent = false;
/** True trigger parent rules, false otherwier */
private boolean triggerParentRules = true;
/**
* If set to true the trigger will fire on new content, otherwise it will fire on content update
*
* @param onNewContent indicates whether to fire on content create or update
*/
public void setOnNewContent(boolean onNewContent)
{
this.onNewContent = onNewContent;
}
/**
* Indicates whether the parent rules should be triggered or the rules on the node itself
*
* @param triggerParentRules true trigger parent rules, false otherwise
*/
public void setTriggerParentRules(boolean triggerParentRules)
{
this.triggerParentRules = triggerParentRules;
}
/*
* @see org.alfresco.repo.rule.ruletrigger.RuleTrigger#registerRuleTrigger()
*/
public void registerRuleTrigger()
{
// Bind behaviour
this.policyComponent.bindClassBehaviour(
ContentServicePolicies.OnContentUpdatePolicy.QNAME,
this,
new JavaBehaviour(this, "onContentUpdate"));
}
/**
* @see org.alfresco.repo.content.ContentServicePolicies.OnContentUpdatePolicy#onContentUpdate(org.alfresco.service.cmr.repository.NodeRef, boolean)
*/
public void onContentUpdate(NodeRef nodeRef, boolean newContent)
{
// Check the new content and make sure that we do indeed want to trigger the rule
boolean fail = false;
if (newContent == true)
{
Boolean value = (Boolean)nodeService.getProperty(nodeRef, QName.createQName(NamespaceService.APP_MODEL_1_0_URI, "editInline"));
if (value != null)
{
boolean editInline = value.booleanValue();
if (editInline == true)
{
fail = true;
}
}
if (fail == false)
{
ContentReader contentReader = this.contentService.getReader(nodeRef, ContentModel.PROP_CONTENT);
if (contentReader == null ||
contentReader.exists() == false ||
isZeroLengthOfficeDoc(contentReader) == true)
{
fail = true;
}
}
}
// Trigger the rules in the appropriate way
if (fail == false && newContent == this.onNewContent)
{
if (triggerParentRules == true)
{
if (logger.isDebugEnabled() == true)
{
logger.debug("OnContentUpdate rule triggered fired for content; nodeId=" + nodeRef.getId() + "; newContent=" + newContent);
}
List parentsAssocRefs = this.nodeService.getParentAssocs(nodeRef);
for (ChildAssociationRef parentAssocRef : parentsAssocRefs)
{
triggerRules(parentAssocRef.getParentRef(), nodeRef);
}
}
else
{
triggerRules(nodeRef, nodeRef);
}
}
}
/**
* Indicates whether we are dealing with a zero length office document or not
*
* @param contentReader the content reader
* @return boolean true if zero length office document, false otherwise
*/
private boolean isZeroLengthOfficeDoc(ContentReader contentReader)
{
boolean result = false;
if (contentReader.getSize() == 0 &&
(MimetypeMap.MIMETYPE_WORD.equals(contentReader.getMimetype()) == true ||
MimetypeMap.MIMETYPE_EXCEL.equals(contentReader.getMimetype()) == true ||
MimetypeMap.MIMETYPE_PPT.equals(contentReader.getMimetype()) == true))
{
result = true;
}
return result;
}
}