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https://github.com/Alfresco/alfresco-community-repo.git
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cefda8c965
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@18931 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
93 lines
3.1 KiB
Java
93 lines
3.1 KiB
Java
/*
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* Copyright (C) 2005-2010 Alfresco Software Limited.
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*
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* This file is part of Alfresco
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*
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* Alfresco is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Alfresco is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.alfresco.repo.avm;
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import org.alfresco.repo.action.executer.ContentMetadataExtracter;
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import org.alfresco.repo.content.ContentServicePolicies;
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import org.alfresco.repo.policy.JavaBehaviour;
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import org.alfresco.repo.policy.PolicyComponent;
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import org.alfresco.service.cmr.repository.NodeRef;
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import org.alfresco.service.cmr.repository.StoreRef;
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import org.alfresco.service.namespace.NamespaceService;
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import org.alfresco.service.namespace.QName;
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/**
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* A component that listens for changes to the content
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*
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* @since 2.1
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* @author Derek Hulley
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*/
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public class AvmMetadataExtracter
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implements ContentServicePolicies.OnContentUpdatePolicy
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{
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/** the component to register the behaviour with */
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private PolicyComponent policyComponent;
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/** the action that will do the work */
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private ContentMetadataExtracter extracterAction;
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/**
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* @param policyComponent used for registrations
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*/
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public void setPolicyComponent(PolicyComponent policyComponent)
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{
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this.policyComponent = policyComponent;
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}
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/**
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* @param extracterAction the action that will perform the actual extraction
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*/
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public void setExtracterAction(ContentMetadataExtracter extracterAction)
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{
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this.extracterAction = extracterAction;
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}
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/**
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* Registers the policy behaviour methods
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*/
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public void init()
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{
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policyComponent.bindClassBehaviour(
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QName.createQName(NamespaceService.ALFRESCO_URI, "onContentUpdate"),
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this,
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new JavaBehaviour(this, "onContentUpdate"));
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}
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/**
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* When the content changes, the metadata is extracted.
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*/
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public void onContentUpdate(NodeRef nodeRef, boolean newContent)
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{
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/*
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* The use of the action here is a supreme hack. The code within the action is
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* what we are after and it would be a shame to duplicate it. Also, it is the
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* intention that rules will eventually work against AVM, making this class
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* obsolete.
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*/
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// Ignore everything non-AVM
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if (!nodeRef.getStoreRef().getProtocol().equals(StoreRef.PROTOCOL_AVM))
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{
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return;
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}
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// We extract the content whether it is new or not
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extracterAction.executeImpl(null, nodeRef);
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}
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}
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