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https://github.com/Alfresco/alfresco-community-repo.git
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ab4ca7177f
51903 to 54309 git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@54310 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
650 lines
24 KiB
Java
650 lines
24 KiB
Java
/*
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* Copyright (C) 2005-2013 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.rendition;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import java.util.Set;
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import org.alfresco.model.ContentModel;
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import org.alfresco.model.RenditionModel;
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import org.alfresco.repo.action.executer.ActionExecuter;
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import org.alfresco.repo.coci.CheckOutCheckInServicePolicies.BeforeCheckOut;
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import org.alfresco.repo.lock.LockServicePolicies.BeforeLock;
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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.repo.security.authentication.AuthenticationUtil;
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import org.alfresco.service.ServiceRegistry;
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import org.alfresco.service.cmr.action.ActionDefinition;
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import org.alfresco.service.cmr.action.ActionService;
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import org.alfresco.service.cmr.action.ActionTrackingService;
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import org.alfresco.service.cmr.action.ExecutionSummary;
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import org.alfresco.service.cmr.dictionary.DictionaryService;
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import org.alfresco.service.cmr.lock.LockType;
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import org.alfresco.service.cmr.rendition.CompositeRenditionDefinition;
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import org.alfresco.service.cmr.rendition.RenderCallback;
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import org.alfresco.service.cmr.rendition.RenderingEngineDefinition;
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import org.alfresco.service.cmr.rendition.RenditionDefinition;
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import org.alfresco.service.cmr.rendition.RenditionPreventedException;
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import org.alfresco.service.cmr.rendition.RenditionService;
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import org.alfresco.service.cmr.rendition.RenditionServiceException;
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import org.alfresco.service.cmr.repository.ChildAssociationRef;
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import org.alfresco.service.cmr.repository.ContentReader;
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import org.alfresco.service.cmr.repository.ContentService;
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import org.alfresco.service.cmr.repository.NodeRef;
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import org.alfresco.service.cmr.repository.NodeService;
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import org.alfresco.service.cmr.repository.StoreRef;
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import org.alfresco.service.namespace.QName;
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import org.alfresco.service.namespace.RegexQNamePattern;
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import org.alfresco.util.GUID;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/*
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* @author Nick Smith
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* @author Neil McErlean
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* @since 3.3
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*/
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public class RenditionServiceImpl implements
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RenditionService,
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RenditionDefinitionPersister,
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BeforeCheckOut,
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BeforeLock
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{
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private static final Log log = LogFactory.getLog(RenditionServiceImpl.class);
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private ActionService actionService;
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private ActionTrackingService actionTrackingService;
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private ContentService contentService;
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private DictionaryService dictionaryService;
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private NodeService nodeService;
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private PolicyComponent policyComponent;
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private RenditionDefinitionPersister renditionDefinitionPersister;
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/**
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* @since 4.0.1
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*/
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private RenditionPreventionRegistry renditionPreventionRegistry;
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/**
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* @since 4.1.6
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*/
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private List<String> knownCancellableActionTypes;
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/**
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* Injects the RenditionDefinitionPersister bean.
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* @param renditionDefinitionPersister
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*/
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public void setRenditionDefinitionPersister(RenditionDefinitionPersister renditionDefinitionPersister)
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{
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this.renditionDefinitionPersister = renditionDefinitionPersister;
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}
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/**
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* @since 4.0.1
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*/
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public void setRenditionPreventionRegistry(RenditionPreventionRegistry registry)
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{
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this.renditionPreventionRegistry = registry;
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}
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/**
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* Injects the ServiceRegistry bean.
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* @param serviceRegistry
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*/
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public void setServiceRegistry(ServiceRegistry serviceRegistry)
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{
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this.contentService = serviceRegistry.getContentService();
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this.nodeService = serviceRegistry.getNodeService();
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}
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/**
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* Injects the ActionService bean.
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* @param actionService
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*/
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public void setActionService(ActionService actionService)
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{
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this.actionService = actionService;
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}
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/**
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* Injects the ActionTrackingService bean.
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* @param actionTrackingService
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*/
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public void setActionTrackingService(ActionTrackingService actionTrackingService)
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{
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this.actionTrackingService = actionTrackingService;
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}
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/**
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* Injects the DictionaryService bean.
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* @param dictionaryService
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*/
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public void setDictionaryService(DictionaryService dictionaryService)
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{
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this.dictionaryService = dictionaryService;
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}
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/**
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* Injects the PolicyComponent bean.
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* @param policyComponent
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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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* Sets the list of known cancellable actions used by {@link #cancelRenditions(NodeRef)}.
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* @param knownCancellableActionTypes
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* @since 4.1.6
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*/
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public void setKnownCancellableActionTypes(List<String> knownCancellableActionTypes)
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{
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this.knownCancellableActionTypes = knownCancellableActionTypes;
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}
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public void init()
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{
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this.policyComponent.bindClassBehaviour(
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BeforeCheckOut.QNAME,
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ContentModel.TYPE_CONTENT,
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new JavaBehaviour(this, "beforeCheckOut"));
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this.policyComponent.bindClassBehaviour(
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BeforeLock.QNAME,
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ContentModel.TYPE_CONTENT,
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new JavaBehaviour(this, "beforeLock"));
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}
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/*
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* (non-Javadoc)
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* @see org.alfresco.service.cmr.rendition.RenditionService#getRenderingEngineDefinition(java.lang.String)
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*/
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public RenderingEngineDefinition getRenderingEngineDefinition(String name)
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{
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ActionDefinition actionDefinition = actionService.getActionDefinition(name);
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if (actionDefinition instanceof RenderingEngineDefinition)
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{
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return (RenderingEngineDefinition) actionDefinition;
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}
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else
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return null;
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}
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/*
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* (non-Javadoc)
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* @see org.alfresco.service.cmr.rendition.RenditionService#getRenderingEngineDefinitions()
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*/
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public List<RenderingEngineDefinition> getRenderingEngineDefinitions()
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{
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List<RenderingEngineDefinition> results = new ArrayList<RenderingEngineDefinition>();
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List<ActionDefinition> actionDefs = actionService.getActionDefinitions();
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for (ActionDefinition actionDef : actionDefs)
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{
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if (actionDef instanceof RenderingEngineDefinition)
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{
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RenderingEngineDefinition renderingDef = (RenderingEngineDefinition) actionDef;
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results.add(renderingDef);
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}
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}
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return results;
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}
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/*
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* (non-Javadoc)
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* @see
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* org.alfresco.service.cmr.rendition.RenditionService#createRenditionDefinition
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* (org.alfresco.service.namespace.QName, java.lang.String)
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*/
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public RenditionDefinition createRenditionDefinition(QName renditionDefinitionName, String renderingEngineName)
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{
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if (log.isDebugEnabled())
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{
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StringBuilder msg = new StringBuilder();
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msg.append("Creating rendition definition ")
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.append(renditionDefinitionName)
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.append(" ")
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.append(renderingEngineName);
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log.debug(msg.toString());
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}
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return new RenditionDefinitionImpl(GUID.generate(), renditionDefinitionName, renderingEngineName);
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}
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/*
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* (non-Javadoc)
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* @see org.alfresco.service.cmr.rendition.RenditionService#createCompositeRenditionDefinition(org.alfresco.service.namespace.QName)
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*/
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public CompositeRenditionDefinition createCompositeRenditionDefinition(QName renditionName)
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{
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if (log.isDebugEnabled())
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{
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StringBuilder msg = new StringBuilder();
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msg.append("Creating composite rendition definition ")
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.append(renditionName);
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log.debug(msg.toString());
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}
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return new CompositeRenditionDefinitionImpl(GUID.generate(), renditionName);
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}
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/*
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* (non-Javadoc)
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* @see org.alfresco.service.cmr.rendition.RenditionService#render(org.alfresco.service.cmr.repository.NodeRef, org.alfresco.service.cmr.rendition.RenditionDefinition)
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*/
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public ChildAssociationRef render(NodeRef sourceNode, RenditionDefinition definition)
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{
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checkSourceNodeForPreventionClass(sourceNode);
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ChildAssociationRef result = executeRenditionAction(sourceNode, definition, false);
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if (log.isDebugEnabled())
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{
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log.debug("Produced rendition " + result);
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}
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return result;
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}
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public void render(NodeRef sourceNode, RenditionDefinition definition,
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RenderCallback callback)
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{
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checkSourceNodeForPreventionClass(sourceNode);
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// The asynchronous render can't return a ChildAssociationRef as it is created
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// asynchronously after this method returns.
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definition.setCallback(callback);
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executeRenditionAction(sourceNode, definition, true);
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return;
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}
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/*
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* (non-Javadoc)
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* @see org.alfresco.service.cmr.rendition.RenditionService#render(org.alfresco.service.cmr.repository.NodeRef, org.alfresco.service.namespace.QName)
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*/
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public ChildAssociationRef render(NodeRef sourceNode, final QName renditionDefinitionQName)
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{
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checkSourceNodeForPreventionClass(sourceNode);
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RenditionDefinition rendDefn = AuthenticationUtil.runAs(
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new AuthenticationUtil.RunAsWork<RenditionDefinition>()
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{
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public RenditionDefinition doWork() throws Exception
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{
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return loadRenditionDefinition(renditionDefinitionQName);
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}
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}, AuthenticationUtil.getSystemUserName());
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if (rendDefn == null)
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{
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throw new RenditionServiceException("Rendition Definition " + renditionDefinitionQName + " was not found.");
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}
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return this.render(sourceNode, rendDefn);
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}
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/*
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* (non-Javadoc)
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* @see org.alfresco.service.cmr.rendition.RenditionService#render(org.alfresco.service.cmr.repository.NodeRef, org.alfresco.service.namespace.QName, org.alfresco.service.cmr.rendition.RenderCallback)
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*/
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public void render(NodeRef sourceNode, final QName renditionDefinitionQName, RenderCallback callback)
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{
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checkSourceNodeForPreventionClass(sourceNode);
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RenditionDefinition rendDefn = AuthenticationUtil.runAs(
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new AuthenticationUtil.RunAsWork<RenditionDefinition>()
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{
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public RenditionDefinition doWork() throws Exception
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{
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return loadRenditionDefinition(renditionDefinitionQName);
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}
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}, AuthenticationUtil.getSystemUserName());
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if (rendDefn == null)
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{
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throw new RenditionServiceException("Rendition Definition " + renditionDefinitionQName + " was not found.");
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}
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this.render(sourceNode, rendDefn, callback);
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}
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/**
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* This method checks whether the specified source node is of a content class which has been registered for rendition prevention.
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*
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* @param sourceNode the node to check.
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* @throws RenditionPreventedException if the source node is configured for rendition prevention.
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* @since 4.0.1
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* @see RenditionPreventionRegistry
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*/
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private void checkSourceNodeForPreventionClass(NodeRef sourceNode)
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{
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// A node's content class is its type and all its aspects.
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// We'll not check the source node for null and leave that to the rendering action.
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if (sourceNode != null && nodeService.exists(sourceNode))
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{
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Set<QName> nodeContentClasses = nodeService.getAspects(sourceNode);
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nodeContentClasses.add(nodeService.getType(sourceNode));
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for (QName contentClass : nodeContentClasses)
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{
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if (renditionPreventionRegistry.isContentClassRegistered(contentClass))
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{
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StringBuilder msg = new StringBuilder();
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msg.append("Node ").append(sourceNode)
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.append(" cannot be renditioned as it is of class ").append(contentClass);
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if (log.isDebugEnabled())
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{
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log.debug(msg.toString());
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}
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throw new RenditionPreventedException(msg.toString());
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}
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}
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}
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}
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/**
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* This method delegates the execution of the specified RenditionDefinition
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* to the {@link ActionService action service}.
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*
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* @param sourceNode the source node which is to be rendered.
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* @param definition the rendition definition to be used.
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* @param asynchronous <code>true</code> for asynchronous execution,
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* <code>false</code> for synchronous.
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* @return the ChildAssociationRef whose child is the rendition node.
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*/
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private ChildAssociationRef executeRenditionAction(NodeRef sourceNode,
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RenditionDefinition definition, boolean asynchronous)
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{
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if (log.isDebugEnabled())
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{
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StringBuilder msg = new StringBuilder();
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if (asynchronous)
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{
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msg.append("Asynchronously");
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}
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else
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{
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msg.append("Synchronously");
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}
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msg.append(" rendering node ").append(sourceNode)
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.append(" with ").append(definition.getRenditionName());
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log.debug(msg.toString());
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}
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final boolean checkConditions = true;
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actionService.executeAction(definition, sourceNode, checkConditions, asynchronous);
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ChildAssociationRef result = (ChildAssociationRef)definition.getParameterValue(ActionExecuter.PARAM_RESULT);
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return result;
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}
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/*
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* (non-Javadoc)
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* @see
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* org.alfresco.service.cmr.rendition.RenditionService#saveRenditionDefinition
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* (org.alfresco.service.cmr.rendition.RenditionDefinition)
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*/
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public void saveRenditionDefinition(RenditionDefinition renderingAction)
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{
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this.renditionDefinitionPersister.saveRenditionDefinition(renderingAction);
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}
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/*
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* @see
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* org.alfresco.service.cmr.rendition.RenditionService#loadRenderingAction
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* (org.alfresco.service.namespace.QName)
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*/
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public RenditionDefinition loadRenditionDefinition(QName renditionDefinitionName)
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{
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return this.renditionDefinitionPersister.loadRenditionDefinition(renditionDefinitionName);
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}
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/*
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* (non-Javadoc)
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* @see org.alfresco.service.cmr.rendition.RenditionService#loadRenditionDefinitions()
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*/
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public List<RenditionDefinition> loadRenditionDefinitions()
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{
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return this.renditionDefinitionPersister.loadRenditionDefinitions();
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}
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/*
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* (non-Javadoc)
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* @see
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* org.alfresco.service.cmr.rendition.RenditionService#loadRenderingActions
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* (java.lang.String)
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*/
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public List<RenditionDefinition> loadRenditionDefinitions(String renditionEngineName)
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{
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return this.renditionDefinitionPersister.loadRenditionDefinitions(renditionEngineName);
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}
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/*
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* (non-Javadoc)
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* @see
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* org.alfresco.service.cmr.rendition.RenditionService#getRenditions(org
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* .alfresco.service.cmr.repository.NodeRef)
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*/
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public List<ChildAssociationRef> getRenditions(NodeRef node)
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{
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List<ChildAssociationRef> result = Collections.emptyList();
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// Check that the node has the renditioned aspect applied
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if (nodeService.hasAspect(node, RenditionModel.ASPECT_RENDITIONED) == true)
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{
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// Get all the renditions that match the given rendition name
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result = nodeService.getChildAssocs(node, RenditionModel.ASSOC_RENDITION, RegexQNamePattern.MATCH_ALL);
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result = removeArchivedRenditionsFrom(result);
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}
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return result;
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}
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private List<ChildAssociationRef> removeArchivedRenditionsFrom(List<ChildAssociationRef> renditionAssocs)
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{
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// This is a workaround for a bug in the NodeService (no JIRA number yet) whereby a call to
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// nodeService.getChildAssocs can return all children, including children in the archive store.
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List<ChildAssociationRef> result = new ArrayList<ChildAssociationRef>();
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for (ChildAssociationRef chAssRef : renditionAssocs)
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{
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// If the rendition has *not* been deleted, then it should remain in the result list.
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if (chAssRef.getChildRef().getStoreRef().equals(StoreRef.STORE_REF_ARCHIVE_SPACESSTORE) == false)
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{
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result.add(chAssRef);
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}
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}
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return result;
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}
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/*
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* (non-Javadoc)
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* @see
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* org.alfresco.service.cmr.rendition.RenditionService#getRenditions(org
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* .alfresco.service.cmr.repository.NodeRef, java.lang.String)
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*/
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public List<ChildAssociationRef> getRenditions(NodeRef node, String mimeTypePrefix)
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{
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List<ChildAssociationRef> allRenditions = this.getRenditions(node);
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List<ChildAssociationRef> filteredResults = new ArrayList<ChildAssociationRef>();
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for (ChildAssociationRef chAssRef : allRenditions)
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{
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NodeRef renditionNode = chAssRef.getChildRef();
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QName contentProperty = ContentModel.PROP_CONTENT;
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Serializable contentPropertyName = nodeService.getProperty(renditionNode,
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ContentModel.PROP_CONTENT_PROPERTY_NAME);
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if (contentPropertyName != null)
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{
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contentProperty = (QName) contentPropertyName;
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}
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ContentReader reader = contentService.getReader(renditionNode, contentProperty);
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if (reader != null && reader.exists())
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{
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String readerMimeType = reader.getMimetype();
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if (readerMimeType.startsWith(mimeTypePrefix))
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{
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|
filteredResults.add(chAssRef);
|
|
}
|
|
|
|
}
|
|
}
|
|
filteredResults = removeArchivedRenditionsFrom(filteredResults);
|
|
|
|
return filteredResults;
|
|
}
|
|
|
|
/*
|
|
* (non-Javadoc)
|
|
* @see org.alfresco.service.cmr.rendition.RenditionService#getRenditionByName(org.alfresco.service.cmr.repository.NodeRef, org.alfresco.service.namespace.QName)
|
|
*/
|
|
public ChildAssociationRef getRenditionByName(NodeRef node, QName renditionName)
|
|
{
|
|
List<ChildAssociationRef> renditions = Collections.emptyList();
|
|
|
|
// Check that the node has the renditioned aspect applied
|
|
if (nodeService.hasAspect(node, RenditionModel.ASPECT_RENDITIONED) == true)
|
|
{
|
|
// Get all the renditions that match the given rendition name -
|
|
// there should only be 1 (or 0)
|
|
renditions = this.nodeService.getChildAssocs(node, RenditionModel.ASSOC_RENDITION, renditionName);
|
|
renditions = this.removeArchivedRenditionsFrom(renditions);
|
|
}
|
|
if (renditions.isEmpty())
|
|
{
|
|
return null;
|
|
}
|
|
else
|
|
{
|
|
if (renditions.size() > 1 && log.isDebugEnabled())
|
|
{
|
|
log.debug("Unexpectedly found " + renditions.size() + " renditions of name " + renditionName + " on node " + node);
|
|
}
|
|
return renditions.get(0);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* (non-Javadoc)
|
|
* @see org.alfresco.service.cmr.rendition.RenditionService#isRendition(org.alfresco.service.cmr.repository.NodeRef)
|
|
*/
|
|
public boolean isRendition(NodeRef node)
|
|
{
|
|
final QName aspectToCheckFor = RenditionModel.ASPECT_RENDITION;
|
|
|
|
Set<QName> existingAspects = nodeService.getAspects(node);
|
|
for (QName nextAspect : existingAspects)
|
|
{
|
|
if (nextAspect.equals(aspectToCheckFor) || dictionaryService.isSubClass(nextAspect, aspectToCheckFor))
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
* (non-Javadoc)
|
|
* @see org.alfresco.service.cmr.rendition.RenditionService#getSourceNode(org.alfresco.service.cmr.repository.NodeRef)
|
|
*/
|
|
public ChildAssociationRef getSourceNode(NodeRef renditionNode)
|
|
{
|
|
// In normal circumstances only a node which is itself a rendition can have
|
|
// a source node - as linked by the rn:rendition association.
|
|
//
|
|
// However there are some circumstances where a node which is not
|
|
// technically a rendition can still have a source. One such example is the case
|
|
// of thumbnail nodes created in a pre-3.3 Alfresco which have not been patched
|
|
// to have the correct rendition aspect applied.
|
|
// This will also occur *during* execution of the webscript patch and so the
|
|
// decision was made not to throw an exception or log a warning if such a
|
|
// situation is encountered.
|
|
|
|
// A rendition node should have 1 and only 1 source node.
|
|
List<ChildAssociationRef> parents = nodeService.getParentAssocs(renditionNode,
|
|
RenditionModel.ASSOC_RENDITION, RegexQNamePattern.MATCH_ALL);
|
|
if (parents.size() > 1)
|
|
{
|
|
StringBuilder msg = new StringBuilder();
|
|
msg.append("NodeRef ")
|
|
.append(renditionNode)
|
|
.append(" unexpectedly has ")
|
|
.append(parents.size())
|
|
.append(" rendition parents.");
|
|
if (log.isWarnEnabled())
|
|
{
|
|
log.warn(msg.toString());
|
|
}
|
|
throw new RenditionServiceException(msg.toString());
|
|
}
|
|
else
|
|
{
|
|
return parents.isEmpty() ? null : parents.get(0);
|
|
}
|
|
}
|
|
|
|
public void cancelRenditions(NodeRef sourceNode)
|
|
{
|
|
if (knownCancellableActionTypes == null)
|
|
{
|
|
return;
|
|
}
|
|
for (String type : knownCancellableActionTypes)
|
|
{
|
|
cancelRenditions(sourceNode, type);
|
|
}
|
|
}
|
|
|
|
public void cancelRenditions(NodeRef sourceNode, String type)
|
|
{
|
|
if (log.isDebugEnabled())
|
|
{
|
|
log.debug("cancelling renditions of type " + type + " on nodeRef: " + sourceNode.toString());
|
|
}
|
|
List<ExecutionSummary> executionSummaries = actionTrackingService.getExecutingActions(type, sourceNode);
|
|
for (ExecutionSummary executionSummary : executionSummaries)
|
|
{
|
|
actionTrackingService.requestActionCancellation(executionSummary);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void beforeCheckOut(
|
|
NodeRef nodeRef,
|
|
NodeRef destinationParentNodeRef,
|
|
QName destinationAssocTypeQName,
|
|
QName destinationAssocQName)
|
|
{
|
|
cancelRenditions(nodeRef);
|
|
}
|
|
|
|
@Override
|
|
public void beforeLock(NodeRef nodeRef, LockType lockType)
|
|
{
|
|
cancelRenditions(nodeRef);
|
|
}
|
|
}
|