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https://github.com/Alfresco/alfresco-community-repo.git
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245770e049
- Fixed derived code to remove the implementations git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/DEV/5.2.N/root@131256 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
966 lines
39 KiB
Java
966 lines
39 KiB
Java
/*
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* #%L
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* Alfresco Repository
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* %%
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* Copyright (C) 2005 - 2016 Alfresco Software Limited
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* %%
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* This file is part of the Alfresco software.
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* If the software was purchased under a paid Alfresco license, the terms of
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* the paid license agreement will prevail. Otherwise, the software is
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* provided under the following open source license terms:
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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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* #L%
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*/
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package org.alfresco.repo.content;
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import java.io.File;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import org.alfresco.error.AlfrescoRuntimeException;
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import org.alfresco.model.ContentModel;
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import org.alfresco.repo.content.ContentServicePolicies.OnContentPropertyUpdatePolicy;
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import org.alfresco.repo.content.ContentServicePolicies.OnContentReadPolicy;
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import org.alfresco.repo.content.ContentServicePolicies.OnContentUpdatePolicy;
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import org.alfresco.repo.content.cleanup.EagerContentStoreCleaner;
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import org.alfresco.repo.content.filestore.FileContentStore;
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import org.alfresco.repo.content.filestore.FileContentWriter;
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import org.alfresco.repo.content.transform.ContentTransformer;
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import org.alfresco.repo.content.transform.ContentTransformerRegistry;
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import org.alfresco.repo.content.transform.TransformerDebug;
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import org.alfresco.repo.content.transform.UnimportantTransformException;
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import org.alfresco.repo.content.transform.UnsupportedTransformationException;
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import org.alfresco.repo.node.NodeServicePolicies;
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import org.alfresco.repo.policy.ClassPolicyDelegate;
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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.transaction.RetryingTransactionHelper;
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import org.alfresco.service.cmr.dictionary.DataTypeDefinition;
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import org.alfresco.service.cmr.dictionary.DictionaryService;
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import org.alfresco.service.cmr.dictionary.InvalidTypeException;
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import org.alfresco.service.cmr.dictionary.PropertyDefinition;
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import org.alfresco.service.cmr.repository.ContentData;
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import org.alfresco.service.cmr.repository.ContentIOException;
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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.ContentWriter;
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import org.alfresco.service.cmr.repository.MimetypeService;
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import org.alfresco.service.cmr.repository.MimetypeServiceAware;
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import org.alfresco.service.cmr.repository.NoTransformerException;
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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.TransformationOptions;
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import org.alfresco.service.cmr.usage.ContentQuotaException;
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import org.alfresco.service.namespace.QName;
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import org.alfresco.util.EqualsHelper;
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import org.alfresco.util.TempFileProvider;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.springframework.beans.BeansException;
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import org.springframework.context.ApplicationContext;
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import org.springframework.context.ApplicationContextAware;
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import org.springframework.extensions.surf.util.I18NUtil;
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/**
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* Service implementation acting as a level of indirection between the client
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* and the underlying content store.
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* <p>
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* Note: This class was formerly the {@link RoutingContentService} but the
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* 'routing' functionality has been pushed into the {@link AbstractRoutingContentStore store}
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* implementations.
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*
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* @author Derek Hulley
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* @since 3.2
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*/
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public class ContentServiceImpl implements ContentService, ApplicationContextAware
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{
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private static Log logger = LogFactory.getLog(ContentServiceImpl.class);
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private DictionaryService dictionaryService;
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private NodeService nodeService;
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private MimetypeService mimetypeService;
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private RetryingTransactionHelper transactionHelper;
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private ApplicationContext applicationContext;
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protected TransformerDebug transformerDebug;
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/** a registry of all available content transformers */
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private ContentTransformerRegistry transformerRegistry;
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/** The cleaner that will ensure that rollbacks clean up after themselves */
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private EagerContentStoreCleaner eagerContentStoreCleaner;
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/** the store to use. Any multi-store support is provided by the store implementation. */
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private ContentStore store;
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/** the store for all temporarily created content */
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private ContentStore tempStore;
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private ContentTransformer imageMagickContentTransformer;
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/** Should we consider zero byte content to be the same as no content? */
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private boolean ignoreEmptyContent;
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private boolean transformerFailover = true;
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/**
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* The policy component
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*/
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private PolicyComponent policyComponent;
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/*
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* Policies delegates
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*/
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ClassPolicyDelegate<ContentServicePolicies.OnContentUpdatePolicy> onContentUpdateDelegate;
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ClassPolicyDelegate<ContentServicePolicies.OnContentPropertyUpdatePolicy> onContentPropertyUpdateDelegate;
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ClassPolicyDelegate<ContentServicePolicies.OnContentReadPolicy> onContentReadDelegate;
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public void setRetryingTransactionHelper(RetryingTransactionHelper helper)
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{
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this.transactionHelper = helper;
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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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public void setNodeService(NodeService nodeService)
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{
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this.nodeService = nodeService;
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}
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public void setMimetypeService(MimetypeService mimetypeService)
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{
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this.mimetypeService = mimetypeService;
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}
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public void setTransformerRegistry(ContentTransformerRegistry transformerRegistry)
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{
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this.transformerRegistry = transformerRegistry;
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}
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public void setEagerContentStoreCleaner(EagerContentStoreCleaner eagerContentStoreCleaner)
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{
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this.eagerContentStoreCleaner = eagerContentStoreCleaner;
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}
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public void setStore(ContentStore store)
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{
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this.store = store;
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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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public void setImageMagickContentTransformer(ContentTransformer imageMagickContentTransformer)
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{
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this.imageMagickContentTransformer = imageMagickContentTransformer;
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}
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public void setIgnoreEmptyContent(boolean ignoreEmptyContent)
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{
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this.ignoreEmptyContent = ignoreEmptyContent;
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}
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/**
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* Allows fail over form one transformer to another when there is
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* more than one transformer available. The cost is that the output
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* of the transformer must go to a temporary file in case it fails.
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* @param transformerFailover {@code true} (the default) indicate
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* that fail over should take place.
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*/
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public void setTransformerFailover(boolean transformerFailover)
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{
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this.transformerFailover = transformerFailover;
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}
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/* (non-Javadoc)
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* @see org.springframework.context.ApplicationContextAware#setApplicationContext(org.springframework.context.ApplicationContext)
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*/
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public void setApplicationContext(ApplicationContext applicationContext) throws BeansException
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{
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this.applicationContext = applicationContext;
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}
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/**
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* Helper setter of the transformer debug.
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* @param transformerDebug TransformerDebug
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*/
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public void setTransformerDebug(TransformerDebug transformerDebug)
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{
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this.transformerDebug = transformerDebug;
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}
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/**
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* Service initialise
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*/
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public void init()
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{
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// Set up a temporary store
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this.tempStore = new FileContentStore(this.applicationContext, TempFileProvider.getTempDir().getAbsolutePath());
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// Bind on update properties behaviour
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this.policyComponent.bindClassBehaviour(
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NodeServicePolicies.OnUpdatePropertiesPolicy.QNAME,
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this,
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new JavaBehaviour(this, "onUpdateProperties"));
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// Register on content update policy
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this.onContentUpdateDelegate = this.policyComponent.registerClassPolicy(OnContentUpdatePolicy.class);
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this.onContentPropertyUpdateDelegate = this.policyComponent.registerClassPolicy(OnContentPropertyUpdatePolicy.class);
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this.onContentReadDelegate = this.policyComponent.registerClassPolicy(OnContentReadPolicy.class);
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}
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/**
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* Update properties policy behaviour
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*
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* @param nodeRef the node reference
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* @param before the before values of the properties
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* @param after the after values of the properties
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*/
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public void onUpdateProperties(
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NodeRef nodeRef,
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Map<QName, Serializable> before,
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Map<QName, Serializable> after)
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{
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// ALF-254: empty files (0 bytes) do not trigger content rules
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if (nodeService.hasAspect(nodeRef, ContentModel.ASPECT_NO_CONTENT))
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{
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return;
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}
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// Don't duplicate work when firing multiple policies
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Set<QName> types = null;
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OnContentPropertyUpdatePolicy propertyPolicy = null; // Doesn't change for the node instance
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// Variables to control firing of node-level policies (any content change)
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boolean fire = false;
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boolean isNewContent = false;
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// check if any of the content properties have changed
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for (QName propertyQName : after.keySet())
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{
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// is this a content property?
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PropertyDefinition propertyDef = dictionaryService.getProperty(propertyQName);
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if (propertyDef == null)
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{
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// the property is not recognised
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continue;
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}
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else if (!propertyDef.getDataType().getName().equals(DataTypeDefinition.CONTENT))
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{
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// not a content type
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continue;
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}
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else if (propertyDef.isMultiValued())
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{
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// We don't fire notifications for multi-valued content properties
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continue;
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}
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try
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{
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ContentData beforeValue = (ContentData) before.get(propertyQName);
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ContentData afterValue = (ContentData) after.get(propertyQName);
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boolean hasContentBefore = ContentData.hasContent(beforeValue)
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&& (!ignoreEmptyContent || beforeValue.getSize() > 0);
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boolean hasContentAfter = ContentData.hasContent(afterValue)
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&& (!ignoreEmptyContent || afterValue.getSize() > 0);
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// There are some shortcuts here
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if (!hasContentBefore && !hasContentAfter)
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{
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// Really, nothing happened
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continue;
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}
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else if (EqualsHelper.nullSafeEquals(beforeValue, afterValue))
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{
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// Still, nothing happening
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continue;
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}
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// Check for new content
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isNewContent = isNewContent || !hasContentBefore && hasContentAfter;
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// Make it clear when there's no content before or after
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if (!hasContentBefore)
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{
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beforeValue = null;
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}
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if (!hasContentAfter)
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{
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afterValue = null;
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}
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// So debug ...
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if (logger.isDebugEnabled())
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{
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String name = (String) nodeService.getProperty(nodeRef, ContentModel.PROP_NAME);
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logger.debug(
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"Content property updated: \n" +
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" Node Name: " + name + "\n" +
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" Property: " + propertyQName + "\n" +
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" Is new: " + isNewContent + "\n" +
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" Before: " + beforeValue + "\n" +
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" After: " + afterValue);
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}
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// Fire specific policy
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types = getTypes(nodeRef, types);
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if (propertyPolicy == null)
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{
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propertyPolicy = onContentPropertyUpdateDelegate.get(nodeRef, types);
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}
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propertyPolicy.onContentPropertyUpdate(nodeRef, propertyQName, beforeValue, afterValue);
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// We also fire an event if *any* content property is changed
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fire = true;
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}
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catch (ClassCastException e)
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{
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// properties don't conform to model
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continue;
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}
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}
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// fire?
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if (fire)
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{
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// Fire the content update policy
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types = getTypes(nodeRef, types);
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OnContentUpdatePolicy policy = onContentUpdateDelegate.get(nodeRef, types);
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policy.onContentUpdate(nodeRef, isNewContent);
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}
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}
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/**
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* Helper method to lazily populate the types associated with a node
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*
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* @param nodeRef the node
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* @param types any existing types
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* @return the types - either newly populated or just what was passed in
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*/
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private Set<QName> getTypes(NodeRef nodeRef, Set<QName> types)
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{
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if (types != null)
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{
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return types;
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}
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types = new HashSet<QName>(this.nodeService.getAspects(nodeRef));
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types.add(this.nodeService.getType(nodeRef));
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return types;
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}
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@Override
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public long getStoreFreeSpace()
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{
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return store.getSpaceFree();
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}
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@Override
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public long getStoreTotalSpace()
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{
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return store.getSpaceTotal();
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}
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/** {@inheritDoc} */
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public ContentReader getRawReader(String contentUrl)
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{
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ContentReader reader = null;
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try
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{
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reader = store.getReader(contentUrl);
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}
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catch (UnsupportedContentUrlException e)
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{
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// The URL is not supported, so we spoof it
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reader = new EmptyContentReader(contentUrl);
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}
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if (reader == null)
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{
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throw new AlfrescoRuntimeException("ContentStore implementations may not return null ContentReaders");
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}
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// set extra data on the reader
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reader.setMimetype(MimetypeMap.MIMETYPE_BINARY);
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reader.setEncoding("UTF-8");
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reader.setLocale(I18NUtil.getLocale());
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// Done
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if (logger.isDebugEnabled())
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{
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logger.debug(
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"Direct request for reader: \n" +
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" Content URL: " + contentUrl + "\n" +
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" Reader: " + reader);
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}
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return reader;
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}
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public ContentReader getReader(NodeRef nodeRef, QName propertyQName)
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{
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return getReader(nodeRef, propertyQName, true);
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}
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@SuppressWarnings("unchecked")
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private ContentReader getReader(NodeRef nodeRef, QName propertyQName, boolean fireContentReadPolicy)
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{
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ContentData contentData = null;
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Serializable propValue = nodeService.getProperty(nodeRef, propertyQName);
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if (propValue instanceof Collection)
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{
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Collection<Serializable> colPropValue = (Collection<Serializable>)propValue;
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if (colPropValue.size() > 0)
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{
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propValue = colPropValue.iterator().next();
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}
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}
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if (propValue instanceof ContentData)
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{
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contentData = (ContentData)propValue;
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}
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if (contentData == null)
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{
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PropertyDefinition contentPropDef = dictionaryService.getProperty(propertyQName);
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// if no value or a value other content, and a property definition has been provided, ensure that it's CONTENT or ANY
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if (contentPropDef != null &&
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(!(contentPropDef.getDataType().getName().equals(DataTypeDefinition.CONTENT) ||
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contentPropDef.getDataType().getName().equals(DataTypeDefinition.ANY))))
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{
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throw new InvalidTypeException("The node property must be of type content: \n" +
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" node: " + nodeRef + "\n" +
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" property name: " + propertyQName + "\n" +
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" property type: " + ((contentPropDef == null) ? "unknown" : contentPropDef.getDataType()),
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propertyQName);
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}
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}
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// check that the URL is available
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if (contentData == null || contentData.getContentUrl() == null)
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{
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// there is no URL - the interface specifies that this is not an error condition
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return null;
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}
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String contentUrl = contentData.getContentUrl();
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// The context of the read is entirely described by the URL
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ContentReader reader = store.getReader(contentUrl);
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if (reader == null)
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{
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throw new AlfrescoRuntimeException("ContentStore implementations may not return null ContentReaders");
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}
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// set extra data on the reader
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reader.setMimetype(contentData.getMimetype());
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reader.setEncoding(contentData.getEncoding());
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reader.setLocale(contentData.getLocale());
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// Fire the content read policy
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if (reader != null && fireContentReadPolicy == true)
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{
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// Fire the content update policy
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Set<QName> types = new HashSet<QName>(this.nodeService.getAspects(nodeRef));
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types.add(this.nodeService.getType(nodeRef));
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OnContentReadPolicy policy = this.onContentReadDelegate.get(nodeRef, types);
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policy.onContentRead(nodeRef);
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}
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// we don't listen for anything
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// result may be null - but interface contract says we may return null
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return reader;
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}
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public ContentWriter getWriter(NodeRef nodeRef, QName propertyQName, boolean update)
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{
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if (nodeRef == null)
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{
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ContentContext ctx = new ContentContext(null, null);
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// for this case, we just give back a valid URL into the content store
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ContentWriter writer = store.getWriter(ctx);
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// Register the new URL for rollback cleanup
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eagerContentStoreCleaner.registerNewContentUrl(writer.getContentUrl());
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// done
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return writer;
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}
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// check for an existing URL - the get of the reader will perform type checking
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ContentReader existingContentReader = getReader(nodeRef, propertyQName, false);
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// get the content using the (potentially) existing content - the new content
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// can be wherever the store decides.
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ContentContext ctx = new NodeContentContext(existingContentReader, null, nodeRef, propertyQName);
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ContentWriter writer = store.getWriter(ctx);
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// Register the new URL for rollback cleanup
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eagerContentStoreCleaner.registerNewContentUrl(writer.getContentUrl());
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Serializable contentValue = nodeService.getProperty(nodeRef, propertyQName);
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// set extra data on the reader if the property is pre-existing
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if (contentValue != null && contentValue instanceof ContentData)
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{
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ContentData contentData = (ContentData)contentValue;
|
|
writer.setMimetype(contentData.getMimetype());
|
|
writer.setEncoding(contentData.getEncoding());
|
|
writer.setLocale(contentData.getLocale());
|
|
}
|
|
|
|
// attach a listener if required
|
|
if (update)
|
|
{
|
|
// need a listener to update the node when the stream closes
|
|
WriteStreamListener listener = new WriteStreamListener(nodeService, nodeRef, propertyQName, writer);
|
|
listener.setRetryingTransactionHelper(transactionHelper);
|
|
writer.addListener(listener);
|
|
|
|
}
|
|
|
|
// supply the writer with a copy of the mimetype service if needed
|
|
if (writer instanceof MimetypeServiceAware)
|
|
{
|
|
((MimetypeServiceAware)writer).setMimetypeService(mimetypeService);
|
|
}
|
|
|
|
// give back to the client
|
|
return writer;
|
|
}
|
|
|
|
/**
|
|
* @return Returns a writer to an anonymous location
|
|
*/
|
|
public ContentWriter getTempWriter()
|
|
{
|
|
// there is no existing content and we don't specify the location of the new content
|
|
return tempStore.getWriter(ContentContext.NULL_CONTEXT);
|
|
}
|
|
|
|
/**
|
|
* @see org.alfresco.repo.content.transform.ContentTransformerRegistry
|
|
* @see org.alfresco.repo.content.transform.ContentTransformer
|
|
* @see org.alfresco.service.cmr.repository.ContentService#transform(org.alfresco.service.cmr.repository.ContentReader, org.alfresco.service.cmr.repository.ContentWriter)
|
|
*/
|
|
public void transform(ContentReader reader, ContentWriter writer)
|
|
{
|
|
// Call transform with no options
|
|
TransformationOptions options = new TransformationOptions();
|
|
this.transform(reader, writer, options);
|
|
}
|
|
|
|
/**
|
|
* @see org.alfresco.repo.content.transform.ContentTransformerRegistry
|
|
* @see org.alfresco.repo.content.transform.ContentTransformer
|
|
* @deprecated
|
|
*/
|
|
public void transform(ContentReader reader, ContentWriter writer, Map<String, Object> options)
|
|
throws NoTransformerException, ContentIOException
|
|
{
|
|
transform(reader, writer, new TransformationOptions(options));
|
|
}
|
|
|
|
/**
|
|
* @see org.alfresco.repo.content.transform.ContentTransformerRegistry
|
|
* @see org.alfresco.repo.content.transform.ContentTransformer
|
|
*/
|
|
public void transform(ContentReader reader, ContentWriter writer, TransformationOptions options)
|
|
throws NoTransformerException, ContentIOException
|
|
{
|
|
// check that source and target mimetypes are available
|
|
if (reader == null)
|
|
{
|
|
throw new AlfrescoRuntimeException("The content reader must be set");
|
|
}
|
|
String sourceMimetype = reader.getMimetype();
|
|
if (sourceMimetype == null)
|
|
{
|
|
throw new AlfrescoRuntimeException("The content reader mimetype must be set: " + reader);
|
|
}
|
|
String targetMimetype = writer.getMimetype();
|
|
if (targetMimetype == null)
|
|
{
|
|
throw new AlfrescoRuntimeException("The content writer mimetype must be set: " + writer);
|
|
}
|
|
|
|
long sourceSize = reader.getSize();
|
|
try
|
|
{
|
|
// look for a transformer
|
|
transformerDebug.pushAvailable(reader.getContentUrl(), sourceMimetype, targetMimetype, options);
|
|
List<ContentTransformer> transformers = getActiveTransformers(sourceMimetype, sourceSize, targetMimetype, options);
|
|
transformerDebug.availableTransformers(transformers, sourceSize, options, "ContentService.transform(...)");
|
|
|
|
int count = transformers.size();
|
|
if (count == 0)
|
|
{
|
|
throw new NoTransformerException(sourceMimetype, targetMimetype);
|
|
}
|
|
|
|
if (count == 1 || !transformerFailover)
|
|
{
|
|
ContentTransformer transformer = transformers.size() == 0 ? null : transformers.get(0);
|
|
transformer.transform(reader, writer, options);
|
|
}
|
|
else
|
|
{
|
|
failoverTransformers(reader, writer, options, targetMimetype, transformers);
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
if (transformerDebug.isEnabled())
|
|
{
|
|
transformerDebug.popAvailable();
|
|
debugTransformations(sourceMimetype, targetMimetype, sourceSize, options);
|
|
}
|
|
}
|
|
}
|
|
|
|
private void failoverTransformers(ContentReader reader, ContentWriter writer,
|
|
TransformationOptions options, String targetMimetype,
|
|
List<ContentTransformer> transformers)
|
|
{
|
|
List<AlfrescoRuntimeException> exceptions = null;
|
|
boolean done = false;
|
|
try
|
|
{
|
|
// Try the best transformer and then the next if it fails
|
|
// and so on down the list
|
|
char c = 'a';
|
|
String outputFileExt = mimetypeService.getExtension(targetMimetype);
|
|
for (ContentTransformer transformer : transformers)
|
|
{
|
|
ContentWriter currentWriter = writer;
|
|
File tempFile = null;
|
|
try
|
|
{
|
|
// We can't know in advance which of the
|
|
// available transformer will work - if any.
|
|
// We can't write into the ContentWriter stream.
|
|
// So make a temporary file writer with the
|
|
// current transformer name.
|
|
tempFile = TempFileProvider.createTempFile(
|
|
"FailoverTransformer_intermediate_"
|
|
+ transformer.getClass().getSimpleName() + "_", "."
|
|
+ outputFileExt);
|
|
currentWriter = new FileContentWriter(tempFile);
|
|
currentWriter.setMimetype(targetMimetype);
|
|
currentWriter.setEncoding(writer.getEncoding());
|
|
|
|
if (c != 'a' && transformerDebug.isEnabled())
|
|
{
|
|
transformerDebug.debug("");
|
|
transformerDebug.debug("Try " + c + ")");
|
|
}
|
|
c++;
|
|
|
|
transformer.transform(reader, currentWriter, options);
|
|
|
|
if (tempFile != null)
|
|
{
|
|
writer.putContent(tempFile);
|
|
}
|
|
|
|
// No need to close input or output streams
|
|
// (according
|
|
// to comment in FailoverContentTransformer)
|
|
done = true;
|
|
return;
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
if (exceptions == null)
|
|
{
|
|
exceptions = new ArrayList<AlfrescoRuntimeException>();
|
|
}
|
|
if (!(e instanceof AlfrescoRuntimeException))
|
|
{
|
|
e = new AlfrescoRuntimeException(e.getMessage(), e);
|
|
}
|
|
exceptions.add((AlfrescoRuntimeException)e);
|
|
|
|
// Set a new reader to refresh the input stream.
|
|
reader = reader.getReader();
|
|
}
|
|
}
|
|
// Throw the exception from the first transformer. The
|
|
// others are consumed.
|
|
if (exceptions != null)
|
|
{
|
|
throw exceptions.get(0);
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
// Log exceptions that we have consumed. We may have thrown the first one if
|
|
// none of the transformers worked.
|
|
if (exceptions != null)
|
|
{
|
|
boolean first = true;
|
|
for (Exception e : exceptions)
|
|
{
|
|
Throwable rootCause = (e instanceof AlfrescoRuntimeException) ? ((AlfrescoRuntimeException)e).getRootCause() : null;
|
|
String message = (rootCause == null ? null : rootCause.getMessage());
|
|
if (done)
|
|
{
|
|
message = "Transformer succeeded after previous transformer failed"+ (message == null ? "" : ": "+message);
|
|
if (rootCause instanceof UnsupportedTransformationException ||
|
|
rootCause instanceof UnimportantTransformException)
|
|
{
|
|
logger.debug(message);
|
|
}
|
|
else
|
|
{
|
|
logger.warn(message, e);
|
|
}
|
|
}
|
|
else if (!first) // The first exception is logged later
|
|
{
|
|
message = "Transformer exception"+ (message == null ? "" : ": "+message);
|
|
if (rootCause instanceof UnsupportedTransformationException ||
|
|
rootCause instanceof UnimportantTransformException)
|
|
{
|
|
logger.debug(message);
|
|
}
|
|
else
|
|
{
|
|
logger.error(message, e);
|
|
}
|
|
first = false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see org.alfresco.repo.content.transform.ContentTransformerRegistry
|
|
* @see org.alfresco.repo.content.transform.ContentTransformer
|
|
*/
|
|
public ContentTransformer getTransformer(String sourceMimetype, String targetMimetype)
|
|
{
|
|
return getTransformer(null, sourceMimetype, -1, targetMimetype, new TransformationOptions());
|
|
}
|
|
|
|
public ContentTransformer getTransformer(String sourceMimetype, String targetMimetype, TransformationOptions options)
|
|
{
|
|
return getTransformer(null, sourceMimetype, -1, targetMimetype, options);
|
|
}
|
|
|
|
/**
|
|
* @see org.alfresco.service.cmr.repository.ContentService#getTransformer(String, java.lang.String, long, java.lang.String, org.alfresco.service.cmr.repository.TransformationOptions)
|
|
*/
|
|
public ContentTransformer getTransformer(String sourceUrl, String sourceMimetype, long sourceSize, String targetMimetype, TransformationOptions options)
|
|
{
|
|
List<ContentTransformer> transformers = getTransformers(sourceUrl, sourceMimetype, sourceSize, targetMimetype, options);
|
|
return (transformers == null) ? null : transformers.get(0);
|
|
}
|
|
|
|
/**
|
|
* @see org.alfresco.service.cmr.repository.ContentService#getTransformers(String, java.lang.String, long, java.lang.String, org.alfresco.service.cmr.repository.TransformationOptions)
|
|
*/
|
|
public List<ContentTransformer> getTransformers(String sourceUrl, String sourceMimetype, long sourceSize, String targetMimetype, TransformationOptions options)
|
|
{
|
|
try
|
|
{
|
|
// look for a transformer
|
|
transformerDebug.pushAvailable(sourceUrl, sourceMimetype, targetMimetype, options);
|
|
List<ContentTransformer> transformers = getActiveTransformers(sourceMimetype, sourceSize, targetMimetype, options);
|
|
transformerDebug.availableTransformers(transformers, sourceSize, options, "ContentService.getTransformer(...)");
|
|
return transformers.isEmpty() ? null : transformers;
|
|
}
|
|
finally
|
|
{
|
|
transformerDebug.popAvailable();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Checks if the file just uploaded into Share is a special "debugTransformers.txt" file and
|
|
* if it is creates TransformerDebug that lists all the supported mimetype transformation for
|
|
* each transformer.
|
|
*/
|
|
private void debugTransformations(String sourceMimetype, String targetMimetype,
|
|
long sourceSize, TransformationOptions transformOptions)
|
|
{
|
|
// check the file name
|
|
if (MimetypeMap.MIMETYPE_TEXT_PLAIN.equals(sourceMimetype) &&
|
|
MimetypeMap.MIMETYPE_IMAGE_PNG.equals(targetMimetype))
|
|
{
|
|
String fileName = transformerDebug.getFileName(transformOptions, true, 0);
|
|
if (fileName != null && fileName.contains("debugTransformers.txt"))
|
|
{
|
|
transformerDebug.transformationsByTransformer(null, false, false, null);
|
|
transformerDebug.transformationsByExtension(null, null, false, false, false, null);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* {@inheritDoc}
|
|
*/
|
|
public long getMaxSourceSizeBytes(String sourceMimetype, String targetMimetype, TransformationOptions options)
|
|
{
|
|
try
|
|
{
|
|
long maxSourceSize = 0;
|
|
transformerDebug.pushAvailable(null, sourceMimetype, targetMimetype, options);
|
|
List<ContentTransformer> transformers = getActiveTransformers(sourceMimetype, -1, targetMimetype, options);
|
|
for (ContentTransformer transformer: transformers)
|
|
{
|
|
long maxSourceSizeKBytes = transformer.getMaxSourceSizeKBytes(sourceMimetype, targetMimetype, options);
|
|
if (maxSourceSize >= 0)
|
|
{
|
|
if (maxSourceSizeKBytes < 0)
|
|
{
|
|
maxSourceSize = -1;
|
|
}
|
|
else if (maxSourceSizeKBytes > 0 && maxSourceSize < maxSourceSizeKBytes)
|
|
{
|
|
maxSourceSize = maxSourceSizeKBytes;
|
|
}
|
|
}
|
|
// if maxSourceSizeKBytes == 0 this implies the transformation is disabled
|
|
}
|
|
if (transformerDebug.isEnabled())
|
|
{
|
|
transformerDebug.availableTransformers(transformers, -1, options,
|
|
"ContentService.getMaxSourceSizeBytes() = "+transformerDebug.fileSize(maxSourceSize*1024));
|
|
}
|
|
return (maxSourceSize > 0) ? maxSourceSize * 1024 : maxSourceSize;
|
|
}
|
|
finally
|
|
{
|
|
transformerDebug.popAvailable();
|
|
}
|
|
}
|
|
|
|
public List<ContentTransformer> getActiveTransformers(String sourceMimetype, String targetMimetype, TransformationOptions options)
|
|
{
|
|
return getActiveTransformers(sourceMimetype, -1, targetMimetype, options);
|
|
}
|
|
|
|
public List<ContentTransformer> getActiveTransformers(String sourceMimetype, long sourceSize, String targetMimetype, TransformationOptions options)
|
|
{
|
|
return transformerRegistry.getActiveTransformers(sourceMimetype, sourceSize, targetMimetype, options);
|
|
}
|
|
|
|
/**
|
|
* @see org.alfresco.service.cmr.repository.ContentService#getImageTransformer()
|
|
*/
|
|
public ContentTransformer getImageTransformer()
|
|
{
|
|
return imageMagickContentTransformer;
|
|
}
|
|
|
|
/**
|
|
* @see org.alfresco.repo.content.transform.ContentTransformerRegistry
|
|
* @see org.alfresco.repo.content.transform.ContentTransformer
|
|
*/
|
|
public boolean isTransformable(ContentReader reader, ContentWriter writer)
|
|
{
|
|
return isTransformable(reader, writer, new TransformationOptions());
|
|
}
|
|
|
|
/**
|
|
* @see org.alfresco.service.cmr.repository.ContentService#isTransformable(org.alfresco.service.cmr.repository.ContentReader, org.alfresco.service.cmr.repository.ContentWriter, org.alfresco.service.cmr.repository.TransformationOptions)
|
|
*/
|
|
public boolean isTransformable(ContentReader reader, ContentWriter writer, TransformationOptions options)
|
|
{
|
|
// check that source and target mimetypes are available
|
|
String sourceMimetype = reader.getMimetype();
|
|
if (sourceMimetype == null)
|
|
{
|
|
throw new AlfrescoRuntimeException("The content reader mimetype must be set: " + reader);
|
|
}
|
|
String targetMimetype = writer.getMimetype();
|
|
if (targetMimetype == null)
|
|
{
|
|
throw new AlfrescoRuntimeException("The content writer mimetype must be set: " + writer);
|
|
}
|
|
|
|
long sourceSize = reader.getSize();
|
|
try
|
|
{
|
|
// look for a transformer
|
|
transformerDebug.pushAvailable(reader.getContentUrl(), sourceMimetype, targetMimetype, options);
|
|
List<ContentTransformer> transformers = getActiveTransformers(sourceMimetype, sourceSize, targetMimetype, options);
|
|
transformerDebug.availableTransformers(transformers, sourceSize, options, "ContentService.isTransformable(...)");
|
|
|
|
return transformers.size() > 0;
|
|
}
|
|
finally
|
|
{
|
|
transformerDebug.popAvailable();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Ensures that, upon closure of the output stream, the node is updated with
|
|
* the latest URL of the content to which it refers.
|
|
* <p>
|
|
*
|
|
* @author Derek Hulley
|
|
*/
|
|
private static class WriteStreamListener extends AbstractContentStreamListener
|
|
{
|
|
private NodeService nodeService;
|
|
private NodeRef nodeRef;
|
|
private QName propertyQName;
|
|
private ContentWriter writer;
|
|
|
|
public WriteStreamListener(
|
|
NodeService nodeService,
|
|
NodeRef nodeRef,
|
|
QName propertyQName,
|
|
ContentWriter writer)
|
|
{
|
|
this.nodeService = nodeService;
|
|
this.nodeRef = nodeRef;
|
|
this.propertyQName = propertyQName;
|
|
this.writer = writer;
|
|
}
|
|
|
|
public void contentStreamClosedImpl() throws ContentIOException
|
|
{
|
|
try
|
|
{
|
|
// set the full content property
|
|
ContentData contentData = writer.getContentData();
|
|
nodeService.setProperty(nodeRef, propertyQName, contentData);
|
|
// done
|
|
if (logger.isDebugEnabled())
|
|
{
|
|
logger.debug("Stream listener updated node: \n" +
|
|
" node: " + nodeRef + "\n" +
|
|
" property: " + propertyQName + "\n" +
|
|
" value: " + contentData);
|
|
}
|
|
}
|
|
catch (ContentQuotaException qe)
|
|
{
|
|
throw qe;
|
|
}
|
|
catch (Throwable e)
|
|
{
|
|
throw new ContentIOException("Failed to set content property on stream closure: \n" +
|
|
" node: " + nodeRef + "\n" +
|
|
" property: " + propertyQName + "\n" +
|
|
" writer: " + writer + "\n" +
|
|
e.toString(),
|
|
e);
|
|
}
|
|
}
|
|
}
|
|
} |