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https://github.com/Alfresco/alfresco-community-repo.git
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Finished (with hacks) MOB-30: Purge Deleted Content
- Only for use with RM use-cases - Switch on with property: system.content.eagerOrphanCleanup=true git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@14088 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Derek Hulley
@@ -24,599 +24,22 @@
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*/
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package org.alfresco.repo.content;
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import java.io.Serializable;
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import java.util.Collection;
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import java.util.HashSet;
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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.i18n.I18NUtil;
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import org.alfresco.model.ContentModel;
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import org.alfresco.repo.avm.AVMNodeConverter;
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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.filestore.FileContentStore;
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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.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.avm.AVMService;
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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.ContentStreamListener;
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import org.alfresco.service.cmr.repository.ContentWriter;
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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.StoreRef;
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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.NamespaceService;
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import org.alfresco.service.namespace.QName;
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import org.alfresco.service.transaction.TransactionService;
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import org.alfresco.util.EqualsHelper;
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import org.alfresco.util.Pair;
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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.context.ConfigurableApplicationContext;
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/**
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* A content service that determines at runtime the store that the
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* content associated with a node should be routed to.
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*
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* @deprecated Replaced by {@link ContentServiceImpl}
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* @author Derek Hulley
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*/
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public class RoutingContentService implements ContentService, ApplicationContextAware
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public class RoutingContentService extends ContentServiceImpl
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{
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private static Log logger = LogFactory.getLog(RoutingContentService.class);
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private DictionaryService dictionaryService;
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private NodeService nodeService;
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private AVMService avmService;
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private RetryingTransactionHelper transactionHelper;
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private ApplicationContext applicationContext;
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/** a registry of all available content transformers */
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private ContentTransformerRegistry transformerRegistry;
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/** TEMPORARY until we have a map to choose from at runtime */
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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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/**
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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 delegate
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*/
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ClassPolicyDelegate<ContentServicePolicies.OnContentUpdatePolicy> onContentUpdateDelegate;
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ClassPolicyDelegate<ContentServicePolicies.OnContentReadPolicy> onContentReadDelegate;
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/**
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* @deprecated Replaced by {@link #setRetryingTransactionHelper(RetryingTransactionHelper)}
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*/
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public void setTransactionService(TransactionService transactionService)
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public RoutingContentService()
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{
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logger.warn("Property 'transactionService' has been replaced by 'retryingTransactionHelper'.");
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}
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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 setTransformerRegistry(ContentTransformerRegistry transformerRegistry)
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{
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this.transformerRegistry = transformerRegistry;
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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 setAvmService(AVMService service)
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{
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this.avmService = service;
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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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/* (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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* 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((ConfigurableApplicationContext) this.applicationContext,
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TempFileProvider.getTempDir().getAbsolutePath());
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// Bind on update properties behaviour
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this.policyComponent.bindClassBehaviour(
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QName.createQName(NamespaceService.ALFRESCO_URI, "onUpdateProperties"),
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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.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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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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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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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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boolean hasContentAfter = ContentData.hasContent(afterValue);
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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 = !hasContentBefore && hasContentAfter;
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// So debug ...
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if (logger.isDebugEnabled() == true)
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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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"onContentUpdate will fire: \n" +
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" Name: " + name + "\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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// We are interested in any content change
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fire = true;
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break;
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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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Set<QName> types = new HashSet<QName>(this.nodeService.getAspects(nodeRef));
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types.add(this.nodeService.getType(nodeRef));
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OnContentUpdatePolicy policy = this.onContentUpdateDelegate.get(nodeRef, types);
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policy.onContentUpdate(nodeRef, isNewContent);
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}
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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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// 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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// Special case for AVM repository.
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Serializable contentValue = null;
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if (nodeRef.getStoreRef().getProtocol().equals(StoreRef.PROTOCOL_AVM))
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{
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Pair<Integer, String> avmVersionPath = AVMNodeConverter.ToAVMVersionPath(nodeRef);
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contentValue = avmService.getContentDataForWrite(avmVersionPath.getSecond());
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}
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else
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{
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contentValue = nodeService.getProperty(nodeRef, propertyQName);
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}
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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;
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writer.setMimetype(contentData.getMimetype());
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writer.setEncoding(contentData.getEncoding());
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writer.setLocale(contentData.getLocale());
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}
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// attach a listener if required
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if (update)
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{
|
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// need a listener to update the node when the stream closes
|
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WriteStreamListener listener = new WriteStreamListener(nodeService, nodeRef, propertyQName, writer);
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writer.addListener(listener);
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writer.setRetryingTransactionHelper(transactionHelper);
|
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}
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// give back to the client
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return writer;
|
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}
|
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|
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/**
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* @return Returns a writer to an anonymous location
|
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*/
|
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public ContentWriter getTempWriter()
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||||
{
|
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// there is no existing content and we don't specify the location of the new content
|
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return tempStore.getWriter(ContentContext.NULL_CONTEXT);
|
||||
}
|
||||
|
||||
/**
|
||||
* @see org.alfresco.repo.content.transform.ContentTransformerRegistry
|
||||
* @see org.alfresco.repo.content.transform.ContentTransformer
|
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* @see org.alfresco.service.cmr.repository.ContentService#transform(org.alfresco.service.cmr.repository.ContentReader, org.alfresco.service.cmr.repository.ContentWriter)
|
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*/
|
||||
public void transform(ContentReader reader, ContentWriter writer)
|
||||
{
|
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// Call transform with no options
|
||||
TransformationOptions options = null;
|
||||
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
|
||||
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);
|
||||
}
|
||||
// look for a transformer
|
||||
ContentTransformer transformer = transformerRegistry.getTransformer(sourceMimetype, targetMimetype, options);
|
||||
if (transformer == null)
|
||||
{
|
||||
throw new NoTransformerException(sourceMimetype, targetMimetype);
|
||||
}
|
||||
// we have a transformer, so do it
|
||||
transformer.transform(reader, writer, options);
|
||||
// done
|
||||
}
|
||||
|
||||
/**
|
||||
* @see org.alfresco.repo.content.transform.ContentTransformerRegistry
|
||||
* @see org.alfresco.repo.content.transform.ContentTransformer
|
||||
*/
|
||||
public ContentTransformer getTransformer(String sourceMimetype, String targetMimetype)
|
||||
{
|
||||
return getTransformer(sourceMimetype, targetMimetype, new TransformationOptions());
|
||||
}
|
||||
|
||||
/**
|
||||
* @see org.alfresco.service.cmr.repository.ContentService#getTransformer(java.lang.String, java.lang.String, org.alfresco.service.cmr.repository.TransformationOptions)
|
||||
*/
|
||||
public ContentTransformer getTransformer(String sourceMimetype, String targetMimetype, TransformationOptions options)
|
||||
{
|
||||
return transformerRegistry.getTransformer(sourceMimetype, 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);
|
||||
}
|
||||
|
||||
// look for a transformer
|
||||
ContentTransformer transformer = transformerRegistry.getTransformer(sourceMimetype, targetMimetype, options);
|
||||
return (transformer != null);
|
||||
}
|
||||
|
||||
/**
|
||||
* Ensures that, upon closure of the output stream, the node is updated with
|
||||
* the latest URL of the content to which it refers.
|
||||
* <p>
|
||||
* The listener close operation does not need a transaction as the
|
||||
* <code>ContentWriter</code> takes care of that.
|
||||
*
|
||||
* @author Derek Hulley
|
||||
*/
|
||||
private static class WriteStreamListener implements ContentStreamListener
|
||||
{
|
||||
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 contentStreamClosed() throws ContentIOException
|
||||
{
|
||||
try
|
||||
{
|
||||
// set the full content property
|
||||
ContentData contentData = writer.getContentData();
|
||||
// Bypass NodeService for avm stores.
|
||||
if (nodeRef.getStoreRef().getProtocol().equals(StoreRef.PROTOCOL_AVM))
|
||||
{
|
||||
nodeService.setProperty(nodeRef, ContentModel.PROP_CONTENT, contentData);
|
||||
}
|
||||
else
|
||||
{
|
||||
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,
|
||||
e);
|
||||
}
|
||||
}
|
||||
logger.warn("Class 'RoutingContentService' has been deprecated and replaced by 'ContentServiceImpl'.");
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user