mirror of
https://github.com/Alfresco/alfresco-community-repo.git
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cefda8c965
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@18931 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
372 lines
15 KiB
Java
372 lines
15 KiB
Java
/*
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* Copyright (C) 2005-2010 Alfresco Software Limited.
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*
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* This file is part of Alfresco
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*
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* Alfresco is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Alfresco is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.alfresco.repo.forum;
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import java.io.Serializable;
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import java.text.SimpleDateFormat;
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import java.util.Collections;
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import java.util.Date;
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import java.util.HashMap;
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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.springframework.extensions.surf.util.I18NUtil;
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import org.alfresco.model.ApplicationModel;
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import org.alfresco.model.ContentModel;
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import org.alfresco.model.ForumModel;
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import org.alfresco.repo.copy.CopyBehaviourCallback;
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import org.alfresco.repo.copy.CopyDetails;
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import org.alfresco.repo.copy.CopyServicePolicies;
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import org.alfresco.repo.copy.DoNothingCopyBehaviourCallback;
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import org.alfresco.repo.node.NodeServicePolicies;
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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.TransactionalResourceHelper;
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import org.alfresco.service.cmr.model.FileExistsException;
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import org.alfresco.service.cmr.model.FileFolderService;
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import org.alfresco.service.cmr.model.FileNotFoundException;
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import org.alfresco.service.cmr.repository.ChildAssociationRef;
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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.namespace.NamespaceService;
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import org.alfresco.service.namespace.QName;
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import org.alfresco.service.namespace.RegexQNamePattern;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.springframework.dao.ConcurrencyFailureException;
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/**
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* Discussion-specific behaviours.
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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 DiscussableAspect implements
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NodeServicePolicies.OnAddAspectPolicy,
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CopyServicePolicies.OnCopyNodePolicy,
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CopyServicePolicies.OnCopyCompletePolicy
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{
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private static final String KEY_WORKING_COPIES = DiscussableAspect.class.getName() + ".WorkingCopies";
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private static final Log logger = LogFactory.getLog(DiscussableAspect.class);
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private PolicyComponent policyComponent;
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private NodeService nodeService;
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private FileFolderService fileFolderService;
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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 setNodeService(NodeService nodeService)
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{
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this.nodeService = nodeService;
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}
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public final void setFileFolderService(FileFolderService fileFolderService)
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{
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this.fileFolderService = fileFolderService;
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}
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/**
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* Initialise method
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*/
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public void init()
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{
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// All forum-related copy behaviour uses the same copy callback
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this.policyComponent.bindClassBehaviour(
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QName.createQName(NamespaceService.ALFRESCO_URI, "onAddAspect"),
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ForumModel.ASPECT_DISCUSSABLE,
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new JavaBehaviour(this, "onAddAspect"));
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this.policyComponent.bindClassBehaviour(
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QName.createQName(NamespaceService.ALFRESCO_URI, "getCopyCallback"),
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ForumModel.ASPECT_DISCUSSABLE,
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new JavaBehaviour(this, "getCopyCallback"));
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this.policyComponent.bindClassBehaviour(
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QName.createQName(NamespaceService.ALFRESCO_URI, "onCopyComplete"),
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ForumModel.ASPECT_DISCUSSABLE,
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new JavaBehaviour(this, "onCopyComplete"));
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}
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/**
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* @return Returns {@link DiscussableAspectCopyBehaviourCallback}
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*/
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public CopyBehaviourCallback getCopyCallback(QName classRef, CopyDetails copyDetails)
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{
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return DiscussableAspectCopyBehaviourCallback.INSTANCE;
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}
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/**
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* Copy behaviour for the <b>fm:discussable</b> aspect.
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* <p>
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* Only the aspect is copied (to get the default behaviour). All topics are copied later.
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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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private static class DiscussableAspectCopyBehaviourCallback extends DoNothingCopyBehaviourCallback
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{
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private static final CopyBehaviourCallback INSTANCE = new DiscussableAspectCopyBehaviourCallback();
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/**
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* Copy the aspect over only if the source document has also been checked out
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*/
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@Override
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public boolean getMustCopy(QName classQName, CopyDetails copyDetails)
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{
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if (copyDetails.getSourceNodeAspectQNames().contains(ContentModel.ASPECT_WORKING_COPY) &&
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!copyDetails.isTargetNodeIsNew())
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{
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// We are copying back from a working copy to the original node (probably)
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// We need to do a full merge of the discussions. Keep track of the nodes
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// that need this behaviour and complete the copy after the copy completes.
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Set<NodeRef> nodeRefs = TransactionalResourceHelper.getSet(KEY_WORKING_COPIES);
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nodeRefs.add(copyDetails.getSourceNodeRef());
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}
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return false;
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}
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}
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/**
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* Ensure that the node has a <b>fm:forum</b> child node otherwise create one
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*/
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public void onAddAspect(NodeRef discussableNodeRef, QName aspectTypeQName)
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{
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String name = (String)this.nodeService.getProperty(
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discussableNodeRef,
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ContentModel.PROP_NAME);
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String forumName = I18NUtil.getMessage("discussion.discussion_for", new Object[] {name});
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NodeRef forumNodeRef = getForum(discussableNodeRef);
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if (forumNodeRef == null)
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{
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Map<QName, Serializable> forumProps = new HashMap<QName, Serializable>(1);
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forumProps.put(ContentModel.PROP_NAME, forumName);
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ChildAssociationRef childRef = nodeService.createNode(
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discussableNodeRef,
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ForumModel.ASSOC_DISCUSSION,
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QName.createQName(NamespaceService.FORUMS_MODEL_1_0_URI, "discussion"),
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ForumModel.TYPE_FORUM, forumProps);
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forumNodeRef = childRef.getChildRef();
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}
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else
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{
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// Just adjust the name
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nodeService.setProperty(forumNodeRef, ContentModel.PROP_NAME, forumName);
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}
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// apply the uifacets aspect
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Map<QName, Serializable> uiFacetsProps = new HashMap<QName, Serializable>(5);
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uiFacetsProps.put(ApplicationModel.PROP_ICON, "forum");
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this.nodeService.addAspect(forumNodeRef, ApplicationModel.ASPECT_UIFACETS, uiFacetsProps);
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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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"Created forum node for discussion: \n" +
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" Discussable Node: " + discussableNodeRef + "\n" +
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" Forum Node: " + forumNodeRef);
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}
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}
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/**
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* Retrieves the forum node the the given discussable
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*
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* @return Returns the <b>fm:forum</b> node or <tt>null</tt>
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*/
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private NodeRef getForum(NodeRef discussableNodeRef)
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{
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List<ChildAssociationRef> destChildren = nodeService.getChildAssocs(
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discussableNodeRef,
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ForumModel.ASSOC_DISCUSSION,
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RegexQNamePattern.MATCH_ALL);
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// Take the first one
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if (destChildren.size() == 0)
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{
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return null;
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}
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else
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{
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// We just take the first one
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ChildAssociationRef discussionAssoc = destChildren.get(0);
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return discussionAssoc.getChildRef();
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}
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}
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//
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// /**
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// * Copies the discussions to the new node, whilst being sensitive to any existing discussions.
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// */
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// public void onCopyComplete(
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// QName classQName,
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// NodeRef sourceNodeRef,
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// NodeRef targetNodeRef,
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// boolean copyToNewNode,
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// Map<NodeRef,NodeRef> copyMap)
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// {
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// // if the copy is not a new node it is a checkin, we therefore
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// // need to copy any discussions from the working copy document
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// // to the document being checked in
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// if (copyToNewNode)
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// {
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// // We don't care about new copies, just copies to existing nodes
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// return;
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// }
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// List<ChildAssociationRef> sourceChildren = nodeService.getChildAssocs(sourceNodeRef,
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// ForumModel.ASSOC_DISCUSSION, RegexQNamePattern.MATCH_ALL);
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//
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// if (sourceChildren.size() != 1)
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// {
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// throw new CheckOutCheckInServiceException(
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// "The source node has the discussable aspect but does not have 1 child, it has " +
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// sourceChildren.size() + " children!");
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// }
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//
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// NodeRef sourceForum = sourceChildren.get(0).getChildRef();
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//
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// // get the forum for the destination node, it's created if necessary
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// NodeRef destinationForum = getDestinationForum(targetNodeRef);
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//
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// // copy any topics from the source forum to the destination forum
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// int copied = 0;
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// List<ChildAssociationRef> sourceForums = nodeService.getChildAssocs(sourceForum);
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// for (ChildAssociationRef childRef : sourceForums)
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// {
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// String topicName = null;
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// NodeRef childNode = childRef.getChildRef();
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// if (nodeService.getType(childNode).equals(ForumModel.TYPE_TOPIC))
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// {
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// try
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// {
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// // work out the name for the copied topic
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// String childName = nodeService.getProperty(childNode,
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// ContentModel.PROP_NAME).toString();
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// Serializable labelProp = nodeService.getProperty(targetNodeRef,
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// ContentModel.PROP_VERSION_LABEL);
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// if (labelProp == null)
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// {
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// SimpleDateFormat dateFormat = new SimpleDateFormat("dd-MM-yyyy-HH-mm-ss");
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// topicName = childName + " - " + dateFormat.format(new Date());
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// }
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// else
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// {
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// topicName = childName + " (" + labelProp.toString() + ")";
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// }
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//
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// fileFolderService.copy(childNode, destinationForum, topicName);
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// copied++;
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// }
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// catch (FileNotFoundException fnfe)
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// {
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// throw new CheckOutCheckInServiceException(
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// "Failed to copy topic from working copy to checked out content", fnfe);
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// }
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// catch (FileExistsException fee)
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// {
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// throw new CheckOutCheckInServiceException("Failed to checkin content as a topic called " +
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// topicName + " already exists on the checked out content", fee);
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// }
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// }
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// }
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//
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// if (logger.isDebugEnabled())
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// logger.debug("Copied " + copied + " topics from the working copy to the checked out content");
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// }
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//
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public void onCopyComplete(
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QName classRef,
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NodeRef sourceNodeRef,
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NodeRef targetNodeRef,
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boolean copyToNewNode,
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Map<NodeRef, NodeRef> copyMap)
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{
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Set<NodeRef> workingCopyNodeRefs = TransactionalResourceHelper.getSet(KEY_WORKING_COPIES);
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if (!workingCopyNodeRefs.contains(sourceNodeRef))
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{
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// This is not one of the nodes that needs to have discussions copied over
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return;
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}
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// First check that the source node has forums
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NodeRef sourceForumNodeRef = getForum(sourceNodeRef);
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if (sourceForumNodeRef == null)
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{
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// Missing! Clean the source node up!
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nodeService.removeAspect(sourceNodeRef, ForumModel.ASPECT_DISCUSSABLE);
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return;
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}
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// The aspect may or may not exist on the target node
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if (!nodeService.hasAspect(targetNodeRef, ForumModel.ASPECT_DISCUSSABLE))
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{
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// Add the aspect
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nodeService.addAspect(targetNodeRef, ForumModel.ASPECT_DISCUSSABLE, null);
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}
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// Get the forum node
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NodeRef targetForumNodeRef = getForum(targetNodeRef);
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// Merge the forum topics
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List<ChildAssociationRef> topicAssocRefs = nodeService.getChildAssocs(
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sourceForumNodeRef,
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Collections.singleton(ForumModel.TYPE_TOPIC));
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int copied = 0;
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for (ChildAssociationRef topicAssocRef : topicAssocRefs)
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{
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NodeRef topicNodeRef = topicAssocRef.getChildRef();
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try
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{
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// work out the name for the copied topic
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String topicName;
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String topicNodeName = nodeService.getProperty(topicNodeRef, ContentModel.PROP_NAME).toString();
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Serializable labelProp = nodeService.getProperty(targetNodeRef, ContentModel.PROP_VERSION_LABEL);
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if (labelProp == null)
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{
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SimpleDateFormat dateFormat = new SimpleDateFormat("dd-MM-yyyy-HH-mm-ss");
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topicName = topicNodeName + " - " + dateFormat.format(new Date());
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}
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else
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{
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topicName = topicNodeName + " (" + labelProp.toString() + ")";
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}
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if (fileFolderService.searchSimple(targetForumNodeRef, topicName) != null)
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{
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// A topic with that name already exists
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continue;
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}
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fileFolderService.copy(topicNodeRef, targetForumNodeRef, topicName);
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copied++;
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}
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catch (FileExistsException e)
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{
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// We checked for this, so this is a concurrency condition
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throw new ConcurrencyFailureException("Target topic exists: " + e.getMessage(), e);
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}
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catch (FileNotFoundException e)
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{
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// The node was there, but now it's gone
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throw new ConcurrencyFailureException("Forum was deleted: " + e.getMessage(), e);
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}
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}
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}
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}
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