mirror of
https://github.com/Alfresco/alfresco-community-repo.git
synced 2025-06-30 18:15:39 +00:00
d891c2d436
71774: Merged V4.2-BUG-FIX (4.2.3) to HEAD-BUG-FIX (4.3/Cloud)
71679: Merged V4.1-BUG-FIX (4.1.9) to V4.2-BUG-FIX (4.2.3)
71479: MNT-11493: Merged DEV to V4.1-BUG-FIX (4.1.9)
71411: MNT-11493 Pagination controls for second page of tagged links are incorrect
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@74723 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
537 lines
18 KiB
Java
537 lines
18 KiB
Java
/*
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* Copyright (C) 2005-2011 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.links;
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import java.io.Serializable;
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import java.util.ArrayList;
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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 org.alfresco.model.ContentModel;
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import org.alfresco.query.CannedQueryFactory;
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import org.alfresco.query.CannedQueryResults;
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import org.alfresco.query.EmptyPagingResults;
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import org.alfresco.query.PagingRequest;
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import org.alfresco.query.PagingResults;
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import org.alfresco.repo.domain.node.NodeDAO;
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import org.alfresco.repo.node.getchildren.GetChildrenAuditableCannedQuery;
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import org.alfresco.repo.node.getchildren.GetChildrenAuditableCannedQueryFactory;
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import org.alfresco.repo.query.NodeBackedEntity;
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import org.alfresco.repo.search.impl.lucene.LuceneUtils;
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import org.alfresco.repo.site.SiteServiceImpl;
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import org.alfresco.service.cmr.dictionary.DictionaryService;
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import org.alfresco.service.cmr.links.LinkInfo;
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import org.alfresco.service.cmr.links.LinksService;
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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.NodeRef;
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import org.alfresco.service.cmr.repository.NodeService;
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import org.alfresco.service.cmr.repository.datatype.DefaultTypeConverter;
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import org.alfresco.service.cmr.search.LimitBy;
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import org.alfresco.service.cmr.search.ResultSet;
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import org.alfresco.service.cmr.search.ResultSetRow;
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import org.alfresco.service.cmr.search.SearchParameters;
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import org.alfresco.service.cmr.search.SearchService;
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import org.alfresco.service.cmr.site.SiteService;
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import org.alfresco.service.cmr.tagging.TaggingService;
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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.ISO9075;
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import org.alfresco.util.Pair;
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import org.alfresco.util.registry.NamedObjectRegistry;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* @author Nick Burch (based on existing webscript controllers in the REST API)
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* @since 4.0
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*/
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public class LinksServiceImpl implements LinksService
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{
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public static final String LINKS_COMPONENT = "links";
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protected static final String CANNED_QUERY_GET_CHILDREN = "linksGetChildrenCannedQueryFactory";
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/**
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* The logger
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*/
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@SuppressWarnings("unused")
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private static Log logger = LogFactory.getLog(LinksServiceImpl.class);
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private NodeDAO nodeDAO;
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private NodeService nodeService;
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private SiteService siteService;
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private SearchService searchService;
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private ContentService contentService;
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private TaggingService taggingService;
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private NamespaceService namespaceService;
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private DictionaryService dictionaryService;
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private TransactionService transactionService;
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private NamedObjectRegistry<CannedQueryFactory<? extends Object>> cannedQueryRegistry;
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public void setNodeDAO(NodeDAO nodeDAO)
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{
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this.nodeDAO = nodeDAO;
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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 setSiteService(SiteService siteService)
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{
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this.siteService = siteService;
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}
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public void setSearchService(SearchService searchService)
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{
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this.searchService = searchService;
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}
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public void setContentService(ContentService contentService)
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{
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this.contentService = contentService;
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}
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public void setTaggingService(TaggingService taggingService)
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{
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this.taggingService = taggingService;
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}
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public void setNamespaceService(NamespaceService namespaceService)
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{
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this.namespaceService = namespaceService;
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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 setTransactionService(TransactionService transactionService)
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{
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this.transactionService = transactionService;
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}
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/**
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* Set the registry of {@link CannedQueryFactory canned queries}
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*/
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public void setCannedQueryRegistry(NamedObjectRegistry<CannedQueryFactory<? extends Object>> cannedQueryRegistry)
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{
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this.cannedQueryRegistry = cannedQueryRegistry;
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}
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/**
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* Fetches the Links Container on a site, creating as required if requested.
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*/
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protected NodeRef getSiteLinksContainer(final String siteShortName, boolean create)
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{
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return SiteServiceImpl.getSiteContainer(
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siteShortName, LINKS_COMPONENT, create,
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siteService, transactionService, taggingService);
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}
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private LinkInfo buildLink(NodeRef nodeRef, NodeRef container, String name)
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{
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LinkInfoImpl link = new LinkInfoImpl(nodeRef, container, name);
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// Grab all the properties, we need the bulk of them anyway
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Map<QName,Serializable> props = nodeService.getProperties(nodeRef);
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// Start with the auditable properties
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link.setCreator((String)props.get(ContentModel.PROP_CREATOR));
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link.setCreatedAt((Date)props.get(ContentModel.PROP_CREATED));
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link.setModifiedAt((Date)props.get(ContentModel.PROP_MODIFIED));
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// Now the link ones
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link.setTitle((String)props.get(LinksModel.PROP_TITLE));
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link.setDescription((String)props.get(LinksModel.PROP_DESCRIPTION));
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link.setURL((String)props.get(LinksModel.PROP_URL));
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// Now the internal aspect
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if (nodeService.hasAspect(nodeRef, LinksModel.ASPECT_INTERNAL_LINK))
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{
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Boolean isInternal = DefaultTypeConverter.INSTANCE.convert(
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Boolean.class, props.get(LinksModel.PROP_IS_INTERNAL));
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link.setInternal(isInternal);
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}
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else
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{
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// Not internal
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link.setInternal(false);
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}
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// Finally tags
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link.setTags(taggingService.getTags(nodeRef));
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// All done
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return link;
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}
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@Override
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public LinkInfo getLink(String siteShortName, String linkName)
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{
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NodeRef container = getSiteLinksContainer(siteShortName, false);
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if (container == null)
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{
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// No links
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return null;
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}
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NodeRef link = nodeService.getChildByName(container, ContentModel.ASSOC_CONTAINS, linkName);
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if (link != null)
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{
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return buildLink(link, container, linkName);
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}
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return null;
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}
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@Override
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public LinkInfo createLink(String siteShortName, String title,
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String description, String url, boolean internal)
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{
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// Grab the location to store in
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NodeRef container = getSiteLinksContainer(siteShortName, true);
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// Get the properties for the node
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Map<QName, Serializable> props = new HashMap<QName, Serializable>();
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props.put(LinksModel.PROP_TITLE, title);
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props.put(LinksModel.PROP_DESCRIPTION, description);
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props.put(LinksModel.PROP_URL, url);
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if (internal)
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{
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props.put(LinksModel.PROP_IS_INTERNAL, "true");
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}
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// Generate a unique name
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// (Should be unique, but will retry for a new one if not)
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String name = "link-" + (new Date()).getTime() + "-" +
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Math.round(Math.random()*10000);
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props.put(ContentModel.PROP_NAME, name);
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// Build the node
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NodeRef nodeRef = nodeService.createNode(
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container,
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ContentModel.ASSOC_CONTAINS,
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QName.createQName(name),
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LinksModel.TYPE_LINK,
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props
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).getChildRef();
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// Duplicate the url into the node as the content property
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ContentWriter writer = contentService.getWriter(nodeRef, ContentModel.PROP_CONTENT, true);
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writer.setEncoding("UTF-8");
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writer.putContent(url);
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// Generate the wrapping object for it
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// Build it that way, so creator and created date come through
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return buildLink(nodeRef, container, name);
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}
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@Override
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public LinkInfo updateLink(LinkInfo link)
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{
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// Sanity check what we were given
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if (link.getNodeRef() == null)
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{
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throw new IllegalArgumentException("Can't update a link that was never persisted, call create instead");
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}
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// Change the properties
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NodeRef nodeRef = link.getNodeRef();
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nodeService.setProperty(nodeRef, LinksModel.PROP_TITLE, link.getTitle());
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nodeService.setProperty(nodeRef, LinksModel.PROP_DESCRIPTION, link.getDescription());
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nodeService.setProperty(nodeRef, LinksModel.PROP_URL, link.getURL());
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// Internal/External is "special"
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if (link.isInternal())
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{
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if (! nodeService.hasAspect(nodeRef, LinksModel.ASPECT_INTERNAL_LINK))
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{
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Map<QName, Serializable> props = new HashMap<QName, Serializable>();
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props.put(LinksModel.PROP_IS_INTERNAL, "true");
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nodeService.addAspect(nodeRef, LinksModel.ASPECT_INTERNAL_LINK, props);
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}
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}
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else
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{
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if (nodeService.hasAspect(nodeRef, LinksModel.ASPECT_INTERNAL_LINK))
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{
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nodeService.removeAspect(nodeRef, LinksModel.ASPECT_INTERNAL_LINK);
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}
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}
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// Duplicate the url into the node as the content property
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ContentWriter writer = contentService.getWriter(nodeRef, ContentModel.PROP_CONTENT, true);
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writer.setEncoding("UTF-8");
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writer.putContent(link.getURL());
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// Now do the tags
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taggingService.setTags(nodeRef, link.getTags());
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// All done
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return link;
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}
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@Override
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public void deleteLink(LinkInfo link)
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{
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if (link.getNodeRef() == null)
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{
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throw new IllegalArgumentException("Can't delete a link entry that was never persisted");
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}
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nodeService.deleteNode(link.getNodeRef());
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}
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@Override
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public PagingResults<LinkInfo> listLinks(String siteShortName, PagingRequest paging)
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{
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return listLinks(siteShortName, null, null, null, paging);
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}
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@Override
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public PagingResults<LinkInfo> listLinks(String siteShortName, String user,
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PagingRequest paging)
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{
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return listLinks(siteShortName, user, null, null, paging);
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}
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@Override
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public PagingResults<LinkInfo> listLinks(String siteShortName, Date from,
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Date to, PagingRequest paging)
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{
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return listLinks(siteShortName, null, from, to, paging);
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}
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private PagingResults<LinkInfo> listLinks(String siteShortName, String user,
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Date from, Date to, PagingRequest paging)
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{
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NodeRef container = getSiteLinksContainer(siteShortName, false);
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if (container == null)
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{
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// No events
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return new EmptyPagingResults<LinkInfo>();
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}
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// Run the canned query
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GetChildrenAuditableCannedQueryFactory getChildrenCannedQueryFactory =
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(GetChildrenAuditableCannedQueryFactory)cannedQueryRegistry.getNamedObject(CANNED_QUERY_GET_CHILDREN);
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GetChildrenAuditableCannedQuery cq = (GetChildrenAuditableCannedQuery)getChildrenCannedQueryFactory.getCannedQuery(
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container, LinksModel.TYPE_LINK, user, from, to, null, null, null,
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getChildrenCannedQueryFactory.createDateDescendingCQSortDetails(), paging);
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// Execute the canned query
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CannedQueryResults<NodeBackedEntity> results = cq.execute();
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// Convert to Link objects
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return wrap(results, container);
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}
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@Override
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public PagingResults<LinkInfo> findLinks(String siteShortName, String user,
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Date from, Date to, String tag, PagingRequest paging)
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{
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NodeRef container = getSiteLinksContainer(siteShortName, false);
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if (container == null)
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{
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// No links
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return new EmptyPagingResults<LinkInfo>();
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}
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// Build the query
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StringBuilder luceneQuery = new StringBuilder();
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luceneQuery.append(" +TYPE:\"" + LinksModel.TYPE_LINK + "\"");
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luceneQuery.append(" +PATH:\"" + nodeService.getPath(container).toPrefixString(namespaceService) + "/*\"");
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if (user != null)
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{
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luceneQuery.append(" +@cm\\:creator:\"" + user + "\"");
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}
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if (from != null && to != null)
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{
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luceneQuery.append(LuceneUtils.createDateRangeQuery(
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from, to, ContentModel.PROP_CREATED, dictionaryService, namespaceService));
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}
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if (tag != null)
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{
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luceneQuery.append(" +PATH:\"/cm:taggable/cm:" + ISO9075.encode(tag) + "/member\"");
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}
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String sortOn = "@{http://www.alfresco.org/model/content/1.0}created";
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// Query
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SearchParameters sp = new SearchParameters();
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sp.addStore(container.getStoreRef());
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sp.setLanguage(SearchService.LANGUAGE_LUCENE);
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sp.setQuery(luceneQuery.toString());
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sp.addSort(sortOn, false);
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if (paging.getSkipCount() > 0)
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{
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sp.setSkipCount(paging.getSkipCount());
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}
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// Build the results
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PagingResults<LinkInfo> pagedResults = new EmptyPagingResults<LinkInfo>();
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ResultSet results = null;
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try
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{
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results = searchService.query(sp);
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pagedResults = wrap(results, container, paging);
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}
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finally
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{
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if (results != null)
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{
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results.close();
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}
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}
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return pagedResults;
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}
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private PagingResults<LinkInfo> wrap(final ResultSet finalLuceneResults, final NodeRef container, final PagingRequest paging)
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{
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final List<LinkInfo> links = new ArrayList<LinkInfo>();
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int cnt = 1;
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for (ResultSetRow row : finalLuceneResults)
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{
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LinkInfo link = buildLink(
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row.getNodeRef(), container, row.getQName().getLocalName());
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links.add(link);
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cnt++;
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if (paging.getMaxItems()>0 && cnt>paging.getMaxItems())
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{
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break;
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}
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}
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// Wrap
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return new PagingResults<LinkInfo>()
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{
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@Override
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public boolean hasMoreItems()
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{
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try
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{
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return finalLuceneResults.hasMore();
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}
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catch(UnsupportedOperationException e)
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{
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// Not all lucene results support paging
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return false;
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}
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}
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@Override
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public Pair<Integer, Integer> getTotalResultCount()
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{
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int skipCount = 0;
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int itemsRemainingAfterThisPage = 0;
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try
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{
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skipCount = finalLuceneResults.getStart();
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}
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catch(UnsupportedOperationException e)
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{
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skipCount = paging.getSkipCount();
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}
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try
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{
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itemsRemainingAfterThisPage = finalLuceneResults.length();
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}
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catch(UnsupportedOperationException e) {}
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final int totalItemsInUnpagedResultSet = skipCount + itemsRemainingAfterThisPage;
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return new Pair<Integer, Integer>(totalItemsInUnpagedResultSet, totalItemsInUnpagedResultSet);
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}
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@Override
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public List<LinkInfo> getPage()
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{
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return links;
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}
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@Override
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public String getQueryExecutionId()
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{
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return null;
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}
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};
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}
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/**
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* Our class to wrap up paged results of NodeBackedEntities as
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* LinkInfo instances
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*/
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private PagingResults<LinkInfo> wrap(final PagingResults<NodeBackedEntity> results, final NodeRef container)
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{
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// Pre-load the nodes before we create them
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List<Long> ids = new ArrayList<Long>();
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for (NodeBackedEntity node : results.getPage())
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{
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ids.add(node.getId());
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}
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nodeDAO.cacheNodesById(ids);
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// Wrap
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return new PagingResults<LinkInfo>()
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{
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@Override
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public String getQueryExecutionId()
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{
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return results.getQueryExecutionId();
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}
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@Override
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public List<LinkInfo> getPage()
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{
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List<LinkInfo> links = new ArrayList<LinkInfo>();
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for (NodeBackedEntity node : results.getPage())
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{
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NodeRef nodeRef = node.getNodeRef();
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String name = node.getName();
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links.add(buildLink(nodeRef, container, name));
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}
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return links;
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}
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@Override
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public boolean hasMoreItems()
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{
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return results.hasMoreItems();
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}
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@Override
|
|
public Pair<Integer, Integer> getTotalResultCount()
|
|
{
|
|
return results.getTotalResultCount();
|
|
}
|
|
};
|
|
}
|
|
}
|