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	125606 rmunteanu: Merged 5.1.1 (5.1.1) to 5.1.N (5.1.2)
      125515 slanglois: MNT-16155 Update source headers - add new Copyrights for Java and JSP source files + automatic check in the build
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/DEV/5.2.N/root@125788 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
		
	
		
			
				
	
	
		
			544 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			Java
		
	
	
	
	
	
			
		
		
	
	
			544 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			Java
		
	
	
	
	
	
| /*
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|  * #%L
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|  * Alfresco Repository
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|  * %%
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|  * Copyright (C) 2005 - 2016 Alfresco Software Limited
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|  * %%
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|  * This file is part of the Alfresco software. 
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|  * If the software was purchased under a paid Alfresco license, the terms of 
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|  * the paid license agreement will prevail.  Otherwise, the software is 
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|  * provided under the following open source license terms:
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|  * 
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|  * Alfresco is free software: you can redistribute it and/or modify
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|  * it under the terms of the GNU Lesser General Public License as published by
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|  * the Free Software Foundation, either version 3 of the License, or
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|  * (at your option) any later version.
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|  * 
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|  * Alfresco is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU Lesser General Public License for more details.
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|  * 
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|  * You should have received a copy of the GNU Lesser General Public License
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|  * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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|  * #L%
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|  */
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| package org.alfresco.repo.links;
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| 
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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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| 
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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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| /**
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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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|    
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|     protected static final String CANNED_QUERY_GET_CHILDREN = "linksGetChildrenCannedQueryFactory";
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|     
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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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|     
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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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|     
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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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|     
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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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|     
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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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|     
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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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|     
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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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|     
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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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|     
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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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|     
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|     public void setDictionaryService(DictionaryService dictionaryService)
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|     {
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|         this.dictionaryService = dictionaryService;
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|     }
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|     
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|     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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|     /**
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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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|     /**
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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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|     
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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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|        
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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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|        
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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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|        
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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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|        
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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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|        
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|        // Finally tags
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|        link.setTags(taggingService.getTags(nodeRef));
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|        
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|        // All done
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|        return link;
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|     }
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|     
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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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|        
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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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| 
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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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|        
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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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|        
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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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|        
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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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|        
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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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|        
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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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|        
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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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| 
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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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|        
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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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|        
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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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|        
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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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|        
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|        // Now do the tags
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|        taggingService.setTags(nodeRef, link.getTags());
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|        
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|        // All done
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|        return link;
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|     }
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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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| 
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|        nodeService.deleteNode(link.getNodeRef());
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|     }
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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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| 
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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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| 
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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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|     
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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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|        
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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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|        
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|        // Execute the canned query
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|        CannedQueryResults<NodeBackedEntity> results = cq.execute();
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|        
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|        // Convert to Link objects
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|        return wrap(results, container);
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|     }
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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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|        
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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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| 
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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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|        
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|        String sortOn = "@{http://www.alfresco.org/model/content/1.0}created";
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| 
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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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|        
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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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|        
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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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|        
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|        return pagedResults;
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|     }
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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++;
 | |
|           if (paging.getMaxItems()>0 && cnt>paging.getMaxItems())
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|           {
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|               break;
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|           }
 | |
|        }
 | |
|        
 | |
|        // Wrap
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|        return new PagingResults<LinkInfo>() 
 | |
|        {
 | |
|           @Override
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|           public boolean hasMoreItems() 
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|           {
 | |
|              try
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|              {
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|                 return finalLuceneResults.hasMore();
 | |
|              }
 | |
|              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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|              }
 | |
|           }
 | |
| 
 | |
|           @Override
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|           public Pair<Integer, Integer> getTotalResultCount() 
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|           {
 | |
|              int skipCount = 0;
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|              int itemsRemainingAfterThisPage = 0;
 | |
|              try
 | |
|              {
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|                 skipCount = finalLuceneResults.getStart();
 | |
|              }
 | |
|              catch(UnsupportedOperationException e)
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|              {
 | |
|                 skipCount = paging.getSkipCount();
 | |
|              }
 | |
|              try
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|              {
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|                 itemsRemainingAfterThisPage = finalLuceneResults.length();
 | |
|              }
 | |
|              catch(UnsupportedOperationException e) {}
 | |
|              
 | |
|              final int totalItemsInUnpagedResultSet = skipCount + itemsRemainingAfterThisPage;
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|              return new Pair<Integer, Integer>(totalItemsInUnpagedResultSet, totalItemsInUnpagedResultSet);
 | |
|           }
 | |
| 
 | |
|           @Override
 | |
|           public List<LinkInfo> getPage() 
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|           {
 | |
|              return links;
 | |
|           }
 | |
| 
 | |
|           @Override
 | |
|           public String getQueryExecutionId() 
 | |
|           {
 | |
|              return null;
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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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|      */
 | |
|     private PagingResults<LinkInfo> wrap(final PagingResults<NodeBackedEntity> results, final NodeRef container)
 | |
|     {
 | |
|        // Pre-load the nodes before we create them
 | |
|        List<Long> ids = new ArrayList<Long>();
 | |
|        for (NodeBackedEntity node : results.getPage())
 | |
|        {
 | |
|           ids.add(node.getId());
 | |
|        }
 | |
|        nodeDAO.cacheNodesById(ids);
 | |
|        
 | |
|        // Wrap
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|        return new PagingResults<LinkInfo>()
 | |
|        {
 | |
|            @Override
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|            public String getQueryExecutionId()
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|            {
 | |
|                return results.getQueryExecutionId();
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|            }
 | |
|            
 | |
|            @Override
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|            public List<LinkInfo> getPage()
 | |
|            {
 | |
|                List<LinkInfo> links = new ArrayList<LinkInfo>();
 | |
|                for (NodeBackedEntity node : results.getPage())
 | |
|                {
 | |
|                   NodeRef nodeRef = node.getNodeRef();
 | |
|                   String name = node.getName();
 | |
|                   links.add(buildLink(nodeRef, container, name));
 | |
|                }
 | |
|                return links;
 | |
|            }
 | |
|            
 | |
|            @Override
 | |
|            public boolean hasMoreItems()
 | |
|            {
 | |
|                return results.hasMoreItems();
 | |
|            }
 | |
|            
 | |
|            @Override
 | |
|            public Pair<Integer, Integer> getTotalResultCount()
 | |
|            {
 | |
|                return results.getTotalResultCount();
 | |
|            }
 | |
|        };
 | |
|     }
 | |
| }
 |