/* * #%L * Alfresco Repository * %% * Copyright (C) 2005 - 2016 Alfresco Software Limited * %% * This file is part of the Alfresco software. * If the software was purchased under a paid Alfresco license, the terms of * the paid license agreement will prevail. Otherwise, the software is * provided under the following open source license terms: * * Alfresco is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Alfresco is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with Alfresco. If not, see <http://www.gnu.org/licenses/>. * #L% */ package org.alfresco.repo.template; import java.util.ArrayList; import java.util.Collections; import java.util.HashSet; import java.util.List; import org.alfresco.error.AlfrescoRuntimeException; import org.alfresco.service.ServiceRegistry; import org.alfresco.service.cmr.repository.NodeRef; import org.alfresco.service.cmr.repository.NodeService; import org.alfresco.service.cmr.search.ResultSet; import org.alfresco.service.cmr.search.ResultSetRow; import org.alfresco.service.cmr.search.SearchService; /** * Class providing the base Search Query services to execute a search returning a list of TemplateNode objects from a Lucene search string. * * @author Kevin Roast */ public abstract class BaseSearchResultsMap extends BaseTemplateMap { /** * Constructor * * @param parent * The parent TemplateNode to execute searches from * @param services * The ServiceRegistry to use */ public BaseSearchResultsMap(TemplateNode parent, ServiceRegistry services) { super(parent, services); } /** * Perform a SearchService query with the given Lucene search string */ protected List<TemplateNode> query(String search) { List<TemplateNode> nodes = null; HashSet<NodeRef> nodeRefs = new HashSet<NodeRef>(); // check if a full Lucene search string has been supplied or extracted from XML if (search != null && search.length() != 0) { // perform the search against the repo ResultSet results = null; try { results = this.services.getSearchService().query(this.parent.getNodeRef().getStoreRef(), SearchService.LANGUAGE_LUCENE, search); if (results.length() != 0) { NodeService nodeService = this.services.getNodeService(); nodes = new ArrayList<TemplateNode>(results.length()); for (ResultSetRow row : results) { NodeRef nodeRef = row.getNodeRef(); if (!nodeRefs.contains(nodeRef) && (nodeService.exists(nodeRef))) { nodes.add(new TemplateNode(nodeRef, services, this.parent.getImageResolver())); nodeRefs.add(nodeRef); } } } } catch (Throwable err) { throw new AlfrescoRuntimeException("Failed to execute search: " + search, err); } finally { if (results != null) { results.close(); } } } return nodes != null ? nodes : (List) Collections.emptyList(); } }