Java tutorial
/* * #%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.search; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import org.alfresco.error.AlfrescoRuntimeException; import org.alfresco.service.cmr.dictionary.DictionaryService; import org.alfresco.service.cmr.search.NamedQueryParameterDefinition; import org.alfresco.service.cmr.search.QueryParameterDefinition; import org.alfresco.service.namespace.NamespacePrefixResolver; import org.alfresco.service.namespace.NamespaceService; import org.alfresco.service.namespace.QName; import org.dom4j.Element; import org.dom4j.Namespace; public class CannedQueryDefImpl implements CannedQueryDef { private static final org.dom4j.QName ELEMENT_QNAME = new org.dom4j.QName("query-definition", new Namespace(NamespaceService.ALFRESCO_PREFIX, NamespaceService.ALFRESCO_URI)); private static final org.dom4j.QName QNAME = new org.dom4j.QName("qname", new Namespace(NamespaceService.ALFRESCO_PREFIX, NamespaceService.ALFRESCO_URI)); private static final org.dom4j.QName LANGUAGE = new org.dom4j.QName("language", new Namespace(NamespaceService.ALFRESCO_PREFIX, NamespaceService.ALFRESCO_URI)); private static final org.dom4j.QName QUERY = new org.dom4j.QName("query", new Namespace(NamespaceService.ALFRESCO_PREFIX, NamespaceService.ALFRESCO_URI)); private QName qName; private String language; private Map<QName, QueryParameterDefinition> queryParameterDefs = new HashMap<QName, QueryParameterDefinition>(); String query; QueryCollection container; public CannedQueryDefImpl(QName qName, String language, String query, List<QueryParameterDefinition> queryParameterDefs, QueryCollection container) { super(); this.qName = qName; this.language = language; this.query = query; for (QueryParameterDefinition paramDef : queryParameterDefs) { this.queryParameterDefs.put(paramDef.getQName(), paramDef); } this.container = container; } public QName getQname() { return qName; } public String getLanguage() { return language; } public Collection<QueryParameterDefinition> getQueryParameterDefs() { return Collections.unmodifiableCollection(queryParameterDefs.values()); } public String getQuery() { return query; } public NamespacePrefixResolver getNamespacePrefixResolver() { return container.getNamespacePrefixResolver(); } public static CannedQueryDefImpl createCannedQuery(Element element, DictionaryService dictionaryService, QueryCollection container, NamespacePrefixResolver nspr) { if (element.getQName().getName().equals(ELEMENT_QNAME.getName())) { QName qName = null; Element qNameElement = element.element(QNAME.getName()); if (qNameElement != null) { qName = QName.createQName(qNameElement.getText(), container.getNamespacePrefixResolver()); } String language = null; Element languageElement = element.element(LANGUAGE.getName()); if (languageElement != null) { language = languageElement.getText(); } String query = null; Element queryElement = element.element(QUERY.getName()); if (queryElement != null) { query = queryElement.getText(); } List<QueryParameterDefinition> queryParameterDefs = new ArrayList<QueryParameterDefinition>(); List list = element.elements(QueryParameterDefImpl.getElementQName().getName()); for (Iterator it = list.iterator(); it.hasNext(); /**/) { Element defElement = (Element) it.next(); NamedQueryParameterDefinition nqpd = QueryParameterDefImpl.createParameterDefinition(defElement, dictionaryService, nspr); queryParameterDefs.add(nqpd.getQueryParameterDefinition()); } list = element.elements(QueryParameterRefImpl.getElementQName().getName()); for (Iterator it = list.iterator(); it.hasNext(); /**/) { Element refElement = (Element) it.next(); NamedQueryParameterDefinition nqpd = QueryParameterRefImpl.createParameterReference(refElement, dictionaryService, container); QueryParameterDefinition resolved = nqpd.getQueryParameterDefinition(); if (resolved == null) { throw new AlfrescoRuntimeException("Unable to find refernce parameter : " + nqpd.getQName()); } queryParameterDefs.add(resolved); } return new CannedQueryDefImpl(qName, language, query, queryParameterDefs, container); } else { return null; } } public static org.dom4j.QName getElementQName() { return ELEMENT_QNAME; } public Map<QName, QueryParameterDefinition> getQueryParameterMap() { return Collections.unmodifiableMap(queryParameterDefs); } }