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OpenCms is an enterprise-ready, easy to use website content management system based on Java and XML technology. Offering a complete set of features, OpenCms helps content managers worldwide to create and maintain beautiful websites fast and efficiently.

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/*
 * This library is part of OpenCms -
 * the Open Source Content Management System
 *
 * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
 *
 * This library 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 2.1 of the License, or (at your option) any later version.
 *
 * This library 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.
 *
 * For further information about Alkacon Software GmbH & Co. KG, please see the
 * company website: http://www.alkacon.com
 *
 * For further information about OpenCms, please see the
 * project website: http://www.opencms.org
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package org.opencms.search.documents;

import org.opencms.file.CmsFile;
import org.opencms.file.CmsObject;
import org.opencms.file.CmsResource;
import org.opencms.file.types.CmsResourceTypeXmlContent;
import org.opencms.file.types.I_CmsResourceType;
import org.opencms.main.CmsException;
import org.opencms.main.OpenCms;
import org.opencms.search.CmsIndexException;
import org.opencms.search.CmsSearchIndex;
import org.opencms.search.I_CmsSearchDocument;
import org.opencms.search.extractors.CmsExtractionResult;
import org.opencms.search.extractors.I_CmsExtractionResult;
import org.opencms.util.CmsStringUtil;
import org.opencms.xml.A_CmsXmlDocument;
import org.opencms.xml.CmsXmlContentDefinition;
import org.opencms.xml.content.CmsXmlContentFactory;
import org.opencms.xml.content.I_CmsXmlContentHandler;
import org.opencms.xml.types.I_CmsXmlContentValue;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Locale;

/**
 * Lucene document factory class to extract index data from an OpenCms VFS resource
 * of type CmsResourceTypeXmlContent.

* * All XML nodes from the content for all locales will be stored separately in the item map * which you can access using {@link CmsExtractionResult#getContentItems()}. The XML elements will be * accessible using their xpath. The xpath will have the form like for example * Text[1] or Nested[1]/Text[1].

* * @since 6.0.0 */ public class CmsDocumentXmlContent extends A_CmsVfsDocument { /** * Creates a new instance of this lucene document factory.

* * @param name name of the document type */ public CmsDocumentXmlContent(String name) { super(name); } /** * * @see org.opencms.search.documents.A_CmsVfsDocument#createDocument(org.opencms.file.CmsObject, org.opencms.file.CmsResource, org.opencms.search.CmsSearchIndex) */ @Override public I_CmsSearchDocument createDocument(CmsObject cms, CmsResource resource, CmsSearchIndex index) throws CmsException { CmsXmlContentDefinition def = CmsXmlContentDefinition.getContentDefinitionForResource(cms, resource); if (def.getContentHandler().isContainerPageOnly()) { return null; } return super.createDocument(cms, resource, index); } /** * Returns the raw text content of a given VFS resource of type CmsResourceTypeXmlContent.

* * All XML nodes from the content for all locales will be stored separately in the item map * which you can access using {@link CmsExtractionResult#getContentItems()}. The XML elements will be * accessible using their xpath. The xpath will have the form like for example * Text[1] or Nested[1]/Text[1].

* * @see org.opencms.search.documents.I_CmsSearchExtractor#extractContent(CmsObject, CmsResource, CmsSearchIndex) */ public I_CmsExtractionResult extractContent(CmsObject cms, CmsResource resource, CmsSearchIndex index) throws CmsException { logContentExtraction(resource, index); try { CmsFile file = readFile(cms, resource); A_CmsXmlDocument xmlContent = CmsXmlContentFactory.unmarshal(cms, file); I_CmsXmlContentHandler handler = xmlContent.getHandler(); Locale locale = index.getLocaleForResource(cms, resource, xmlContent.getLocales()); List elements = xmlContent.getNames(locale); StringBuffer content = new StringBuffer(); LinkedHashMap items = new LinkedHashMap(); for (Iterator i = elements.iterator(); i.hasNext();) { String xpath = i.next(); // xpath will have the form "Text[1]" or "Nested[1]/Text[1]" I_CmsXmlContentValue value = xmlContent.getValue(xpath, locale); if (handler.isSearchable(value)) { // the content value is searchable String extracted = value.getPlainText(cms); if (CmsStringUtil.isNotEmptyOrWhitespaceOnly(extracted)) { items.put(xpath, extracted); content.append(extracted); content.append('\n'); } } } return new CmsExtractionResult(content.toString(), items); } catch (Exception e) { throw new CmsIndexException( Messages.get().container(Messages.ERR_TEXT_EXTRACTION_1, resource.getRootPath()), e); } } /** * @see org.opencms.search.documents.I_CmsDocumentFactory#getDocumentKeys(java.util.List, java.util.List) */ @Override public List getDocumentKeys(List resourceTypes, List mimeTypes) throws CmsException { if (resourceTypes.contains("*")) { // we need to find all configured XML content types List allTypes = new ArrayList(); for (Iterator i = OpenCms.getResourceManager().getResourceTypes().iterator(); i.hasNext();) { I_CmsResourceType resourceType = i.next(); if ((resourceType instanceof CmsResourceTypeXmlContent) // either we need a configured schema, or another class name (which must then contain an inline schema) && (((CmsResourceTypeXmlContent)resourceType).getConfiguration().containsKey( CmsResourceTypeXmlContent.CONFIGURATION_SCHEMA) || !CmsResourceTypeXmlContent.class.equals(resourceType.getClass()))) { // add the XML content resource type name allTypes.add(resourceType.getTypeName()); } } resourceTypes = allTypes; } return super.getDocumentKeys(resourceTypes, mimeTypes); } /** * @see org.opencms.search.documents.I_CmsDocumentFactory#isLocaleDependend() */ public boolean isLocaleDependend() { return true; } /** * @see org.opencms.search.documents.I_CmsDocumentFactory#isUsingCache() */ public boolean isUsingCache() { return true; } }





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