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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.ade.configuration.CmsADEConfigData;
import org.opencms.file.CmsFile;
import org.opencms.file.CmsObject;
import org.opencms.file.CmsResource;
import org.opencms.main.CmsException;
import org.opencms.main.CmsLog;
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.containerpage.CmsContainerElementBean;
import org.opencms.xml.containerpage.CmsContainerPageBean;
import org.opencms.xml.containerpage.CmsFormatterConfiguration;
import org.opencms.xml.containerpage.CmsXmlContainerPage;
import org.opencms.xml.containerpage.CmsXmlContainerPageFactory;
import org.opencms.xml.content.CmsXmlContentFactory;
import org.opencms.xml.types.I_CmsXmlContentValue;

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

import org.apache.commons.logging.Log;

/**
 * Lucene document factory class to extract index data from a resource
 * of type CmsResourceTypeContainerPage.

* * @since 8.0 */ public class CmsDocumentContainerPage extends A_CmsVfsDocument { /** The log object for this class. */ private static final Log LOG = CmsLog.getLog(CmsDocumentContainerPage.class); /** * Creates a new instance of this lucene document factory.

* * @param name name of the document type */ public CmsDocumentContainerPage(String name) { super(name); } /** * Generates a new lucene document instance from contents of the given resource for the provided index.

* * For container pages, we must not cache based on the container page content age, * since the content of the included elements may change any time. */ @Override public I_CmsSearchDocument createDocument(CmsObject cms, CmsResource resource, CmsSearchIndex index) throws CmsException { // extract the content from the resource I_CmsExtractionResult content = null; if (index.isExtractingContent()) { // do full text content extraction only if required try { content = extractContent(cms, resource, index); } catch (Exception e) { // text extraction failed for document - continue indexing meta information only LOG.error(Messages.get().getBundle().key(Messages.ERR_TEXT_EXTRACTION_1, resource.getRootPath()), e); } } // create the Lucene document according to the index field configuration return index.getFieldConfiguration().createDocument(cms, resource, index, content); } /** * Returns the raw text content of a VFS resource of type CmsResourceTypeContainerPage.

* * @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); CmsXmlContainerPage containerPage = CmsXmlContainerPageFactory.unmarshal(cms, file); Locale locale = index.getLocaleForResource(cms, resource, null); // initialize return values StringBuffer content = new StringBuffer(); LinkedHashMap items = new LinkedHashMap(); CmsContainerPageBean containerBean = containerPage.getContainerPage(cms); for (CmsContainerElementBean element : containerBean.getElements()) { // check all elements in this container // get the formatter configuration for this element element.initResource(cms); CmsADEConfigData adeConfig = OpenCms.getADEManager().lookupConfiguration(cms, file.getRootPath()); CmsFormatterConfiguration formatters = adeConfig.getFormatters(cms, element.getResource()); if (formatters.isSearchContent(element.getFormatterId())) { // the content of this element must be included for the container page element.initResource(cms); CmsFile elementFile = readFile(cms, element.getResource()); A_CmsXmlDocument elementContent = CmsXmlContentFactory.unmarshal(cms, elementFile); List elementNames = elementContent.getNames(locale); for (String xpath : elementNames) { // xpath will have the form "Text[1]" or "Nested[1]/Text[1]" I_CmsXmlContentValue value = elementContent.getValue(xpath, locale); if (value.getContentDefinition().getContentHandler().isSearchable(value)) { // the content value is searchable String extracted = value.getPlainText(cms); if (CmsStringUtil.isNotEmptyOrWhitespaceOnly(extracted)) { items.put(elementFile.getRootPath() + "/" + 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#isLocaleDependend() */ public boolean isLocaleDependend() { return true; } /** * @see org.opencms.search.documents.I_CmsDocumentFactory#isUsingCache() */ public boolean isUsingCache() { return true; } }





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