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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, 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.ade.contenteditor;

import org.opencms.ade.contenteditor.shared.CmsContentDefinition;
import org.opencms.ade.contenteditor.shared.CmsExternalWidgetConfiguration;
import org.opencms.ade.contenteditor.shared.rpc.I_CmsContentService;
import org.opencms.gwt.CmsGwtActionElement;
import org.opencms.gwt.shared.CmsCoreData;
import org.opencms.util.CmsStringUtil;
import org.opencms.workplace.CmsWorkplace;
import org.opencms.workplace.editors.CmsEditor;

import java.util.HashSet;
import java.util.Set;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.jsp.PageContext;

/**
 * The content editor action element.

*/ public class CmsContentEditorActionElement extends CmsGwtActionElement { /** The OpenCms module name. */ public static final String CMS_MODULE_NAME = "org.opencms.ade.contenteditor"; /** The GWT module name. */ public static final String GWT_MODULE_NAME = CmsCoreData.ModuleKey.contenteditor.name(); /** * Constructor.

* * @param context the page context * @param req the servlet request * @param res the servlet response */ public CmsContentEditorActionElement(PageContext context, HttpServletRequest req, HttpServletResponse res) { super(context, req, res); } /** * @see org.opencms.gwt.CmsGwtActionElement#export() */ @Override public String export() throws Exception { return ""; } /** * @see org.opencms.gwt.CmsGwtActionElement#exportAll() */ @Override public String exportAll() throws Exception { StringBuffer sb = new StringBuffer(); sb.append(super.export()); sb.append(exportModuleScriptTag(GWT_MODULE_NAME)); sb.append(getPrefetch()); return sb.toString(); } /** * Adds link and script tags to the buffer if required for external widgets.

* * @param sb the string buffer to append the tags to * @param definition the content definition */ private void addExternalResourceTags(StringBuffer sb, CmsContentDefinition definition) { Set includedScripts = new HashSet(); Set includedStyles = new HashSet(); for (CmsExternalWidgetConfiguration configuration : definition.getExternalWidgetConfigurations()) { for (String css : configuration.getCssResourceLinks()) { // avoid including the same resource twice if (!includedStyles.contains(css)) { sb.append(""); includedStyles.add(css); } } for (String script : configuration.getJavaScriptResourceLinks()) { // avoid including the same resource twice if (!includedScripts.contains(script)) { sb.append(""); includedScripts.add(script); } } } } /** * Returns the prefetch data include.

* * @return the prefetch data include * * @throws Exception if something goes wrong */ private String getPrefetch() throws Exception { long timer = 0; if (CmsContentService.LOG.isDebugEnabled()) { timer = System.currentTimeMillis(); } CmsContentDefinition definition = CmsContentService.prefetch(getRequest()); StringBuffer sb = new StringBuffer(); String backlink = getRequest().getParameter(CmsEditor.PARAM_BACKLINK); if (CmsStringUtil.isEmptyOrWhitespaceOnly(backlink)) { backlink = link(CmsWorkplace.JSP_WORKPLACE_URI); } else { backlink = link(backlink); } sb.append(wrapScript(I_CmsContentService.PARAM_BACKLINK, "='", backlink, "';\n")); String prefetchedData = exportDictionary( I_CmsContentService.DICT_CONTENT_DEFINITION, I_CmsContentService.class.getMethod("prefetch"), definition); sb.append(prefetchedData); addExternalResourceTags(sb, definition); if (CmsContentService.LOG.isDebugEnabled()) { CmsContentService.LOG.debug( Messages.get().getBundle().key( Messages.LOG_TAKE_PREFETCHING_TIME_FOR_RESOURCE_2, definition.getSitePath(), "" + (System.currentTimeMillis() - timer))); } return sb.toString(); } }





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