content: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH & Co. KG (https://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: https://www.alkacon.com
   *
   * For further information about OpenCms, please see the
   * project website: https://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.xml.containerpage;
  
  import org.opencms.file.CmsFile;
  import org.opencms.file.CmsObject;
  import org.opencms.file.CmsProperty;
  import org.opencms.file.CmsPropertyDefinition;
  import org.opencms.main.CmsException;
  import org.opencms.main.CmsLog;
  import org.opencms.main.OpenCms;
  import org.opencms.util.CmsStringUtil;
  import org.opencms.xml.content.CmsDefaultXmlContentHandler;
  import org.opencms.xml.content.CmsXmlContent;
  import org.opencms.xml.types.I_CmsXmlContentValue;
  
  import java.net.URI;
  import java.net.URISyntaxException;
  import java.util.Arrays;
  import java.util.Locale;
  
  import org.apache.commons.logging.Log;
  
  /**
   * Content handler for HTML redirects.<p>
   */
  public class CmsHtmlRedirectHandler extends CmsDefaultXmlContentHandler {
  
      /** The logger instance for this class. */
      private static final Log LOG = CmsLog.getLog(CmsHtmlRedirectHandler.class);
  
      /**
       * @see org.opencms.xml.content.CmsDefaultXmlContentHandler#prepareForWrite(org.opencms.file.CmsObject, org.opencms.xml.content.CmsXmlContent, org.opencms.file.CmsFile)
       */
      @Override
      public CmsFile prepareForWrite(CmsObject cms, CmsXmlContent content, CmsFile file) throws CmsException {
  
          CmsFile result = super.prepareForWrite(cms, content, file);
          try {
              String linkStr = getStringValue(cms, content, "Link");
              String typeStr = getStringValue(cms, content, "Type");
  
              if ("sublevel".equals(typeStr)) {
                  Locale locale = OpenCms.getLocaleManager().getDefaultLocale(cms, file);
                  String title = org.opencms.xml.containerpage.Messages.get().getBundle(locale).key(
                      org.opencms.xml.containerpage.Messages.GUI_REDIRECT_SUBLEVEL_TITLE_0);
                  CmsProperty titleProp = new CmsProperty(CmsPropertyDefinition.PROPERTY_TITLE, title, null);
                  cms.writePropertyObjects(file, Arrays.asList(titleProp));
              } else if (!CmsStringUtil.isEmptyOrWhitespaceOnly(linkStr)) {
                  boolean hasScheme = false;
                  try {
                      URI uri = new URI(linkStr);
                      hasScheme = uri.getScheme() != null;
                  } catch (URISyntaxException e) {
                      LOG.debug(e.getLocalizedMessage(), e);
                  }
                  if (!hasScheme) {
                      linkStr = cms.getRequestContext().removeSiteRoot(linkStr);
                  }
                  Locale locale = OpenCms.getLocaleManager().getDefaultLocale(cms, file);
                  String title = org.opencms.xml.containerpage.Messages.get().getBundle(locale).key(
                      org.opencms.xml.containerpage.Messages.GUI_REDIRECT_TITLE_1,
                      linkStr);
                  CmsProperty titleProp = new CmsProperty(CmsPropertyDefinition.PROPERTY_TITLE, title, null);
                  cms.writePropertyObjects(file, Arrays.asList(titleProp));
              }
          } catch (CmsException e) {
              LOG.error(e.getLocalizedMessage(), e);
          }
          return result;
      }
  
      private String getStringValue(CmsObject cms, CmsXmlContent content, String node) {
  
          I_CmsXmlContentValue val = content.getValue(node, Locale.ENGLISH);
          if (val == null) {
              return null;
          }
          return val.getStringValue(cms);
      }
  
  }
  