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 GmbH & Co. KG, 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.jsp;
  
  import org.opencms.file.CmsObject;
  import org.opencms.flex.CmsFlexController;
  import org.opencms.i18n.CmsMessages;
  import org.opencms.main.CmsLog;
  import org.opencms.main.OpenCms;
  
  import javax.servlet.ServletRequest;
  import javax.servlet.jsp.JspException;
  import javax.servlet.jsp.tagext.BodyContent;
  import javax.servlet.jsp.tagext.BodyTagSupport;
  
  import org.apache.commons.logging.Log;
  
  /**
   * Provides access to the labels stored in the
   * language files of the OpenCms workplace.<p>
   *
   * Instead of using the XML based workplace tags one should
   * consider using standard Java resource bundles to provide language independent
   * implementations.<p>
   *
   * @since 6.0.0
   */
  public class CmsJspTagLabel extends BodyTagSupport {
  
      /** The log object for this class. */
      private static final Log LOG = CmsLog.getLog(CmsJspTagLabel.class);
  
      /** Serial version UID required for safe serialization. */
      private static final long serialVersionUID = 5720473164730803034L;
  
      /**
       * Internal action method.<p>
       *
       * @param label the label to look up
       * @param req the current request
       * @return String the value of the selected label
       */
      public static String wpLabelTagAction(String label, ServletRequest req) {
  
          CmsObject cms = CmsFlexController.getCmsObject(req);
          CmsMessages messages = OpenCms.getWorkplaceManager().getMessages(cms.getRequestContext().getLocale());
          return messages.key(label);
      }
  
      /**
       * @see javax.servlet.jsp.tagext.IterationTag#doAfterBody()
       */
      @Override
      public int doAfterBody() throws JspException {
  
          ServletRequest req = pageContext.getRequest();
  
          // This will always be true if the page is called through OpenCms
          if (CmsFlexController.isCmsRequest(req)) {
              try {
  
                  // Get label string from the body and reset body
                  BodyContent body = getBodyContent();
                  String label = body.getString();
                  body.clearBody();
  
                  // Get the result...
                  String result = wpLabelTagAction(label, req);
                  getPreviousOut().print(result);
  
              } catch (Exception ex) {
                  if (LOG.isErrorEnabled()) {
                      LOG.error(Messages.get().getBundle().key(Messages.ERR_PROCESS_TAG_1, "label"), ex);
                  }
                  throw new javax.servlet.jsp.JspException(ex);
              }
          }
          return SKIP_BODY;
      }
  
  }
  