Package org.jamwiki.servlets

Source Code of org.jamwiki.servlets.PrintableServlet

/**
* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE, version 2.1, dated February 1999.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the latest version of the GNU Lesser General
* Public License as published by the Free Software Foundation;
*
* This program 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.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program (LICENSE.txt); if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
package org.jamwiki.servlets;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang.StringUtils;
import org.jamwiki.WikiBase;
import org.jamwiki.WikiException;
import org.jamwiki.WikiMessage;
import org.jamwiki.model.Topic;
import org.jamwiki.utils.WikiLogger;
import org.jamwiki.utils.WikiUtil;
import org.springframework.web.servlet.ModelAndView;

/**
* Used to display a print-friendly version of a topic.
*/
public class PrintableServlet extends JAMWikiServlet {

  private static final WikiLogger logger = WikiLogger.getLogger(PrintableServlet.class.getName());

  /**
   *
   */
  protected ModelAndView handleJAMWikiRequest(HttpServletRequest request, HttpServletResponse response, ModelAndView next, WikiPageInfo pageInfo) throws Exception {
    this.print(request, next, pageInfo);
    return next;
  }

  /**
   *
   */
  protected void initParams() {
    this.displayJSP = "printable";
  }

  /**
   *
   */
  private void print(HttpServletRequest request, ModelAndView next, WikiPageInfo pageInfo) throws Exception {
    String virtualWiki = pageInfo.getVirtualWikiName();
    String topicName = WikiUtil.getTopicFromRequest(request);
    if (StringUtils.isBlank(topicName)) {
      throw new WikiException(new WikiMessage("common.exception.notopic"));
    }
    Topic topic = WikiBase.getDataHandler().lookupTopic(virtualWiki, topicName, false, null);
    if (topic == null) {
      throw new WikiException(new WikiMessage("common.exception.notopic"));
    }
    WikiMessage pageTitle = new WikiMessage("topic.title", topicName);
    ServletUtil.viewTopic(request, next, pageInfo, pageTitle, topic, false, true);
  }
}
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