org.jamwiki.servlets.StylesheetServlet.java Source code

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Here is the source code for org.jamwiki.servlets.StylesheetServlet.java

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/**
 * 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 java.io.PrintWriter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.jamwiki.WikiBase;
import org.jamwiki.utils.WikiLogger;
import org.springframework.web.servlet.ModelAndView;

/**
 * Used to generate the jamwiki.css stylesheet.
 */
public class StylesheetServlet extends JAMWikiServlet {

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

    /**
     * This servlet requires slightly different initialization parameters from most
     * servlets.
     */
    public StylesheetServlet() {
        this.layout = false;
    }

    /**
     *
     */
    public ModelAndView handleJAMWikiRequest(HttpServletRequest request, HttpServletResponse response,
            ModelAndView next, WikiPageInfo pageInfo) throws Exception {
        String virtualWiki = pageInfo.getVirtualWikiName();
        String stylesheet = ServletUtil.cachedContent(request.getContextPath(), request.getLocale(), virtualWiki,
                WikiBase.SPECIAL_PAGE_SYSTEM_CSS, false);
        stylesheet += '\n' + ServletUtil.cachedContent(request.getContextPath(), request.getLocale(), virtualWiki,
                WikiBase.SPECIAL_PAGE_CUSTOM_CSS, false);
        response.setContentType("text/css");
        response.setCharacterEncoding("UTF-8");
        // cache for 30 minutes (60 * 30 = 1800)
        // FIXME - make configurable
        response.setHeader("Cache-Control", "max-age=1800");
        PrintWriter out = response.getWriter();
        out.print(stylesheet);
        out.close();
        // do not load defaults or redirect - return as raw CSS
        return null;
    }
}