com.openkm.servlet.CssServlet.java Source code

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Here is the source code for com.openkm.servlet.CssServlet.java

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/**
 * OpenKM, Open Document Management System (http://www.openkm.com)
 * Copyright (c) 2006-2015 Paco Avila & Josep Llort
 * 
 * No bytes were intentionally harmed during the development of this application.
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

package com.openkm.servlet;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.openkm.core.DatabaseException;
import com.openkm.core.MimeTypeConfig;
import com.openkm.dao.CssDAO;
import com.openkm.dao.bean.Css;
import com.openkm.util.WebUtils;

/**
 * Css Styles Servlet
 */
public class CssServlet extends HttpServlet {
    private static Logger log = LoggerFactory.getLogger(CssServlet.class);
    private static final long serialVersionUID = 1L;

    /**
     * 
     */
    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws IOException, ServletException {
        String path = request.getPathInfo();
        OutputStream os = null;

        try {
            if (path.length() > 1) {
                String[] foo = path.substring(1).split("/");

                if (foo.length > 1) {
                    String context = foo[0];
                    String name = foo[1];
                    Css css = CssDAO.getInstance().findByContextAndName(context, name);

                    if (css == null) {
                        InputStream is = null;

                        try {
                            if (Css.CONTEXT_FRONTEND.equals(context)) {

                            } else if (Css.CONTEXT_EXTENSION.equals(context)) {
                                if ("htmlEditor".equals(name)) {
                                    is = getServletContext().getResourceAsStream("/css/tiny_mce/content.css");
                                }
                            }

                            if (is != null) {
                                css = new Css();
                                css.setContent(IOUtils.toString(is));
                                css.setContext(context);
                                css.setName(name);
                                css.setActive(true);
                            }
                        } finally {
                            IOUtils.closeQuietly(is);
                        }
                    }

                    if (css != null) {
                        // Prepare file headers
                        WebUtils.prepareSendFile(request, response, css.getName() + ".css", MimeTypeConfig.MIME_CSS,
                                false);
                        PrintWriter out = new PrintWriter(
                                new OutputStreamWriter(response.getOutputStream(), "UTF8"), true);
                        out.append(css.getContent());
                        out.flush();
                    }
                }
            }
        } catch (DatabaseException e) {
            log.error(e.getMessage(), e);
        } finally {
            IOUtils.closeQuietly(os);
        }
    }
}