in.raster.oviyam.servlet.LanguageServlet.java Source code

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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is part of Oviyam, an web viewer for DICOM(TM) images
* hosted at http://skshospital.net/pacs/webviewer/oviyam_0.6-src.zip
*
* The Initial Developer of the Original Code is
* Raster Images
* Portions created by the Initial Developer are Copyright (C) 2007
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Babu Hussain A
* Meer Asgar Hussain B
* Prakash J
* Suresh V
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */

package in.raster.oviyam.servlet;

import in.raster.oviyam.xml.handler.LanguageHandler;
import in.raster.oviyam.xml.model.Language;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.File;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.json.JSONArray;
import org.json.JSONObject;

/**
 *
 * @author sathees
 */
public class LanguageServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        PrintWriter out = response.getWriter();
        try {
            String option = request.getParameter("option");
            File tempDir = (File) getServletContext().getAttribute("javax.servlet.context.tempdir");
            LanguageHandler langHandler = new LanguageHandler(tempDir.getParent());

            /*String warName = request.getContextPath().substring(1);
            String tmpDirPath = tempDir.getAbsolutePath();
            tmpDirPath = tmpDirPath.substring(0, tmpDirPath.indexOf(warName));
            LanguageHandler langHandler = new LanguageHandler(tmpDirPath);*/

            if (option.equals("set")) {
                String language = request.getParameter("language");
                // Language lang = new Language();
                //lang.setLanguage(language);
                langHandler.updateLanguage(language);
                out.println("Success");
            } else if (option.equals("getall")) {
                response.setContentType("application/json");
                JSONArray langArray = new JSONArray(langHandler.getLanguage());
                out.println(langArray);
            } else {
                out.println(langHandler.getCurrentLanguage());
            }
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}