Java tutorial
/* ***** 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> }