AdServlet.java

/**
 * Mad-Advertisement
 * Copyright (C) 2011 Thorsten Marx <thmarx@gmx.net>
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */
package net.mad.ads.server.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

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

import net.mad.ads.server.utils.AdServerConstants;
import net.mad.ads.server.utils.RuntimeContext;
import net.mad.ads.server.utils.http.listener.AdContextListener;

/**
 *
 * @author tmarx
 */
public class AdServlet 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 {
        response.setContentType("text/javascript;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
        	
        	Map<String, Object> context = new HashMap<String, Object>();
        	
        	String adselect_url = RuntimeContext.getProperties().getProperty(AdServerConstants.CONFIG.PROPERTIES.ADSERVER_SELECT_URL, "");
        	String adserver_url = RuntimeContext.getProperties().getProperty(AdServerConstants.CONFIG.PROPERTIES.ADSERVER_URL, "");
        	context.put("adselect_url", adselect_url);
        	context.put("adserver_url", adserver_url);
        	context.put("adrequest_id", AdContextListener.ADCONTEXT.get().getRequestid());
        	
        	context.put("enviroment", RuntimeContext.getEnviroment().toLowerCase());
        	
        	String content = RuntimeContext.getTemplateManager().processTemplate("ads", context);
            out.println(content);
        } finally { 
            out.close();
        }
    } 

    /** 
     * 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";
    }

}