fr.natoine.servletTag.ServletTag.java Source code

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Here is the source code for fr.natoine.servletTag.ServletTag.java

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/*
 * Copyright 2010 Antoine Seilles (Natoine)
 *   This file is part of PortletAnnotation.
    
PortletUserAccount is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
PortletUserAccount 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 PortletAnnotation.  If not, see <http://www.gnu.org/licenses/>.
    
 */
package fr.natoine.servletTag;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
import javax.servlet.RequestDispatcher;
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.JSONException;
import org.json.JSONObject;

import fr.natoine.dao.annotation.DAOTag;
import fr.natoine.model_annotation.Tag;

public class ServletTag extends HttpServlet {
    private static DAOTag daoTag = null;
    private static EntityManagerFactory emf_annotation = null;

    /**
      * @see HttpServlet#HttpServlet()
      */
    public ServletTag() {
        super();
        emf_annotation = Persistence.createEntityManagerFactory("annotation");
        daoTag = new DAOTag(emf_annotation);
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        toDo(request, response);
    }

    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        toDo(request, response);
    }

    private void toDo(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        if (request.getParameter("type") != null) {
            String type = request.getParameter("type");
            List<Tag> tags = null;
            if (type.equalsIgnoreCase("tag"))
                tags = daoTag.retrieveAllTag();
            else if (type.equalsIgnoreCase("judgment"))
                tags = daoTag.retrieveAllJudgment();
            else if (type.equalsIgnoreCase("mood"))
                tags = daoTag.retrieveAllMood();
            else if (type.equalsIgnoreCase("domain"))
                tags = daoTag.retrieveAllDomain();
            if (tags != null && tags.size() > 0) {
                JSONArray jsonarray = new JSONArray();
                for (Tag tag : tags) {
                    JSONObject jsonobj = new JSONObject();
                    try {
                        jsonobj.put("id", tag.getId());
                        jsonobj.put("label", tag.getLabel());
                        jsonarray.put(jsonobj);
                    } catch (JSONException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }
                }
                //String liste = jsonarray.toString();
                JSONObject list_obj = new JSONObject();
                try {
                    list_obj.put("liste", jsonarray);
                } catch (JSONException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
                //response.setContentType("text");
                response.setContentType("application/json");
                String liste = list_obj.toString();
                //liste = liste.replaceAll("'", "\'");
                //liste = liste.replaceAll("\"", "\\\\\"");
                //liste = liste.replaceAll("\"", "");
                PrintWriter out = response.getWriter();
                out.print(liste);
                //request.setAttribute("liste", liste);
            }
        }
        //response.setContentType("text/html");
        //RequestDispatcher _srd = this.getServletContext().getRequestDispatcher(response.encodeURL("/WEB-INF/jsp/servletTag/tagsList.jsp"));
        //_srd.include(request, response);
    }
}