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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.controler.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();
}
}
JSONObject list_obj = new JSONObject();
try
{
list_obj.put("liste", jsonarray);
} catch (JSONException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
response.setContentType("text");
String liste = list_obj.toString();
PrintWriter out = response.getWriter() ;
out.print(liste);
}
}
}
} |
