import javax.servlet.http.*;

import java.io.*;
import java.util.Vector;
import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import jess.JessException;
import jess.Rete;
import se.liu.ida.JessTab.JessTabFunctions;

/**
 *  Applet <-> Servlet communication.
 */
public class ChargementServlet extends HttpServlet {

    Rete moteur;


	public void initialisation(ServletConfig config){ ////config ???///
		try {
//			System.out.println("demarage de service");
			moteur = new Rete();
			moteur.addUserpackage(new JessTabFunctions());
			moteur.executeCommand("(load-project Turb-Onto.pprj)");
			ServletContext context  = config.getServletContext();    //*******???//
			context.setAttribute("moteurJess",moteur);		       //****?????//
		    }     catch (JessException e1) {e1.printStackTrace();}
	                  }
	/**
	 * Get a String-object from the applet and send it back.
	 */
	public void doPost(
		HttpServletRequest request,
		HttpServletResponse response)
		throws ServletException, IOException {
		try {
//
            init();///??????????????????????????????????//
//            initialisation(ServletConfig config);///????//
			response.setContentType("application/x-java-serialized-object");

			// Lecture de la requet de l'applet
			InputStream in = request.getInputStream();
			ObjectInputStream inputFromApplet = new ObjectInputStream(in);
			String Tranche = (String) inputFromApplet.readObject();

			 moteur.store("CHAINE",Tranche);

	         Batch.run(moteur,"pgm1.clp");
	    	      moteur.eval("(defquery printSys (object (is-a ?c)(CODE_PARENT_GEOGRAPHIQUE ?m)))");
	    	      Query2 querySYS = null;
	    	      querySYS = new Query2 (moteur,"printSys");
	              //traiter la requete
	    	      Vector listeReponse=new Vector();
	    	      querySYS.traitement("printSys",listeReponse);
	    	      //remes le res au applet


			// Envoi de la réponse :APPLET.
			OutputStream outstr = response.getOutputStream();
			ObjectOutputStream oos = new ObjectOutputStream(outstr);
			oos.writeObject(listeReponse);
			oos.flush();
			oos.close();

		} catch (Exception e) {
			e.printStackTrace();
		}
	}

}