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/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package exemple;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionListener;
/**
*
* @author Minifish
*/
public class Chat extends HttpServlet implements HttpSessionListener{
private List<String> messages=new ArrayList<String>();
private HttpServletRequest lastRequest;
private HttpServletResponse lastResponse;
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{
lastRequest=request;
lastResponse=response;
lastResponse.setContentType("text/html;charset=UTF-8");
PrintWriter out = lastResponse.getWriter();
HttpSession session=lastRequest.getSession();
if(lastRequest.getParameter("deconnexion")==null){
if(lastRequest.getParameter("nom")!=null){
System.out.println("Dans code principal : "+lastRequest.getParameter("nom"));
}
if(lastRequest.getParameter("message")!=null){
messages.add(session.getAttribute("nom")+" : "+lastRequest.getParameter("message"));
}
try{
out.println("<html>");
out.println("<head>");
out.println("<title>Servlet MyForm</title>");
out.println("</head>");
out.println("<body>");
out.println("Bonjour "+session.getAttribute("nom")+"<br/>");
out.println("Session id ?"+session.getId()+"<br/>");
for(int i=0;i<messages.size();i++){
out.println(messages.get(i));
out.println("<br/>");
}
out.println("<form action=\"chat\" method=\"POST\">");
out.println("<input type=\"text\" name=\"message\" \\>");
out.println("<input type=\"submit\" name=\"envoyer\" value=\"Envoyer\"");
out.println("<input type=\"submit\" name=\"deconnexion\" value=\"Deconnexion\" ");
out.println("</form>");
out.println("</body>");
out.println("</html>");
}finally{
out.close();
}
}else{
RequestDispatcher rd;
rd=getServletContext().getRequestDispatcher("/connexion.html");
session.invalidate();
rd.forward(request, response);
}
}
@Override
public void sessionCreated(HttpSessionEvent se) {
System.out.println(lastRequest.getParameter("nom"));
}
@Override
public void sessionDestroyed(HttpSessionEvent se) {
System.out.println("Déconnexion");
}
} |
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