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/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package net.max.ee.sfsb;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
/**
*
* @author mk
*/
public class SFSBDriverServlet 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/html;charset=UTF-8");
PrintWriter out = response.getWriter();
try {
out.println("<html>");
out.println("<head>");
out.println("<title>Servlet SFSBDriverServlet</title>");
out.println("</head>");
out.println("<body>");
out.println("<h1>Servlet SFSBDriverServlet at " + request.getContextPath () + "</h1>");
out.println("<h1>SFSBDriverServlet looking up jndi using: java:global/SFSBDriver/SimpleSessionBean </h1>");
out.println("<h1>SFSBDriverServlet looking up jndi using: java:global/SFSBDriver/SimpleSessionBean </h1>");
HttpSession session = request.getSession(true);
Integer intAttr = (Integer) session.getAttribute("intAttr");
String KEY_1 = "SFSB_1";
String KEY_2 = "SFSB_2";
SimpleSessionBean sfsb1 = (SimpleSessionBean) session.getAttribute(KEY_1);
SimpleSessionBean sfsb2 = (SimpleSessionBean) session.getAttribute(KEY_2);
out.println("Integer attr: " + intAttr);
intAttr = (intAttr == null) ? 0 : (intAttr.intValue() + 1);
session.setAttribute("intAttr", intAttr);
out.println("<h1>From session SFSB[1] NOT NULL ?: " + ("" + (sfsb1 != null)) + " </h1>");
out.println("<h1>From session SFSB[2] NOT NULL? : " + ("" + (sfsb2 != null)) + " </h1>");
if (sfsb1 == null) {
InitialContext ctx = new InitialContext();
sfsb1 = (SimpleSessionBean) ctx.lookup("java:global/SFSBDriver/SimpleSessionBean");
sfsb2 = (SimpleSessionBean) ctx.lookup("java:global/SFSBDriver/SimpleSessionBean");
out.println("<h1>Created SFSB[1]: " + sfsb1.asString() + " </h1>");
out.println("<h1>Created SFSB[2]: " + sfsb2.asString() + " </h1>");
} else {
try {
out.println("<h1>Retrieved SFSB[1]: " + sfsb1.asString() + " </h1>");
sfsb1.incrementCounter();
} catch (Exception ex1) {
out.println("<h1>Error while accessing SFSB[1] </h1>");
ex1.printStackTrace(out);
}
try {
out.println("<h1>Retrieved SFSB[2]: " + sfsb2.asString() + " </h1>");
sfsb2.incrementCounter();
} catch (Exception ex2) {
out.println("<h1>Error while accessing SFSB[2] </h1>");
ex2.printStackTrace(out);
}
}
session.setAttribute(KEY_1, sfsb1);
session.setAttribute(KEY_2, sfsb2);
out.println("</body>");
out.println("</html>");
} catch (Exception nmEx) {
nmEx.printStackTrace(out);
} finally {
out.close();
}
}
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
/**
* 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";
}// </editor-fold>
}