/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package com.controller;

import com.dao.StudentDAOLocal;
import com.model.Student;
import java.io.IOException;

import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author USER
 */
@WebServlet(name = "StudentServlet")
public class StudentServlet extends HttpServlet {
@EJB
private StudentDAOLocal studentDao;
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String action = request.getParameter("action");
String studentIdStr = request.getParameter("studentId");
int studentId=0;
if(studentIdStr!=null && !studentIdStr.equals("")){
studentId=Integer.parseInt(studentIdStr);
}
String firstname = request.getParameter("firstname");
String lastname = request.getParameter("lastname");
Student student = new Student(studentId, firstname, lastname);
if("Add".equalsIgnoreCase(action)){
studentDao.addStudent(student);
}else if("Edit".equalsIgnoreCase(action)){
studentDao.editStudent(student);
}else if("Delete".equalsIgnoreCase(action)){
studentDao.deleteStudent(studentId);
}else if("Search".equalsIgnoreCase(action)){
student = studentDao.getStudent(studentId);
}
request.setAttribute("student", student);
request.setAttribute("allStudents", studentDao.getAllStudents());
request.getRequestDispatcher("home.jsp").forward(request, response);
}
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
@Override
public String getServletInfo() {
return "Short description";
}// </editor-fold>
}
