src/com/ischoolbar/programmer/servlet/LeaveServlet.java

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package com.ischoolbar.programmer.servlet;

import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.logging.Level;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.sf.json.JSONArray;
import net.sf.json.JSONObject;

import com.ischoolbar.programmer.dao.CourseDao;
import com.ischoolbar.programmer.dao.LeaveDao;
import com.ischoolbar.programmer.model.Course;
import com.ischoolbar.programmer.model.Leave;
import com.ischoolbar.programmer.model.Page;
import com.ischoolbar.programmer.model.Student;

public class LeaveServlet extends HttpServlet {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	
	
	public void doGet(HttpServletRequest request,HttpServletResponse response) throws IOException{
		doPost(request, response);
	}
	public void doPost(HttpServletRequest request,HttpServletResponse response) throws IOException{
		String method = request.getParameter("method");
		if("toLeaveServletListView".equals(method)){
			try {
				request.getRequestDispatcher("view/leaveList.jsp").forward(request, response);
			} catch (ServletException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}else if("AddLeave".equals(method)){
			addLeave(request,response);
		}else if("LeaveList".equals(method)){
			getLeaveList(request,response);
		}else if("EditLeave".equals(method)){
			editLeave(request,response);
		}else if("CheckLeave".equals(method)){
			checkLeave(request,response);
		}
		else if("DeleteLeave".equals(method)){
			deleteLeave(request,response);
		}
	}
	private void deleteLeave(HttpServletRequest request,
			HttpServletResponse response) {
		// TODO Auto-generated method stub
		int id = Integer.parseInt(request.getParameter("id"));