logindeptservlet.java

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package com.login;

import java.io.IOException;

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 org.springframework.context.ApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

import java.util.*;
import java.io.*;

public class LoginDeptServlet extends HttpServlet {

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws IOException, ServletException {
		request.setCharacterEncoding("UTF-8");
		String dept = request.getParameter("dept");
		HttpSession session = request.getSession();
		try {
			ApplicationContext ctx = WebApplicationContextUtils
					.getRequiredWebApplicationContext(getServletContext());
			com.hbmDAO.PersonDAO dao = (com.hbmDAO.PersonDAO) ctx
					.getBean("personDAO");
			Collection userlogins = dao.queryPersonByDept(dept);
			request.setAttribute("dept", dept);
			request.setAttribute("userlogins", userlogins);
			RequestDispatcher requestDispatcher = request
					.getRequestDispatcher("/login.jsp");
			requestDispatcher.forward(request, response);
		} catch (Exception e) {
			request.setAttribute("dept", dept);
			RequestDispatcher requestDispatcher = request
					.getRequestDispatcher("/login.jsp");
			requestDispatcher.forward(request, response);
		}
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws IOException, ServletException {
		doGet(request, response);
	}

}