deletesendmsgservlet.java

oa办公系统

package cn.jx.ecjtu.oa.servlets.msg;

import java.io.IOException;
import java.io.PrintWriter;

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

import cn.jx.ecjtu.oa.services.MessageService;
import cn.jx.ecjtu.oa.services.ServiceFactory;

public class DeleteSendMsgServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public DeleteSendMsgServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 * 
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request
	 *            the request send by the client to the server
	 * @param response
	 *            the response send by the server to the client
	 * @throws ServletException
	 *             if an error occurred
	 * @throws IOException
	 *             if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		doPost(request, response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 * 
	 * This method is called when a form has its tag value method equals to
	 * post.
	 * 
	 * @param request
	 *            the request send by the client to the server
	 * @param response
	 *            the response send by the server to the client
	 * @throws ServletException
	 *             if an error occurred
	 * @throws IOException
	 *             if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String[] sMsgId = request.getParameterValues("msg_select");
		int[] msgIds = new int[sMsgId.length];
		try {
			for (int i = 0; i < sMsgId.length; i++) {
				msgIds[i] = Integer.parseInt(sMsgId[i]);
			}
		} catch (Exception e) {
		}
		try {
			for (int i = 0; i < msgIds.length; i++) {
				msgService.delSendMsg( msgIds[i]);
			}
			response.sendRedirect("sendedmsg");
		} catch (Exception e) {
			request.getRequestDispatcher("error.jsp")
					.forward(request, response);
		}
	}

	/**
	 * Initialization of the servlet. <br>
	 * 
	 * @throws ServletException
	 *             if an error occure
	 */
	private MessageService msgService;
	public void init() throws ServletException {
		msgService=(MessageService)ServiceFactory.getService(MessageService.class);
	}

}