receivesimplemail.java

介绍了j2ee开发常用的学习知识,如servlet,javamail,EJB等知识,并有项目源码.

/*
 * ReceiveSimpleMail.java
 *
 * Created on 2007年11月29日, 上午10:10
 */

package com.mail;

import java.io.*;
import java.util.Properties;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Store;
import javax.mail.internet.MimeMessage;

import javax.servlet.*;
import javax.servlet.http.*;

/**
 *
 * @author hyl
 * @version
 */
public class ReceiveSimpleMail extends HttpServlet {
    
    /** Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
       String host ="127.0.0.1" ;
		String user=request.getParameter("user");
		String password=request.getParameter("password");
		String protocol=request.getParameter("protocol");
		String url=null;
		String root=null;
		try{
		Properties props = System.getProperties();
		Session sess= Session.getDefaultInstance(props ,null);
		sess.setDebug(true);
		Store store = null;
		store = sess.getStore(protocol);
		store.connect(host, user, password);
		Folder folder = store.getFolder("INBOX");
		folder.open(Folder.READ_ONLY);
		Message message[] = folder.getMessages();
		int size=message.length;
		if(size==0){
			RequestDispatcher rd =request.getRequestDispatcher("/emptyMailBox.jsp");
			rd.forward(request,response);	
		}
		MimeMessage mm=(MimeMessage)message[0];
		request.setAttribute("mail",mm);
		RequestDispatcher rd =request.getRequestDispatcher("/mailcontent.jsp");
		rd.forward(request,response);
		}catch (MessagingException e){
			System.out.println(e.toString());
		}

    }
    
    // <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
     */
    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
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }
    
    /** Returns a short description of the servlet.
     */
    public String getServletInfo() {
        return "Short description";
    }
    // </editor-fold>
}