fwdmail.java

JAVA编程百例书中各章节的所有例子的源代码,包括套接字编程

package ch08.section06;

import java.io.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class FwdMail
    extends HttpServlet {
  private static final String CONTENT_TYPE = "text/html; charset=GBK";

  public void init() throws ServletException {
  }

  public void doGet(HttpServletRequest request, HttpServletResponse response) throws
      ServletException, IOException {
    response.setContentType(CONTENT_TYPE);
    PrintWriter out = response.getWriter();

    javax.servlet.http.HttpSession session = request.getSession();
    MailUser mailUser = (MailUser) session.getAttribute("_mailUser");
    String s_id = request.getParameter("id");
    int msg = Integer.parseInt(s_id);

    try {

      Folder inbox = mailUser.getInbox();
      Message[] msgs = inbox.getMessages();
      Message forward = new MimeMessage(mailUser.getSession());
      forward.setSubject("Fwd: " + msgs[msg].getSubject());
      forward.setFrom(new InternetAddress("[e-mail]"));
      forward.addRecipient(Message.RecipientType.TO,
                           new InternetAddress("[e-mail]"));
      BodyPart messageBodyPart = new MimeBodyPart();
      messageBodyPart.setText(
          "转发消息的实例:\n\n");
      Multipart multipart = new MimeMultipart();
      multipart.addBodyPart(messageBodyPart);
      messageBodyPart = new MimeBodyPart();
      messageBodyPart.setDataHandler(msgs[msg].getDataHandler());
      multipart.addBodyPart(messageBodyPart);
      forward.setContent(multipart);
      Transport.send(forward);
      out.println("信息转发成功。。。");
    }
    catch (MessagingException ex) {
      out.println("错误: " + ex.getMessage());
    }

  }

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

  public void destroy() {
  }
}