//Sign Me Up Servlet
package ca.bc.webarts.servlet;


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

import javax.servlet.*;
import javax.servlet.http.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;

/**
 * This is a <B>servlet</b> that sends a simple mail message using the JavaMail APIs
 *
 * @author Tom Gutwin P.Eng.
 */
public class InfoByEmailSignUp extends HttpServlet implements SingleThreadModel {
    static String msgText = "This is a message body.<BR>\nHere's the second line.";
  String emailAddr;
    /**
     * This method handles the GET requests for the client.
     */
    public void doGet (HttpServletRequest req, HttpServletResponse res)
  throws ServletException, IOException {

  // Set the content type
      res.setContentType("text/html");

  // Return early if this is a HEAD
  if (req.getMethod().equals("HEAD")) return;

  // Proceed otherwise
  PrintWriter out = res.getWriter();
  String name = req.getParameter("name");
  String docTitle = req.getParameter("title");
  emailAddr = req.getParameter("FormsEditField2");
  if(emailAddr.equals(null)) emailAddr =  "webupdaterequest@ieee-spm2001.org";
  boolean debug = true;
  String to = "webupdaterequest@ieee-spm2001.org";
  String from = emailAddr;
  String host = "aurora1.webarts.bc.ca";
  msgText = "\nSUBSCRIBE " + emailAddr;

  // create some properties and get the default Session
  Properties props = new Properties();
  props.put("mail.smtp.host", host);
  if (debug) props.put("mail.debug", "true");

  Session session = Session.getDefaultInstance(props, null);
  session.setDebug(debug);

  try {
      // create a message
      Message msg = new MimeMessage(session);
      msg.setFrom(new InternetAddress(from));
      InternetAddress[] address = {new InternetAddress(to)};
      msg.setRecipients(Message.RecipientType.TO, address);
      msg.setSubject("SUBSCRIBE SPM2001 WEBUPDATE");
      msg.setSentDate(new Date());
      // If the desired charset is known, you can use
      // setText(text, charset)
      msg.setText(msgText);

      Transport.send(msg);
  } catch (MessagingException mex) {
      System.out.println("\n--Exception handling in emailme.java");

      mex.printStackTrace();
      System.out.println();
      Exception ex = mex;
      do {
    if (ex instanceof SendFailedException) {
        SendFailedException sfex = (SendFailedException)ex;
        Address[] invalid = sfex.getInvalidAddresses();
        if (invalid != null) {
      System.out.println("    ** Invalid Addresses");
      if (invalid != null) {
          for (int i = 0; i < invalid.length; i++)
        System.out.println("         " + invalid[i]);
      }
        }
        Address[] validUnsent = sfex.getValidUnsentAddresses();
        if (validUnsent != null) {
      System.out.println("    ** ValidUnsent Addresses");
      if (validUnsent != null) {
          for (int i = 0; i < validUnsent.length; i++)
        System.out.println("         "+validUnsent[i]);
      }
        }
        Address[] validSent = sfex.getValidSentAddresses();
        if (validSent != null) {
      System.out.println("    ** ValidSent Addresses");
      if (validSent != null) {
          for (int i = 0; i < validSent.length; i++)
        System.out.println("         "+validSent[i]);
      }
        }
    }
    System.out.println();
      } while ((ex = ((MessagingException)ex).getNextException())
         != null);
  }

  // Make up the response
  out.println(htmlDocHeader("IEEE Power Engineering Society - Summer Power Meeting 2001"));
  out.println(htmlDocBody());
  }

  /**
     * This method handles the "POST" submission.
     * The <code>send</code> parameter denotes
     * that the method is processing the compose form submission.
     */
    public  void doPost(HttpServletRequest req, HttpServletResponse res)
  throws ServletException, IOException {

  doGet(req, res);
  }

  /**
  * This method returns a string containing the HTML to make up the body of a document.
  * It will include everything  from the original <code> body </code> tag to the closing
  * <code> body</code> and <code> html</code> .
  */
  private String htmlDocBody(){
    String retVal = "";
    retVal += "<BODY BGCOLOR=\"#99ccff\" >\n";
    retVal += "<H2><font color=\"#203080\">Summer Power Meeting 2001<BR>Site Change Notification Confirmation</font></h2>\n";
    retVal +=  "<IMG SRC=\"http://ieee.ca/vancouver/graphics/rainbowline.gif\" border=0 align=\"bottom\" alt=\".........................................................\"><BR>\n";
    retVal += "<BR><I>" + emailAddr + "</I><BR><BR>\n<A HREF=\"http://www.ieee-spm2001.org\" alt=\"Home Page\">Back To IEEE SPM 2001 Home</A>";
    retVal += "</body>\n</html>";
    return retVal;
  }

  /**
  * This method returns a string containing the HTML to make up the heading of a document.
  * It will include everything  from the original <code> html </code> tag to the
  * <code> head </code> BUT not the <code> body</code> .
  */
  private String htmlDocHeader(String title){
    String retVal = "";
    retVal += "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 3.0//EN\">\n";
    retVal += "<HTML>\n";
    retVal += "<HEAD>\n";
    retVal += "<TITLE>" + title + "</TITLE>\n";
    retVal += "</HEAD>\n";


    return retVal;
  }

  /**
  * This method returns a string containing the HTML to make up the heading of a document.
  * It will include everything  from the original <code> html </code> tag to the
  * <code> head </code> BUT not the <code> body</code> .
  */
  private String htmlDocHeader(){
    String retVal = "<HTML>\n<HEAD><TITLE>"+"Sample Servlet Output"+"</TITLE></HEAD>";

    return retVal;
  }

}