How to fetch messages using IMAPFolder ?

Question

Dear Friends,
Anybody knows how to show messages with IMAPFolder ?
Thank u.
Chirag Patel

Answer 1

I have never seen the class IMAPFolder. Here is a class I wrote that returns a table row that has message information from a folder.
Use the messagelist method and pass in the folder you want along with the connection url to your server.
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import java.util.*;
import java.util.Properties;
import java.net.*;
import java.io.*;
import java.lang.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;
public class EmailListMessages {
     static String outputString = "";
     public String timeoutVal = "5000";
     public String messagelist(String mbox, String url, int timeout) throws Exception {
          timeoutVal = timeout + "";
          return messagelist(mbox,url);
     public String messagelist(String mbox, String url) throws Exception{
          int optind;
     int port = -1;
     boolean verbose = false;
     boolean debug = false;
     boolean showStructure = false;
          Store store = null;
          outputString = "";
          try {
          // Get a Properties object
          Properties props = System.getProperties();
               props.put("mail.imap.connectiontimeout",timeoutVal);
               props.put("mail.imap.timeout",timeoutVal);
          // Get a Session object
          Session session = Session.getDefaultInstance(props, null);
          session.setDebug(debug);
          // Get a Store object
               URLName urln = new URLName(url);
               store = session.getStore(urln);
               store.connect();
     } catch (Exception e) {outputString = "Error:Host Connection";}
          // Open the Folder
          Folder folder = store.getDefaultFolder();
          if (folder == null) {
     outputString = "No default folder error";
               return outputString;
     folder = folder.getFolder(mbox);
     if (folder == null) {
     outputString = "Invalid folder error";
               return outputString;
     // try to open read/write and if that fails try read-only
     try {
               folder.open(Folder.READ_WRITE);
     } catch (MessagingException ex) {folder.open(Folder.READ_ONLY);}
     int totalMessages = folder.getMessageCount();
     if (totalMessages == 0) {
               outputString = "(No Messages)";
               folder.close(true);
               store.close();
               return outputString;
          // Attributes & Flags for all messages ..
          Message[] msgs = folder.getMessages();
          // Use a suitable FetchProfile
          FetchProfile fp = new FetchProfile();
          fp.add(FetchProfile.Item.ENVELOPE);
          fp.add(FetchProfile.Item.FLAGS);
          fp.add("X-Mailer");
          folder.fetch(msgs, fp);
          for (int i = 0; i < msgs.length; i++) {
          dumpEnvelope(msgs,mbox);
          folder.close(false);
          store.close();
          return outputString;
     public static void dumpEnvelope(Message m, String mbox) throws Exception {
          String fromString = "";
          String subjectString = "";
          String dtString = "";
          String flagString = "";
          Address[] a;
          int msgNumber = m.getMessageNumber();
          if (mbox.equals("Sent"))
               // TO
               if ((a = m.getRecipients(Message.RecipientType.TO)) != null) {
               for (int j = 0; j < a.length; j++)
                    fromString = a[j].toString();
               fromString = ("<td><a href='EmailViewMessage.jsp?messageNumber=" + msgNumber + "&folderName=" + mbox + "'>" + fromString + "</a></td>");     
          else
               // FROM
               if ((a = m.getFrom()) != null) {
               for (int j = 0; j < a.length; j++)
                    fromString = a[j].toString();
               fromString = ("<td><a href='EmailViewMessage.jsp?messageNumber=" + msgNumber + "&folderName=" + mbox + "'>" + fromString + "</a></td>");     
          // SUBJECT
          subjectString = m.getSubject();
          subjectString = ("<td>" + subjectString + "</td>");
          // DATE
          Date d = m.getSentDate();
          dtString = "UNKNOWN";
          if (d != null) dtString = d.toString();
          dtString = ("<td>" + dtString + "</td>");
          // FLAGS
          Flags flags = m.getFlags();
          StringBuffer sb = new StringBuffer();
          Flags.Flag[] sf = flags.getSystemFlags(); // get the system flags
          boolean first = true;
          for (int i = 0; i < sf.length; i++) {
          String s;
          Flags.Flag f = sf[i];
          if (f == Flags.Flag.ANSWERED)
               s = "\\Answered";
          else if (f == Flags.Flag.DELETED)
               s = "\\Deleted";
          else if (f == Flags.Flag.DRAFT)
               s = "\\Draft";
          else if (f == Flags.Flag.FLAGGED)
               s = "\\Flagged";
          else if (f == Flags.Flag.RECENT)
               s = "\\Recent";
          else if (f == Flags.Flag.SEEN)
               s = "\\Seen";
          else
               continue;     // skip it
          if (first)
               first = false;
          else
               sb.append(' ');
          sb.append(s);
          String[] uf = flags.getUserFlags(); // get the user flag strings
          for (int i = 0; i < uf.length; i++) {
          if (first)
               first = false;
          else
               sb.append(' ');
          sb.append(uf[i]);
          flagString = sb.toString();
          String testString = "\\Seen";
          if (!flagString.equals(testString))
               flagString = ("<td>New</td>");
          else
               flagString = ("<td> </td>");
          outputString = (outputString + "<tr bgcolor='#a9a9a9'>" + fromString + subjectString + dtString + flagString + "</tr>");