Java

Download Unread Email from IMAP Mailbox

Download unread email messages from an IMAP mailbox. Java

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    boolean success = false;

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkImap imap = new CkImap();

    // Connect to an IMAP server.
    // Use TLS
    imap.put_Ssl(true);
    imap.put_Port(993);
    success = imap.Connect("imap.example.com");
    if (success == false) {
        System.out.println(imap.lastErrorText());
        return;
        }

    // Login
    success = imap.Login("admin@chilkatsoft.com","myPassword");
    if (success == false) {
        System.out.println(imap.lastErrorText());
        return;
        }

    // Select an IMAP mailbox
    success = imap.SelectMailbox("Inbox");
    if (success == false) {
        System.out.println(imap.lastErrorText());
        return;
        }

    // Find emails marked as seen or not already seen:
    String seenSearch = "SEEN";
    String notSeenSearch = "NOT SEEN";

    // Get the set of unseen message UIDs
    boolean fetchUids = true;
    CkMessageSet messageSet = new CkMessageSet();
    success = imap.QueryMbx(notSeenSearch,fetchUids,messageSet);
    if (success == false) {
        System.out.println(imap.lastErrorText());
        return;
        }

    // Fetch the unseen emails into a bundle object:
    CkEmailBundle bundle = new CkEmailBundle();
    boolean headersOnly = false;
    success = imap.FetchMsgSet(headersOnly,messageSet,bundle);
    if (success == false) {
        System.out.println(imap.lastErrorText());
        return;
        }

    // Display the Subject and From of each email.
    CkEmail email = new CkEmail();
    int i = 0;
    int numEmails = bundle.get_MessageCount();
    while (i < numEmails) {
        bundle.EmailAt(i,email);

        System.out.println(email.getHeaderField("Date"));
        System.out.println(email.subject());
        System.out.println(email.ck_from());
        System.out.println("--");
        i = i+1;
        }

    // Disconnect from the IMAP server.
    success = imap.Disconnect();
  }
}