Java

Delete Email Individually (One at a time) from an IMAP Mailbox

Downloads email from an IMAP mailbox and deletes emails individually (one by one). 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("myLogin","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;
        }

    // We can choose to fetch UIDs or sequence numbers.
    boolean fetchUids = true;

    // Get the message IDs of all the emails in the mailbox
    CkMessageSet messageSet = new CkMessageSet();
    success = imap.QueryMbx("ALL",fetchUids,messageSet);
    if (success == false) {
        System.out.println(imap.lastErrorText());
        return;
        }

    // Fetch the 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;
        }

    // To mark a complete set of emails for deletion, call SetFlags:
    success = imap.SetFlags(messageSet,"Deleted",1);
    if (success == false) {
        System.out.println(imap.lastErrorText());
        return;
        }

    // Messages can also be marked for deletion individually:
    // Loop over the bundle and mark each message for deletion.
    CkEmail email = new CkEmail();
    int i = 0;
    int numEmails = bundle.get_MessageCount();
    while (i < numEmails) {
        bundle.EmailAt(i,email);

        System.out.println(email.ck_from());
        System.out.println(email.subject());

        // To delete this email, set the "Deleted" flag to 1.
        // The email is not actually deleted until Expunge or
        // ExpungeAndClose is called.
        success = imap.SetMailFlag(email,"Deleted",1);
        if (success == false) {
            System.out.println(imap.lastErrorText());
            return;
            }

        System.out.println("--");

        i = i+1;
        }

    success = imap.ExpungeAndClose();
    if (success == false) {
        System.out.println(imap.lastErrorText());
        return;
        }

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