(Java) Download MIME Source of Emails in IMAP Mailbox

Demonstrates how to download the MIME source for emails on an IMAP server. There are several Chilkat IMAP methods for downloading email into a MIME string: FetchSingleAsMime, FetchSequenceAsMime, and FetchBundleAsMime. This example demonstrates FetchSequenceAsMime.

Chilkat Java Downloads Java Libs for Windows, MacOS, Linux, Alpine Linux, Solaris Java Libs for Android

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[])
  {
    // 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);
    boolean success = imap.Connect("imap.someMailServer.com");
    if (success != true) {
        System.out.println(imap.lastErrorText());
        return;
        }

    // Login
    success = imap.Login("myLogin","myPassword");
    if (success != true) {
        System.out.println(imap.lastErrorText());
        return;
        }

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

    // The NumMessages property contains the number of messages in the selected mailbox.
    int numToFetch = imap.get_NumMessages();
    // Download all the email in the Inbox.
    CkStringArray sa;
    sa = imap.FetchSequenceAsMime(1,numToFetch);
    if (imap.get_LastMethodSuccess() == false) {
        System.out.println(imap.lastErrorText());
        return;
        }

    // Loop over the MIME strings contained within sa:
    int i = 0;
    while (i < sa.get_Count()) {
        String strMime;
        strMime = sa.getString(i);

        // Now you have the MIME source of this email...  

        i = i+1;
        }

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