(Java) Read All Email from POP3 Inbox by Message Numbers

Demonstrates how to read all of the email from a POP3 inbox by fetching each email by it's message number.

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

    CkMailMan mailman = new CkMailMan();

    // Set the POP3 server's hostname
    mailman.put_MailHost("pop.someMailServer.com");

    // Set the POP3 login/password.
    mailman.put_PopUsername("myLogin");
    mailman.put_PopPassword("myPassword");

    // Get the number of messages in the mailbox.
    int numMessages = mailman.GetMailboxCount();

    // Message numbers are specific to a POP3 session. 
    // If a maildrop (i.e. inbox)  contains 10 messages, 
    // the message numbers will be 1, 2, 3, ... 10. 
    // If message number 1 is deleted and a new POP3 session 
    // is established, there will be 9 messages numbered 1, 2, 3, ... 9. 

    int i = 1;

    CkEmail email;
    while (i <= numMessages) {

        email = mailman.FetchByMsgnum(i);
        if (mailman.get_LastMethodSuccess() != true) {
            System.out.println(mailman.lastErrorText());
            return;
            }

        System.out.println(email.ck_from() + ": " + email.subject() + "\n");

        i = i+1;

        }
  }
}