Java

Send a Raw POP3 Command

Demonstrates the Chilkat MailMan.Pop3SendRawCommand method, which sends a raw command to the POP3 server and returns the server's response. The second argument specifies the charset to use if the command contains non-US-ASCII characters. This example sends the POP3 STAT command within an open session.

Background: POP3 is a simple line-based text protocol — the client sends short commands like STAT, LIST, UIDL, or RETR and the server replies with +OK or -ERR. This method is an escape hatch for issuing a command Chilkat doesn't wrap directly, or a server-specific extension. Note that the session must already be open, since a raw command assumes an authenticated connection.

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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;

    //  Demonstrates the MailMan.Pop3SendRawCommand method, which sends a raw command to the POP3
    //  server and returns the server's response.  The second argument is the charset used if the
    //  command contains non-US-ASCII characters.

    CkMailMan mailman = new CkMailMan();

    //  Configure the POP3 server connection.
    mailman.put_MailHost("pop.example.com");
    mailman.put_MailPort(995);
    mailman.put_PopSsl(true);
    mailman.put_PopUsername("user@example.com");
    mailman.put_PopPassword("myPassword");

    success = mailman.Pop3BeginSession();
    if (success == false) {
        System.out.println(mailman.lastErrorText());
        return;
        }

    //  Send the raw POP3 STAT command, which returns the message count and maildrop size.
    String response = mailman.pop3SendRawCommand("STAT","us-ascii");
    if (mailman.get_LastMethodSuccess() == false) {
        System.out.println(mailman.lastErrorText());
        return;
        }

    System.out.println("STAT response: " + response);

    success = mailman.Pop3EndSession();
    if (success == false) {
        System.out.println(mailman.lastErrorText());
        return;
        }
  }
}