(Java) Access Attached Message (Embedded Email)

How to access an email embedded within another email (i.e. an attached message).

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[])
  {
    CkEmail email = new CkEmail();

    // Load an email from a .eml
    boolean success = email.LoadEml("embeddedEmail.eml");
    if (success != true) {
        System.out.println(email.lastErrorText());
        return;
        }

    // Display how many attached emails are embedded within
    // this one:
    int numAttached = email.get_NumAttachedMessages();
    System.out.println("numAttached = " + numAttached);

    // Get the 1st attached message.
    CkEmail email2;
    email2 = email.GetAttachedMessage(0);
    if (email.get_LastMethodSuccess() == true) {

        // Display the subject, From, and a header field...
        System.out.println(email2.subject());
        System.out.println(email2.ck_from());
        System.out.println(email2.getHeaderField("X-SOMETHING"));
        }
  }
}