Java

Fetch Single Email by UID or Sequence Number

Assuming the UID is known, download a single email by UID from an IMAP mail server. 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 requires 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("***","***");
    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;
        }

    CkEmail email = new CkEmail();

    int uid = 2014;
    boolean isUid = true;

    success = imap.FetchEmail(false,uid,isUid,email);
    if (success == false) {
        System.out.println(imap.lastErrorText());
        return;
        }

    // Display the From and Subject
    System.out.println(email.fromAddress());
    System.out.println(email.subject());

    // Display the Body property, which is the default body.
    // If an email has an HTML body, the Body property contains
    // the HTML source.  Otherwise it contains the plain-text
    // body.
    System.out.println("---- EMAIL BODY ----");
    System.out.println(email.body());
    System.out.println("--------------------");

    // Display the recipients:
    int j;
    for (j = 0; j <= email.get_NumTo() - 1; j++) {
        System.out.println(email.getToName(j) + ", " + email.getToAddr(j));
        }

    for (j = 0; j <= email.get_NumCC() - 1; j++) {
        System.out.println(email.getCcName(j) + ", " + email.getCcAddr(j));
        }

    // Show the total size of the email, including body and attachments:
    System.out.println(email.get_Size());

    // When a full email is downloaded, we would use the
    // email.NumAttachments property in conjunction with the
    // email.GetMailAttach* methods.
    // However, when an email object contains only the header,
    // we need to access the attachment info differently:
    int numAttach = imap.GetMailNumAttach(email);
    System.out.println(numAttach);

    for (j = 0; j <= numAttach - 1; j++) {
        System.out.println(imap.getMailAttachFilename(email,j));
        int attachSize = imap.GetMailAttachSize(email,j);
        System.out.println("    size = " + attachSize + " bytes");
        }

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

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