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(Java) Imap.GetMailSize vs Email.Size

Shows how to get the total size of an email, as well as the sizes of the attachments. This can be done when either full-emails or headers-only are downloaded.

Chilkat Java Downloads

Java Libs for Windows, Linux, Alpine Linux,
MAC OS X, Solaris, FreeBSD, OpenBSD,
Raspberry Pi and other single board computers

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("****","****");
    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;
        }

    CkMessageSet messageSet;
    // We can choose to fetch UIDs or sequence numbers.
    boolean fetchUids = true;
    // Get the message IDs of all the emails in the mailbox
    messageSet = imap.Search("ALL",fetchUids);
    if (imap.get_LastMethodSuccess() == false) {
        System.out.println(imap.lastErrorText());
        return;
        }

    // When downloading headers, each email object contains
    // (obviously) the headers, but the body will be missing.
    // Also, attachments will not be included.  However, it is
    // possible to get information about the attachments
    // as well as the complete size of the email.
    CkEmailBundle bundle;
    bundle = imap.FetchHeaders(messageSet);
    if (imap.get_LastMethodSuccess() == false) {

        System.out.println(imap.lastErrorText());
        return;
        }

    // Loop over the email objects and display information
    // about each:
    int i = 0;
    int numEmails = bundle.get_MessageCount();
    while (i < numEmails) {
        CkEmail email;
        email = bundle.GetEmail(i);

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

        // 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);
        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("--");

        i = i+1;
        }

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

 

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