(Java) List Yahoo Mail IMAP Mailboxes

See more Yahoo Mail Examples

List Yahoo Mail mailboxes.

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[])
  {
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // See Get Yahoo Mail OAuth2 Access Token for Desktop App 
    // for sample code showing how to obtain a Yahoo Mail access token.

    // In this example, our access token was previously saved to the following file which contains JSON like this:
    // {
    //   "access_token": "kCVQdnOdul...LHucA--",
    //   "refresh_token": "AIenVXETSo0jklFBVkPS8vVm8E.Ej9ToRG.xDbDYmZ65WIs5t6CZhDrD",
    //   "expires_in": 3600,
    //   "token_type": "bearer",
    //   "xoauth_yahoo_guid": "HGDQCVF5JB4YDOWHITQJFBHCWA"
    // }

    CkJsonObject json = new CkJsonObject();
    boolean success = json.LoadFile("qa_data/tokens/yahooMail.json");
    if (success != true) {
        System.out.println("Failed to load GMail access token file.");
        return;
        }

    String accessToken = json.stringOf("access_token");

    // Do OAuth2 authentication by using the access token as the password in the Login method below...
    CkImap imap = new CkImap();

    imap.put_Ssl(true);
    imap.put_Port(993);

    // Connect to the Yahoo IMAP server.
    success = imap.Connect("imap.mail.yahoo.com");
    if (success != true) {
        System.out.println(imap.lastErrorText());
        return;
        }

    // Indicate that XOAUTH2 authentication is to be used:
    imap.put_AuthMethod("XOAUTH2");

    // Login
    // Use the email address of the GMail account that granted authorization.
    success = imap.Login("user@yahoo.com",accessToken);
    if (success != true) {
        System.out.println(imap.lastErrorText());
        }
    else {
        System.out.println("Successfully authenticated with Yahoo IMAP using XOAUTH2!");
        }

    // The ListMailboxes method returns a Mailboxes object
    // that contains the collection of mailboxes.
    // It accepts two arguments: a refName and a wildcardedMailbox.

    String refName = "";
    // refName is usually set to an empty string.
    // A non-empty reference name argument is the name of a mailbox or a level of
    // mailbox hierarchy, and indicates the context in which the mailbox
    // name is interpreted.

    // Select all mailboxes matching this pattern:
    String wildcardedMailbox = "*";

    CkMailboxes mboxes = imap.ListMailboxes(refName,wildcardedMailbox);
    if (imap.get_LastMethodSuccess() == false) {
        System.out.println(imap.lastErrorText());
        return;
        }

    int i = 0;
    while (i < mboxes.get_Count()) {
        System.out.println(mboxes.getName(i));
        i = i+1;
        }

    // Sample output looks like this:

    // Archive
    // Bulk Mail
    // Draft
    // Inbox
    // Inbox/emailsWithAttach
    // Inbox/test
    // Sent
    // Trash

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