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Java

Examine Yahoo Mail IMAP Session Log

See more Yahoo Mail Examples

To examine the IMAP session log, set the KeepSessionLog property = _TRUE_, and then examine the contents of the SessionLog property.

Chilkat Java Downloads

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 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();
    success = json.LoadFile("qa_data/tokens/yahooMail.json");
    if (success != true) {
        System.out.println("Failed to load Yahoo Mail 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);

    //  Tell Chilkat IMAP to keep a session log.
    imap.put_KeepSessionLog(true);

    //  Connect to the Yahoo IMAP server.
    success = imap.Connect("imap.mail.yahoo.com");
    if (success == false) {
        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 Yahoo Mail 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!");
        }

    //  Get the list of mailboxes.
    String refName = "";
    String wildcardedMailbox = "*";
    boolean subscribed = false;

    CkMailboxes mboxes = new CkMailboxes();
    success = imap.MbxList(subscribed,refName,wildcardedMailbox,mboxes);
    if (success == 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

    //  Examine the session log
    System.out.println(imap.sessionLog());

    //  Sample session log

    //  ----INFO----
    //  Connecting to IMAP server at imap.mail.yahoo.com:993
    //  ----IMAP RESPONSE----
    //  * OK [CAPABILITY IMAP4rev1 SASL-IR AUTH=PLAIN AUTH=XOAUTH2 AUTH=OAUTHBEARER ID MOVE NAMESPACE XYMHIGHESTMODSEQ UIDPLUS LITERAL+ CHILDREN X-MSG-EXT OBJECTID] IMAP4rev1 Hello
    //  ----IMAP REQUEST----
    //  aaab AUTHENTICATE XOAUTH2 
    //  ----IMAP RESPONSE----
    //  aaab OK AUTHENTICATE completed
    //  ----IMAP REQUEST----
    //  aaac LIST "" "*"
    //  ----IMAP RESPONSE----
    //  * LIST (\Archive \HasNoChildren) "/" "Archive"
    //  * LIST (\Junk \HasNoChildren) "/" "Bulk Mail"
    //  * LIST (\Drafts \HasNoChildren) "/" "Draft"
    //  * LIST (\HasChildren) "/" "Inbox"
    //  * LIST (\HasNoChildren) "/" "Inbox/emailsWithAttach"
    //  * LIST (\HasNoChildren) "/" "Inbox/test"
    //  * LIST (\Sent \HasNoChildren) "/" "Sent"
    //  * LIST (\Trash \HasNoChildren) "/" "Trash"
    //  aaac OK LIST completed

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