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(Java) Determine the Number of Unseen Email MessagesDemonstrates how to determine how many unseen messages exist in an email account on an IMAP server.
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 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); 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; } // After selecting the mailbox. the total number of emails // is immediately available: int totalNum = imap.get_NumMessages(); System.out.println("Num messages = " + totalNum); // To determine the number of unseen messages, a call // to Search is required, which returns the set of UIDs // of all unseen messages. // We can choose to fetch UIDs or sequence numbers. boolean fetchUids = true; CkMessageSet messageSet = imap.Search("UNSEEN",fetchUids); if (imap.get_LastMethodSuccess() == false) { System.out.println(imap.lastErrorText()); return; } int numUnseen = messageSet.get_Count(); System.out.println(numUnseen); System.out.println("UIDs ----"); // Display the UIDs int i = 0; int msgId; while (i < messageSet.get_Count()) { msgId = messageSet.GetId(i); System.out.println(msgId); i = i+1; } // Disconnect from the IMAP server. success = imap.Disconnect(); } } |
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