Java
Java
Examine Junk/NonJunk Flags on Outlook.com and GMail
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Examines the Junk and NonJunk FLAGS for IMAP on Outlook.com and GMail.com.Chilkat Java Downloads
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;
CkImap imap = new CkImap();
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
// Connect to the outlook.com IMAP server.
// We'll do the same for GMail below..
// Use TLS
imap.put_Ssl(true);
imap.put_Port(993);
success = imap.Connect("imap-mail.outlook.com");
if (success != true) {
System.out.println(imap.lastErrorText());
return;
}
// Login
success = imap.Login("myAccount@outlook.com","OUTLOOK_PASSWORD");
if (success != true) {
System.out.println(imap.lastErrorText());
return;
}
// Begin keeping a log of the session here.
imap.put_KeepSessionLog(true);
// Select an IMAP mailbox
success = imap.SelectMailbox("Inbox");
if (success != true) {
System.out.println(imap.lastErrorText());
return;
}
// The LastResponse property contains the full response of the last command.
// The response to the SELECT mailbox command shows the FLAGS that can be set
// for emails in the mailbox.
String selectResponse = imap.lastResponse();
System.out.println(selectResponse);
// The response to "SELECT Inbox" looks like this:
// There are no FLAGS for Junk/NonJunk..
// * 4 EXISTS
// * 0 RECENT
// * FLAGS (\Seen \Answered \Flagged \Deleted \Draft $MDNSent)
// * OK [PERMANENTFLAGS (\Seen \Answered \Flagged \Deleted \Draft $MDNSent)] Permanent flags
// * OK [UIDVALIDITY 14] UIDVALIDITY value
// * OK [UIDNEXT 1719] The next unique identifier value
// aaac OK [READ-WRITE] SELECT completed.
// Fetch the flags for each message in the mailbox.
// Prior to running this example, (using Mozilla Thunderbird) I marked one of the emails
// in my outlook.com Inbox as Junk.
int sequenceNum = 1;
while (sequenceNum <= imap.get_NumMessages()) {
String flags = imap.fetchFlags(sequenceNum,false);
System.out.println(sequenceNum + ": " + flags);
sequenceNum = sequenceNum+1;
}
// The output of the above loop is this:
// 1: \Seen
// 2: \Seen
// 3: \Seen
// 4: \Seen
// As you can see, nothing is marked as Junk/Spam. This concurs with the list of FLAGS
// documented in the response to the SELECT command. Apparently, there is no flag for junk/nonjunk
// for outlook.com. Mozilla Thunderbird must be storing additional information about particular
// emails locally. (In other words, perhaps the Junk/NonJunk flag is information stored locally
// by Thunderbird, and is not a flag set on the server.)
System.out.println("---- Session Log ----");
System.out.println(imap.sessionLog());
// The session log looks like this:
// ----IMAP REQUEST----
// aaac SELECT "Inbox"
// ----IMAP RESPONSE----
// * 4 EXISTS
// * 0 RECENT
// * FLAGS (\Seen \Answered \Flagged \Deleted \Draft $MDNSent)
// * OK [PERMANENTFLAGS (\Seen \Answered \Flagged \Deleted \Draft $MDNSent)] Permanent flags
// * OK [UIDVALIDITY 14] UIDVALIDITY value
// * OK [UIDNEXT 1719] The next unique identifier value
// aaac OK [READ-WRITE] SELECT completed.
// ----IMAP REQUEST----
// aaad FETCH 1 (FLAGS)
// ----IMAP RESPONSE----
// * 1 FETCH (FLAGS (\Seen))
// aaad OK FETCH completed.
// ----IMAP REQUEST----
// aaae FETCH 2 (FLAGS)
// ----IMAP RESPONSE----
// * 2 FETCH (FLAGS (\Seen))
// aaae OK FETCH completed.
// ----IMAP REQUEST----
// aaaf FETCH 3 (FLAGS)
// ----IMAP RESPONSE----
// * 3 FETCH (FLAGS (\Seen))
// aaaf OK FETCH completed.
// ----IMAP REQUEST----
// aaag FETCH 4 (FLAGS)
// ----IMAP RESPONSE----
// * 4 FETCH (FLAGS (\Seen))
// aaag OK FETCH completed.
imap.Disconnect();
// --------------------------------------------------------------------------------
// Now let's check GMail..
// Again, I've marked one email as Junk.
imap.put_KeepSessionLog(false);
imap.put_Ssl(true);
imap.put_Port(993);
success = imap.Connect("imap.gmail.com");
if (success != true) {
System.out.println(imap.lastErrorText());
return;
}
// Login
success = imap.Login("myAccount@gmail.com","GMAIL-IMAP-PASSWORD");
if (success != true) {
System.out.println(imap.lastErrorText());
return;
}
imap.put_KeepSessionLog(true);
success = imap.SelectMailbox("Inbox");
if (success != true) {
System.out.println(imap.lastErrorText());
return;
}
selectResponse = imap.lastResponse();
System.out.println(selectResponse);
// The response to GMail "SELECT Inbox" looks like this:
// * FLAGS (\Answered \Flagged \Draft \Deleted \Seen $Forwarded $NotPhishing $Phishing $label1 $label2 $label3 $label4 $label5 Junk NonJunk)
// * OK [PERMANENTFLAGS (\Answered \Flagged \Draft \Deleted \Seen $Forwarded $NotPhishing $Phishing $label1 $label2 $label3 $label4 $label5 Junk NonJunk \*)] Flags permitted.
// * OK [UIDVALIDITY 3] UIDs valid.
// * 46 EXISTS
// * 0 RECENT
// * OK [UIDNEXT 4147] Predicted next UID.
// * OK [HIGHESTMODSEQ 403404]
// aaai OK [READ-WRITE] Inbox selected. (Success)
sequenceNum = imap.get_NumMessages();
int minSeqNum = 1;
if (sequenceNum > 10) {
minSeqNum = sequenceNum - 10;
}
while (sequenceNum >= minSeqNum) {
String flags = imap.fetchFlags(sequenceNum,false);
System.out.println(sequenceNum + ": " + flags);
sequenceNum = sequenceNum - 1;
}
// The output (for GMail) of the above loop is this:
// 46: Junk \Seen
// 45: NonJunk \Answered \Seen
// 44: NonJunk \Seen
// 43: \Answered \Seen
// 42: \Answered \Seen
// 41: NonJunk \Seen
// 40: NonJunk \Answered \Seen
// 39: NonJunk \Seen
// 38: NonJunk \Seen
// 37: NonJunk \Seen
// 36: NonJunk \Seen
// As you can see, the email I marked as "Junk" using Mozilla Thunderbird has the Junk flag set.
// This concurs with GMail's list of FLAGS. Apparently, since the IMAP server has a "Junk" flag,
// Thunderbird set it when I marked the email as Junk.
imap.Disconnect();
}
}