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Getting the first new Email out of a folder....

Hi all,
I want to search for the first new (UNSEEN) email in a folder through JavaMail. Am i correct in saying that there is no such method in the API, which is unusual?

So if there's not, whats the best way of getting it? Is it something like this?

Message m = null;
Flags flag[];
int nextNewMessage;

Message[] msgs = folder.getMessages();

for (int i = msgs.length; i == 0; i--) {
   flag[i] = msgs[i].getFlags();
   if (flag[i] == "SEEN") {              << I know its wrong, any help?!
           nextNewMessage = i;
   } // end if  
           
}


Also, i can do this to CREATE a new folder, right?
   folder.getFolder("Trash Can");
   folder.create(Folder.HOLDS_MESSAGES);


Thanks in Advance
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BaconAndCabbage
Asked:
BaconAndCabbage
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1 Solution
 
CEHJCommented:
>>Am i correct in saying that there is no such method in the API, which is unusual?

Yes, if you're using POP (normal). There is no concept of seen/unseen in the protocol. The messages are either on the server or they've been deleted from it
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CEHJCommented:
...so if you want to only look at new ones, you have to ensure you delete the messages from the server after getting them.
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BaconAndCabbageAuthor Commented:
No, i'm actually using IMAP
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maheshexpCommented:
one such answer is posted in this forum...

http://www.jguru.com/faq/view.jsp?EID=26898
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maheshexpCommented:
UNSEEN, u mean a new Message....if iam correct,  need the new message, then sort all the messages by date and time, and pick out the recent one....
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CEHJCommented:
I'm not familiar with IMAP, but i don't think even that has a concept of 'read/unread'. You could probably treat is as above, or move it into a different folder
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BaconAndCabbageAuthor Commented:
Thanks for the replies, but i don't think the links help.
          "then sort all the messages by date and time, and pick out the recent one"
That won't work because an unread email need not neccessarily be the most recent one, ie a unread email may be days old.

Ya see, i can check the NUMBER of new Messages in a folder, thats not a problem - what i want to get is the position (ie, msgCount) of any new emails!

Thanks again, any solution would be greatly appreciated
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Tommy BraasCommented:
The IMAP protocol is defined in http://www.faqs.org/rfcs/rfc3501.html

Change your code to read:
for (int j=0; j<flag[i].length; j++ ) {
   flags = msgs[i].getFlags();
   if ("\\Seen".equals(flag[j])) {
           nextNewMessage = i;
   } // end if  


More to the point is the fact that you can specify that you only want to receive unseen emails etc. Read the above document for more information.
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CEHJCommented:
The thing to do, if no changes are being done on the server, is to save the ids of the messages you HAVE read, and do a set intersection using those, leaving you with unread ones
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CEHJCommented:
Interesting - so you can flag the message as \Seen. I'm always trying to find an elusive site where they've formatted these rfcs as html, but failing ;-)
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Tommy BraasCommented:
>>  I'm always trying to find an elusive site where they've formatted these rfcs as html, but failing ;-)
Yes, I haven't found one either...
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BaconAndCabbageAuthor Commented:
As always lads, thanks a lot
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