javamail - Java Mail API Emails are not displaying in reverse order -
public class testemail { properties properties = null; private session session = null; private store store = null; private folder inbox = null; private string username = "xx@gmail.com"; // private string password = "xx"; public testemail() { } public void readmails() throws exception { properties = new properties(); properties.setproperty("mail.host", "imap.gmail.com"); properties.setproperty("mail.port", "995"); properties.setproperty("mail.transport.protocol", "imaps"); session = session.getinstance(properties, new javax.mail.authenticator() { protected passwordauthentication getpasswordauthentication() { return new passwordauthentication(username, password); } }); try { store = session.getstore("imaps"); store.connect(); inbox = store.getfolder("inbox"); inbox.open(folder.read_only); //message messages[] = inbox.search(new flagterm(new flags(flag.seen), false)); message messages[]=inbox.getmessages(); // system.out.println("number of mails = " + messages.length); arrayutils.reverse(messages); ( message message : messages ) { system.out.println("subject: "+ message.getsubject()); //if(message.getsubject().tostring()=="suppliers match search: suto in future mode") //{ address[] = message.getfrom(); system.out.println("-------------------------------"); system.out.println("date : " + message.getsentdate()); //system.out.println("from : " + from[0]); //system.out.println("subject: " + message.getsubject()); //system.out.println("content :"); object content = message.getcontent(); multipart multipart = (multipart) content; //procesmultipart(multipart); system.out.println("--------------------------------"); //} //else //{ //system.out.println("not found"); //} } inbox.close(true); store.close(); } catch (nosuchproviderexception e) { e.printstacktrace(); } catch (messagingexception e) { e.printstacktrace(); } } public void procesmultipart(multipart content) throws exception { int multipartcount = content.getcount(); (int = 0; < multipartcount; i++) { bodypart bodypart = content.getbodypart(i); object o; o = bodypart.getcontent(); if (o instanceof string) { system.out.println(o); } else if (o instanceof multipart) { procesmultipart((multipart) o); } } } public static void main(string[] args) throws exception { testemail sample = new testemail(); sample.readmails(); }} output :
subject: stay more organised gmail's inbox
date : fri aug 14 19:46:39 ist 2015
subject: sign-in attempt prevented
date : fri aug 14 21:53:49 ist 2015
subject: suppliers match search: jan 28 vani
date : sat aug 15 11:55:33 ist 2015
subject: suppliers match search: search1
date : sat aug 15 11:55:35 ist 2015
subject: suppliers match search: 123
date : sat aug 15 11:55:29 ist 2015
subject: suppliers match search:
date : sat aug 15 11:55:32 ist 2015
subject: suppliers match search: ttt
date : sat aug 15 11:55:30 ist 2015
subject: suppliers match search: suto in future mode
date : sat aug 15 11:55:33 ist 2015
subject: suppliers match search: test 13 mar 2012 automotive
date : sat aug 15 11:55:30 ist 2015
it seems folder#getmessages() not guarantee specific order of messages. have sort them yourself:
arrayutils.sort(messages, new comparator<message>() { @override public int compareto(message m1, message m2) { return m2.getreceiveddate().compareto(m1.getreceiveddate()); } });
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