Hi, I've been using javamail to retrieve mails from IMAP server (currently GMail). Javamail retrieves list of messages (only ids) in a particular folder from server very fast, but when I actually fetch message (only envelop not even contents) it takes around 1 to 2 seconds for each message. What are the techniques should be used for fast retrieval?
here is my code:
try {
IMAPStore store = null;
if(store!=null&&store.isConnected())return;
Properties props = System.getProperties();
Session sessionIMAP = Session.getInstance(props, null);
try {
store = (IMAPStore) sessionIMAP.getStore("imaps");
store.connect("imap.gmail.com",993,"[email protected]","password");
} catch (Exception e) {
e.printStackTrace();
}
IMAPFolder folder = (IMAPFolder) store.getFolder("INBOX");
folder.open(Folder.READ_ONLY);
System.out.println("start");
Message[] msgs = folder.getMessages(1,10);
long ftime = System.currentTimeMillis();
FetchProfile fp=new FetchProfile();
fp.add(FetchProfile.Item.ENVELOPE);
folder.fetch(msgs, fp);
long time = System.currentTimeMillis();
System.out.println("fetch: "+(time-ftime));
for (Message message : msgs) {
System.out.println(message.getSubject());
Address[] from = message.getFrom();
for (Address address : from) {
System.out.println(address);
}
Address[] recipients = message.getAllRecipients();
for (Address address : recipients) {
System.out.println(address);
}
}
long newTime = System.currentTimeMillis();
System.out.println("convert: "+(newTime-time));
}catch (Exception e) {
e.printStackTrace();
}
}