Messages and Parts - JavaMail API - page 59

Folder folder = session . getFolder ( server );
if ( folder == null ) {
System . out . println ( "Folder " + server . getFile () + " not found." );
System . exit ( 1 );
}
folder . open ( Folder . READ_ONLY );
// Get the messages from the server
Message [] messages = folder . getMessages ();
for ( int i = 0 ; i < messages . length ; i ++) {
System . out . println ( "------------ Message " + ( i + 1 )
+ " ------------" );
// Print message headers
@SuppressWarnings ( "unchecked" )
Enumeration < Header > headers = messages [ i ]. getAllHeaders ();
while ( headers . hasMoreElements ()) {
Header h = headers . nextElement ();
System . out . println ( h . getName () + ": " + h . getValue ());
}
System . out . println ();
// Enumerate parts
Object body = messages [ i ]. getContent ();
if ( body instanceof Multipart ) {
processMultipart (( Multipart ) body );
} else { // ordinary message
processPart ( messages [ i ]);
}
System . out . println ();
}
// Close the connection
// but don't remove the messages from the server
folder . close ( false );
} catch ( MessagingException | IOException ex ) {
ex . printStackTrace ();
}
// Since we may have brought up a GUI to authenticate,
// we can't rely on returning from main() to exit
System . exit ( 0 );
}
public static void processMultipart ( Multipart mp )
throws MessagingException {
for ( int i = 0 ; i < mp . getCount (); i ++) {
processPart ( mp . getBodyPart ( i ));
}
}
public static void processPart ( Part p ) {