void handleCommand() throws IOException {
_currentLine = _conn.readLine();
if (_currentLine == null) {
quit();
return;
}
String commandName = new StringTokenizer(_currentLine, " ").nextToken().toUpperCase();
Pop3Command command = _registry.getCommand(commandName);
if (command == null) {
_conn.println("-ERR Command not recognized");
return;
}
if (!command.isValidForState(_state)) {
_conn.println("-ERR Command not valid for this state");
return;
}
command.execute(_conn, _state, _currentLine);
}
public void run() {
try {
_conn = new Pop3Connection(this, _socket);
_state = new Pop3State(_manager);
_quitting = false;
sendGreetings();
while (!_quitting) {
handleCommand();
}
_conn.close();
} catch (SocketTimeoutException ste) {
_conn.println("421 Service shutting down and closing transmission channel");
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
_socket.close();
} catch (IOException ioe) {
ioe.printStackTrace();
}
}
}
void sendGreetings() {
_conn.println("+OK POP3 GreenMail Server ready");
}