How to use

getLastActivityTimeMillis

method

in

org.jboss.netty.handler.timeout.IdleStateEvent

@Override
public void channelIdle(ChannelHandlerContext ctx, IdleStateEvent e) throws Exception {
  if (e.getState() == IdleState.ALL_IDLE) {
    throw new SMTPIdleException("Connection was idling for " + (System.currentTimeMillis()- e.getLastActivityTimeMillis()) + " ms");
  }
  super.channelIdle(ctx, e);
}