question: public void emergencyClose ( ) { if ( stopped ) { return ; } stopped = true ; try { if ( channel != null ) { channel . close ( ) ; } else { if ( socket != null ) { socket . close ( ) ; } } } catch ( IOException e ) { } ConnectionTable . emergencyClose ( ) ; socket = null ; thread = null ; conTable = null ; }
target:  Close the ServerSocketChannel, ServerSocket, and the ConnectionTable.