Java tutorial
//package com.java2s; /* * Flazr <http://flazr.com> Copyright (C) 2009 Peter Thomas. * * This file is part of Flazr. * * Flazr is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Flazr is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with Flazr. If not, see <http://www.gnu.org/licenses/>. */ import java.io.OutputStream; import java.net.InetAddress; import java.net.Socket; public class Main { public static void sendStopSignal(int port) { try { Socket s = new Socket(InetAddress.getByName("127.0.0.1"), port); OutputStream out = s.getOutputStream(); System.err.println("sending server stop request"); out.write(("\r\n").getBytes()); out.flush(); s.close(); } catch (Exception e) { // can happen when called twice by jvm shutdown hook System.err.println("stop monitor thread has terminated"); } } }