Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.huahinframework.emanager.util; import java.io.PrintWriter; import java.net.InetAddress; import java.net.InetSocketAddress; import java.net.Socket; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; /** * */ public class StopUtils { private static final Log log = LogFactory.getLog(StopUtils.class); /** * @param port * @param msg */ public static void stop(int port, String msg) { try { InetSocketAddress socketAddress = new InetSocketAddress("localhost", port); Socket socket = new Socket(); socket.connect(socketAddress, 10000); InetAddress inadr = socket.getInetAddress(); if (inadr == null) { log.error("connect error: " + "localhost:" + port); return; } PrintWriter writer = new PrintWriter(socket.getOutputStream()); writer.println(msg); writer.close(); socket.close(); } catch (Exception e) { log.error(e); e.printStackTrace(); } } }