Java tutorial
/* * Copyright (c) 2015 Alexandre Almeida. * * Licensed 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 com.aalmeida.lightning; import org.apache.commons.daemon.Daemon; import org.apache.commons.daemon.DaemonContext; import org.apache.commons.daemon.DaemonInitException; import org.apache.log4j.Logger; public class LightningDaemon implements Daemon { private static Logger log = Config.getCoreLogger(); private Thread thread; private boolean stopped = false; /* (non-Javadoc) * @see org.apache.commons.daemon.Daemon#init(org.apache.commons.daemon.DaemonContext) */ public void init(DaemonContext pArg0) throws DaemonInitException, Exception { this.thread = new Thread() { public synchronized void start() { super.start(); try { LightningDaemon.log.info("Start -- 1.5.0 - 20140902-2353"); } catch (Throwable e) { LightningDaemon.log.fatal("Something went wrong", e); } } public void run() { while (!LightningDaemon.this.stopped) { } } }; } /* (non-Javadoc) * @see org.apache.commons.daemon.Daemon#start() */ public void start() throws Exception { this.thread.start(); } /* (non-Javadoc) * @see org.apache.commons.daemon.Daemon#stop() */ public void stop() throws Exception { this.stopped = true; try { this.thread.join(1000L); } catch (InterruptedException e) { System.err.println(e.getMessage()); throw e; } } /* (non-Javadoc) * @see org.apache.commons.daemon.Daemon#destroy() */ public void destroy() { this.thread = null; } }