1// 2// ======================================================================== 3// Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd. 4// ------------------------------------------------------------------------ 5// All rights reserved. This program and the accompanying materials 6// are made available under the terms of the Eclipse Public License v1.0 7// and Apache License v2.0 which accompanies this distribution. 8// 9// The Eclipse Public License is available at 10// http://www.eclipse.org/legal/epl-v10.html 11// 12// The Apache License v2.0 is available at 13// http://www.opensource.org/licenses/apache2.0.php 14// 15// You may elect to redistribute this code under either of these licenses. 16// ======================================================================== 17// 18 19package org.eclipse.jetty.util.component; 20 21import java.io.FileWriter; 22 23import org.eclipse.jetty.util.log.Log; 24import org.eclipse.jetty.util.log.Logger; 25 26 27/* ------------------------------------------------------------ */ 28/** A LifeCycle Listener that writes state changes to a file. 29 * <p>This can be used with the jetty.sh script to wait for successful startup. 30 */ 31public class FileNoticeLifeCycleListener implements LifeCycle.Listener 32{ 33 Logger LOG = Log.getLogger(FileNoticeLifeCycleListener.class); 34 35 private final String _filename; 36 37 public FileNoticeLifeCycleListener(String filename) 38 { 39 _filename=filename; 40 } 41 42 private void writeState(String action, LifeCycle lifecycle) 43 { 44 try 45 { 46 FileWriter out = new FileWriter(_filename,true); 47 out.append(action).append(" ").append(lifecycle.toString()).append("\n"); 48 out.close(); 49 } 50 catch(Exception e) 51 { 52 LOG.warn(e); 53 } 54 } 55 56 public void lifeCycleStarting(LifeCycle event) 57 { 58 writeState("STARTING",event); 59 } 60 61 public void lifeCycleStarted(LifeCycle event) 62 { 63 writeState("STARTED",event); 64 } 65 66 public void lifeCycleFailure(LifeCycle event, Throwable cause) 67 { 68 writeState("FAILED",event); 69 } 70 71 public void lifeCycleStopping(LifeCycle event) 72 { 73 writeState("STOPPING",event); 74 } 75 76 public void lifeCycleStopped(LifeCycle event) 77 { 78 writeState("STOPPED",event); 79 } 80} 81