Jake Slack | 03928ae | 2014-05-13 18:41:56 -0700 | [diff] [blame] | 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 | |
| 19 | package org.eclipse.jetty.util.component; |
| 20 | |
| 21 | import java.io.FileWriter; |
| 22 | |
| 23 | import org.eclipse.jetty.util.log.Log; |
| 24 | import 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 | */ |
| 31 | public 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 | } |