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annotate src/org/eclipse/jetty/util/component/FileNoticeLifeCycleListener.java @ 820:8e9db0bbf4f9

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remove org.eclipse.jetty.util.log and upgrade slf4j
author Franklin Schmidt <fschmidt@gmail.com>
date Tue, 13 Sep 2016 23:13:06 -0600
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rev   line source
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1 //
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2 // ========================================================================
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3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
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4 // ------------------------------------------------------------------------
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5 // All rights reserved. This program and the accompanying materials
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6 // are made available under the terms of the Eclipse Public License v1.0
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7 // and Apache License v2.0 which accompanies this distribution.
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8 //
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9 // The Eclipse Public License is available at
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10 // http://www.eclipse.org/legal/epl-v10.html
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11 //
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12 // The Apache License v2.0 is available at
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13 // http://www.opensource.org/licenses/apache2.0.php
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14 //
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15 // You may elect to redistribute this code under either of these licenses.
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16 // ========================================================================
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17 //
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18
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19 package org.eclipse.jetty.util.component;
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20
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21 import java.io.FileWriter;
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22
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23 import org.slf4j.Logger;
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24 import org.slf4j.LoggerFactory;
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26
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27 /* ------------------------------------------------------------ */
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28 /** A LifeCycle Listener that writes state changes to a file.
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29 * <p>This can be used with the jetty.sh script to wait for successful startup.
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30 */
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31 public class FileNoticeLifeCycleListener implements LifeCycle.Listener
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32 {
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33 Logger LOG = LoggerFactory.getLogger(FileNoticeLifeCycleListener.class);
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34
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35 private final String _filename;
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36
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37 public FileNoticeLifeCycleListener(String filename)
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38 {
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39 _filename=filename;
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40 }
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41
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42 private void writeState(String action, LifeCycle lifecycle)
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43 {
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44 try
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45 {
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46 FileWriter out = new FileWriter(_filename,true);
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47 out.append(action).append(" ").append(lifecycle.toString()).append("\n");
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48 out.close();
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49 }
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50 catch(Exception e)
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51 {
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52 LOG.warn("",e);
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53 }
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54 }
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55
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56 public void lifeCycleStarting(LifeCycle event)
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57 {
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58 writeState("STARTING",event);
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59 }
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60
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61 public void lifeCycleStarted(LifeCycle event)
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62 {
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63 writeState("STARTED",event);
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64 }
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65
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66 public void lifeCycleFailure(LifeCycle event, Throwable cause)
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67 {
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68 writeState("FAILED",event);
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69 }
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70
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71 public void lifeCycleStopping(LifeCycle event)
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72 {
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73 writeState("STOPPING",event);
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74 }
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75
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76 public void lifeCycleStopped(LifeCycle event)
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77 {
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78 writeState("STOPPED",event);
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79 }
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80 }