Importing upstream Jetty jetty-9.2.1.v20140609

[gigi.git] / lib / jetty / org / eclipse / jetty / util / component / FileNoticeLifeCycleListener.java

diff --git a/lib/jetty/org/eclipse/jetty/util/component/FileNoticeLifeCycleListener.java b/lib/jetty/org/eclipse/jetty/util/component/FileNoticeLifeCycleListener.java
new file mode 100644 (file)
index 0000000..1c4dcec
--- /dev/null
+++ b/lib/jetty/org/eclipse/jetty/util/component/FileNoticeLifeCycleListener.java
@@ -0,0 +1,79 @@
+//
+//  ========================================================================
+//  Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
+//  ------------------------------------------------------------------------
+//  All rights reserved. This program and the accompanying materials
+//  are made available under the terms of the Eclipse Public License v1.0
+//  and Apache License v2.0 which accompanies this distribution.
+//
+//      The Eclipse Public License is available at
+//      http://www.eclipse.org/legal/epl-v10.html
+//
+//      The Apache License v2.0 is available at
+//      http://www.opensource.org/licenses/apache2.0.php
+//
+//  You may elect to redistribute this code under either of these licenses.
+//  ========================================================================
+//
+
+package org.eclipse.jetty.util.component;
+
+import java.io.FileWriter;
+import java.io.Writer;
+
+import org.eclipse.jetty.util.log.Log;
+import org.eclipse.jetty.util.log.Logger;
+
+
+/* ------------------------------------------------------------ */
+/** A LifeCycle Listener that writes state changes to a file.
+ * <p>This can be used with the jetty.sh script to wait for successful startup.
+ */
+public class FileNoticeLifeCycleListener implements LifeCycle.Listener
+{
+    private static final Logger LOG = Log.getLogger(FileNoticeLifeCycleListener.class);
+    
+    private final String _filename;
+    
+    public FileNoticeLifeCycleListener(String filename)
+    {
+        _filename=filename;
+    }
+
+    private void writeState(String action, LifeCycle lifecycle)
+    {
+        try (Writer out = new FileWriter(_filename,true))
+        {
+            out.append(action).append(" ").append(lifecycle.toString()).append("\n");
+        }
+        catch(Exception e)
+        {
+            LOG.warn(e);
+        }
+    }
+    
+    public void lifeCycleStarting(LifeCycle event)
+    {  
+        writeState("STARTING",event);      
+    }
+
+    public void lifeCycleStarted(LifeCycle event)
+    {        
+        writeState("STARTED",event); 
+    }
+
+    public void lifeCycleFailure(LifeCycle event, Throwable cause)
+    {        
+        writeState("FAILED",event);
+    }
+
+    public void lifeCycleStopping(LifeCycle event)
+    {        
+        writeState("STOPPING",event);
+    }
+
+    public void lifeCycleStopped(LifeCycle event)
+    {        
+        writeState("STOPPED",event);
+    }
+}