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//
// ========================================================================
// Copyright (c) 1995-2012 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.monitor.jmx;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
/* ------------------------------------------------------------ */
/**
* ConsoleNotifier
*
* Provides a way to output notification messages to a log file
*/
public class LoggingNotifier implements EventNotifier
{
private static final Logger LOG = Log.getLogger(LoggingNotifier.class);
String _messageFormat;
/* ------------------------------------------------------------ */
/**
* Constructs a new notifier with specified format string
*
* @param format the {@link java.util.Formatter format string}
* @throws IllegalArgumentException
*/
public LoggingNotifier(String format)
throws IllegalArgumentException
{
if (format == null)
throw new IllegalArgumentException("Message format cannot be null");
_messageFormat = format;
}
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.monitor.jmx.EventNotifier#notify(org.eclipse.jetty.monitor.jmx.EventTrigger, org.eclipse.jetty.monitor.jmx.EventState, long)
*/
public void notify(EventTrigger trigger, EventState<?> state, long timestamp)
{
String output = String.format(_messageFormat, state);
LOG.info(output);
}
}
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