1 // ======================================================================== 2 // Copyright (c) Webtide LLC 3 // ------------------------------------------------------------------------ 4 // All rights reserved. This program and the accompanying materials 5 // are made available under the terms of the Eclipse Public License v1.0 6 // and Apache License v2.0 which accompanies this distribution. 7 // The Eclipse Public License is available at 8 // http://www.eclipse.org/legal/epl-v10.html 9 // The Apache License v2.0 is available at 10 // http://www.opensource.org/licenses/apache2.0.php 11 // You may elect to redistribute this code under either of these licenses. 12 // ======================================================================== 13 14 package org.eclipse.jetty.monitor.jmx; 15 16 17 /* ------------------------------------------------------------ */ 18 /** 19 * ConsoleNotifier 20 * 21 * Provides a way to output notification messages to the server console 22 */ 23 public class ConsoleNotifier implements EventNotifier 24 { 25 String _messageFormat; 26 27 28 /* ------------------------------------------------------------ */ 29 /** 30 * Constructs a new notifier with specified format string 31 * 32 * @param format the {@link java.util.Formatter format string} 33 * @throws IllegalArgumentException 34 */ 35 public ConsoleNotifier(String format) 36 throws IllegalArgumentException 37 { 38 if (format == null) 39 throw new IllegalArgumentException("Message format cannot be null"); 40 41 _messageFormat = format; 42 } 43 44 /* ------------------------------------------------------------ */ 45 /** 46 * @see org.eclipse.jetty.monitor.jmx.EventNotifier#notify(org.eclipse.jetty.monitor.jmx.EventTrigger, org.eclipse.jetty.monitor.jmx.EventState, long) 47 */ 48 public void notify(EventTrigger trigger, EventState<?> state, long timestamp) 49 { 50 String output = String.format("%1$tF %1$tT.%1$tL:NOTIFY::", timestamp); 51 52 output += String.format(_messageFormat, state); 53 54 System.out.println(output); 55 } 56 }