/interpreter/tags/at2dist041108/src/edu/vub/at/util/logging/Logging.java
Java | 96 lines | 29 code | 13 blank | 54 comment | 1 complexity | e37b6707866815639d79f13e2cde8dab MD5 | raw file
1/** 2 * AmbientTalk/2 Project 3 * Logging.java created on 20-feb-2007 at 10:05:26 4 * (c) Programming Technology Lab, 2006 - 2007 5 * Authors: Tom Van Cutsem & Stijn Mostinckx 6 * 7 * Permission is hereby granted, free of charge, to any person 8 * obtaining a copy of this software and associated documentation 9 * files (the "Software"), to deal in the Software without 10 * restriction, including without limitation the rights to use, 11 * copy, modify, merge, publish, distribute, sublicense, and/or 12 * sell copies of the Software, and to permit persons to whom the 13 * Software is furnished to do so, subject to the following 14 * conditions: 15 * 16 * The above copyright notice and this permission notice shall be 17 * included in all copies or substantial portions of the Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 20 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 21 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 22 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 23 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 24 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 25 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 26 * OTHER DEALINGS IN THE SOFTWARE. 27 */ 28package edu.vub.at.util.logging; 29 30import java.io.IOException; 31import java.util.Enumeration; 32import java.util.Properties; 33 34 35/** 36 * Auxiliary class used to more easily access AmbientTalk/2 loggers. 37 * 38 * @author tvcutsem 39 */ 40public final class Logging { 41 42 /** 43 * Logs information regarding all event loops in the AT/2 runtime. 44 */ 45 public static final Logger EventLoop_LOG = Logger.getInstance("at.eventloops"); 46 47 /** 48 * Logs information of all actor event loops in the AT/2 runtime. 49 */ 50 public static final Logger Actor_LOG = Logger.getInstance("at.eventloops.actors"); 51 52 /** 53 * Logs information of all remote reference event loops in the AT/2 runtime. 54 */ 55 public static final Logger RemoteRef_LOG = Logger.getInstance("at.eventloops.remoterefs"); 56 57 /** 58 * Logs information of the VM event loops of the AT/2 runtime. 59 */ 60 public static final Logger VirtualMachine_LOG = Logger.getInstance("at.eventloops.vm"); 61 62 /** 63 * Logs information related to the object path, init file, etc. 64 */ 65 public static final Logger Init_LOG = Logger.getInstance("at.init"); 66 67 /** 68 * Logs information related to network communication 69 */ 70 public static final Logger Network_LOG = Logger.getInstance("at.network"); 71 72 73 static { 74 // intialize the Logging API 75 76 Properties props = new Properties(); 77 try { 78 props.load(Logging.class.getResourceAsStream("logging.props")); 79 Enumeration allProperties = props.propertyNames(); 80 // interpret each KEY=VALUE pair in the log file as 81 // Logger(KEY).setPriority(VALUE) 82 // where KEY = the name of a logger and VALUE = a priority level (e.g. WARN, DEBUG, ...) 83 while (allProperties.hasMoreElements()) { 84 String loggerName = (String) allProperties.nextElement(); 85 try { 86 Logger.getInstance(loggerName).setPriority(props.getProperty(loggerName)); 87 } catch (IllegalArgumentException e) { 88 System.err.println("Illegal priority level for logger " + loggerName + ": " + props.getProperty(loggerName)); 89 } 90 } 91 } catch (IOException e) { 92 System.err.println("Could not read properties file: " + e.getMessage()); 93 } 94 } 95 96}