/interpreter/tags/at2-build270707/src/edu/vub/at/util/logging/Logging.java

http://ambienttalk.googlecode.com/ · 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. */
  28. package edu.vub.at.util.logging;
  29. import java.io.IOException;
  30. import java.util.Enumeration;
  31. import java.util.Properties;
  32. /**
  33. * Auxiliary class used to more easily access AmbientTalk/2 loggers.
  34. *
  35. * @author tvcutsem
  36. */
  37. public final class Logging {
  38. /**
  39. * Logs information regarding all event loops in the AT/2 runtime.
  40. */
  41. public static final Logger EventLoop_LOG = Logger.getInstance("at.eventloops");
  42. /**
  43. * Logs information of all actor event loops in the AT/2 runtime.
  44. */
  45. public static final Logger Actor_LOG = Logger.getInstance("at.eventloops.actors");
  46. /**
  47. * Logs information of all remote reference event loops in the AT/2 runtime.
  48. */
  49. public static final Logger RemoteRef_LOG = Logger.getInstance("at.eventloops.remoterefs");
  50. /**
  51. * Logs information of the VM event loops of the AT/2 runtime.
  52. */
  53. public static final Logger VirtualMachine_LOG = Logger.getInstance("at.eventloops.vm");
  54. /**
  55. * Logs information related to the object path, init file, etc.
  56. */
  57. public static final Logger Init_LOG = Logger.getInstance("at.init");
  58. /**
  59. * Logs information related to network communication
  60. */
  61. public static final Logger Network_LOG = Logger.getInstance("at.network");
  62. static {
  63. // intialize the Logging API
  64. Properties props = new Properties();
  65. try {
  66. props.load(Logging.class.getResourceAsStream("logging.props"));
  67. Enumeration allProperties = props.propertyNames();
  68. // interpret each KEY=VALUE pair in the log file as
  69. // Logger(KEY).setPriority(VALUE)
  70. // where KEY = the name of a logger and VALUE = a priority level (e.g. WARN, DEBUG, ...)
  71. while (allProperties.hasMoreElements()) {
  72. String loggerName = (String) allProperties.nextElement();
  73. try {
  74. Logger.getInstance(loggerName).setPriority(props.getProperty(loggerName));
  75. } catch (IllegalArgumentException e) {
  76. System.err.println("Illegal priority level for logger " + loggerName + ": " + props.getProperty(loggerName));
  77. }
  78. }
  79. } catch (IOException e) {
  80. System.err.println("Could not read properties file: " + e.getMessage());
  81. }
  82. }
  83. }