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annotate src/org/dancres/blitz/Logging.java @ 35:6f68e94c1fb8 default tip

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Add CondensedStats monitoring utility, equivalent to vmstat
author Dominic Cleal <dominic-cleal@cdo2.com>
date Thu, 05 Aug 2010 11:07:25 +0100
parents 3dc0c5604566
children
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1 package org.dancres.blitz;
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2
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3 import java.io.IOException;
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4
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5 import java.util.logging.*;
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6
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7 import net.jini.config.ConfigurationException;
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8
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9 import org.dancres.blitz.config.ConfigurationFactory;
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10
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11
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12 /**
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13 The source for logger instances. This allows centralized control of
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14 default logging level etc.
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15 */
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16 public class Logging {
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17 private static Handler theConsole = new ConsoleHandler();
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18 // private static Handler theConsole;
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19
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20 static {
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21 // try {
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22 //theConsole = new FileHandler("/tmp/blitz.log");
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23 theConsole.setLevel(Level.ALL);
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24 //} catch (IOException anIOE) {
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25 // }
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26 }
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27
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28 public static Logger newLogger(String aName) {
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29 Logger myLogger = Logger.getLogger(aName);
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30
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31 try {
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32 /*
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33 Allow user to override configuration of logging levels
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34 from Blitz.config file
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35 */
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36 Boolean myDisableConfig = (Boolean)
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37 ConfigurationFactory.getEntry("ignoreLogConfig", Boolean.class,
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38 new Boolean(false));
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39
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40 if (myDisableConfig.booleanValue()) {
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41 return myLogger;
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42 }
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43
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44 Level myDefaultLevel = (Level)
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45 ConfigurationFactory.getEntry("defaultLogLevel", Level.class,
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46 Level.WARNING);
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47
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48
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49 String myLevelName = aName + "LogLevel";
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50 myLevelName = myLevelName.replaceAll("\\.", "_");
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51
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52 // System.out.println("Looking for: " + myLevelName);
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53
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54 Level myLevel = (Level)
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55 ConfigurationFactory.getEntry(myLevelName, Level.class,
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56 myDefaultLevel);
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57
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58 // System.out.println("Logger: " + aName + ": " + myLevel);
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59 myLogger.setLevel(myLevel);
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60
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61 // If we've got a default logger it'll be sending to parent
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62 // handlers
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63 if (myLogger.getUseParentHandlers()) {
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64 myLogger.setUseParentHandlers(false);
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65 myLogger.addHandler(theConsole);
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66 }
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67
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68 } catch (ConfigurationException aCE) {
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69 System.err.println("Error reading logging config");
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70 aCE.printStackTrace(System.err);
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71 }
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72
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73 return myLogger;
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74 }
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75
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76 public static Logger newLogger(String aName, Level aLevel) {
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77 Logger myLogger = Logger.getLogger(aName);
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78
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79 myLogger.setLevel(aLevel);
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80
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81 return myLogger;
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82 }
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83 }