Examples of java.util.logging.LogManager.readConfiguration()

java.util.logging.LogManager.readConfiguration()
Reinitialize the logging properties and reread the logging configuration.
The same rules are used for locating the configuration properties as are used at startup. So normally the logging properties will be re-read from the same file that was used at startup.
Any log level definitions in the new configuration file will be applied using Logger.setLevel(), if the target Logger exists.
A PropertyChangeEvent will be fired after the properties are read. @exception SecurityException if a security manager exists and ifthe caller does not have LoggingPermission("control"). @exception IOException if there are IO problems reading the configuration.

      }
      try {
         InputStream in = url.openStream();


         LogManager logManager = LogManager.getLogManager();
         logManager.readConfiguration(in);
         in.close();


         // init from command line (or xmlBlaster.properties)
         synchronized (Global.class) {
            if (!logIsInitialized) {

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            System.out.println("STARTUP: Trying to load logging configuration from file " + loggingConfigFile.toString());
            fileIn = new FileInputStream(loggingConfigFile);


            // loading the logger configuration from file
            final LogManager logManager = LogManager.getLogManager();
            logManager.readConfiguration(fileIn);


            // creating the logging directory
            String logPattern = logManager.getProperty("java.util.logging.FileHandler.pattern");
            int stripPos = logPattern.lastIndexOf(File.separatorChar);
            if (!new File(logPattern).isAbsolute()) logPattern = new File(dataPath, logPattern).getAbsolutePath();

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            if (haveLoadedOurDefault || isDefaultJdkConfig()) {
                haveLoadedOurDefault = true;
                consoleHandler.setFormatter(
                        new BasicTextJdkLogFormatter(false));
                consoleHandler.setLevel(Level.INFO);
                lm.readConfiguration(
                        FrameworkLogger.class.getResourceAsStream(
                        "/org/hsqldb/resources/jdklogging-default.properties"));
                Logger cmdlineLogger = Logger.getLogger("org.hsqldb.cmdline");
                cmdlineLogger.addHandler(consoleHandler);
                cmdlineLogger.setUseParentHandlers(false);

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                cmdlineLogger.addHandler(consoleHandler);
                cmdlineLogger.setUseParentHandlers(false);
            } else {
                // Do not intervene.  Use JDK logging exactly as configured by
                // user.
                lm.readConfiguration();
                // The only bad thing about doing this is that if the app has
                // programmatically changed the logging config after starting
                // the program but before using FrameworkLogger, we will
                // clobber those customizations.
            }

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    public LogControl(Class refClass, String loggingProperties) {
        LogManager logManager = LogManager.getLogManager();
        InputStream in = refClass.getResourceAsStream(loggingProperties);
//        System.out.println("************************ LOADING LOG config from "+in);
        try {
            logManager.readConfiguration(in);
        } catch(IOException e) {
            e.printStackTrace();
        }
    }

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      // Configure java.util.logging and get a Logger instance
      System
          .setProperty("java.util.logging.config.file",
              PROPERTIES_FILE);
      LogManager logManager = LogManager.getLogManager();
      logManager.readConfiguration();
      logger = Logger.getLogger("");


      // Read the properties configuration
      reader = new FileReader(PROPERTIES_FILE);
      properties = new Properties();

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      // Configure java.util.logging and get a Logger instance
      System
          .setProperty("java.util.logging.config.file",
              PROPERTIES_FILE);
      LogManager logManager = LogManager.getLogManager();
      logManager.readConfiguration();
      logger = Logger.getLogger("");


      // Read the properties configuration
      reader = new FileReader(PROPERTIES_FILE);
      Client.properties = new Properties();

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    System.setProperty("java.util.logging.config.file", PROPERTIES_FILE);
    LogManager logManager = LogManager.getLogManager();
    try
    {
      logManager.readConfiguration();
    }
    catch (IOException e){}
    logger = Logger.getLogger("");    
    textarea = new JTextArea();
    textarea.setLineWrap(true);

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            props.put("testConfigClass.foo.level", "OFF");
            props.put("testConfigClass.foo.handlers", "java.util.logging.ConsoleHandler");        
            props.put(".level", "FINEST");
            props.remove("handlers");
            InputStream in = EnvironmentHelper.PropertiesToInputStream(props);
            man.readConfiguration(in);
        }
    }
    
  public static class MockInvalidInitClass {
    public MockInvalidInitClass() {

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      checkPropertyNull(manager);
      assertEquals(0, root.getHandlers().length);
      assertEquals(Level.INFO, root.getLevel());


      try {
        manager.readConfiguration();
      } catch (Exception e) {
        e.printStackTrace();
      }
      checkProperty(manager);
      assertNull(root.getHandlers()[0].getLevel());

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