Examples of java.util.logging.Logger.removeHandler()

java.util.logging.Logger.removeHandler()
Remove a log Handler.
Returns silently if the given Handler is not found or is null @param handler a logging Handler @exception SecurityException if a security manager exists and ifthe caller does not have LoggingPermission("control").

        final Logger rootLogger = Logger.getLogger("");
        for (Handler handler : rootLogger.getHandlers()) {
            if (handler instanceof ConsoleHandler) {
                if (consoleHandler != null) {
                    // duplicate handlers
                    rootLogger.removeHandler(handler);
                } else {
                    consoleHandler = handler;
                    ((ConsoleHandler)consoleHandler).setWriter(new SynchronizedWriter(System.out));
                }
            }

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    isStarted = true;
    final Level logLevel = Level.FINEST;
    final Logger rootLogger = Logger.getLogger("");
    final Handler handlers[] = rootLogger.getHandlers();
    for ( int i=0; i<handlers.length; i++ ) {
      rootLogger.removeHandler(handlers[i]);
    }
    rootLogger.setLevel(logLevel);
    final Handler handler = new Log4jHandler();
    handler.setLevel(logLevel);
    rootLogger.addHandler( handler );

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                            if (log4j == null) {
                                log4j = new Log4JFormatter(base);
                            }


                            try {
                                logger.removeHandler(handler);
                                handler = new Stdout(handler, log4j);
                                handler.setLevel(filterLevel);
                            } catch (UnsupportedEncodingException exception) {
                                unexpectedException(exception);
                            } catch (SecurityException exception) {

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                            logger.setLevel(logLevel);
                        }


                        // remove System.err stream handler to avoid
                        // duplications
                        logger.removeHandler(consoleHandler);


                        // add System.err stream handler again
                        logger.addHandler(consoleHandler);
                        return new RMILog(logger);
                    }

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    Logger log = Logger
        .getLogger("testRemoveHandler_NamedLoggerSufficientPrivilege");
    MockHandler h = new MockHandler();
    log.addHandler(h);
    assertEquals(log.getHandlers().length, 1);
    log.removeHandler(h);
    assertEquals(log.getHandlers().length, 0);
  }


  /*
   * Test removeHandler(Handler) for a named logger with sufficient privilege,

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  public void testRemoveHandler_NamedLoggerSufficientPrivilegeNotExisting() {
    Logger log = Logger
        .getLogger("testRemoveHandler_NamedLoggerSufficientPrivilegeNotExisting");
    MockHandler h = new MockHandler();
    assertEquals(log.getHandlers().length, 0);
    log.removeHandler(h);
    assertEquals(log.getHandlers().length, 0);
  }


  /*
   * Test removeHandler(Handler) with a null handler.

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  /*
   * Test removeHandler(Handler) with a null handler.
   */
  public void testRemoveHandler_Null() {
    Logger log = Logger.getLogger("testRemoveHandler_Null");
    log.removeHandler(null);
    assertEquals(log.getHandlers().length, 0);
  }


  /*
   * Test removeHandler(Handler) for a named logger with insufficient

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    // test if don't call logger, what is the default value
    lr = new LogRecord(Level.SEVERE, MSG);
    handler.publish(lr);
    assertNull(handler.getSourceClassName());
    assertNull(handler.getSourceMethodName());
    logger.removeHandler(handler);
  }


  public void testGetSetMessage() {
    assertEquals(MSG, lr.getMessage());
    lr.setMessage(null);

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                        throwable);
            }
        });
        Logger root = Logger.getLogger("");
        for (Handler handler : root.getHandlers()) {
            root.removeHandler(handler);
        }
        root.addHandler(fh);


        int port = 22;
        String host = null;

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      Logger rootLogger = LogManager.getLogManager().getLogger("");


      // remove old handlers
      for(Handler handler : rootLogger.getHandlers())
      {
        rootLogger.removeHandler(handler);
      }


      // add our own
      activeHandler = new JDKLogHandler(minLivel);
      activeHandler.setLevel(Level.ALL);

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