Java LoggerContext.updateLoggers方法代码示例

import org.apache.logging.log4j.core.LoggerContext; //导入方法依赖的package包/类
@PUT
@Path("/log/change-level/{loggerName}/{newLevel}")
public Response changeLogLevel(@PathParam("loggerName") String loggerName,
                               @PathParam("newLevel") String newLevel) {

    LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
    Configuration config = ctx.getConfiguration();
    LoggerConfig loggerConfig = config.getLoggerConfig(loggerName);

    if (loggerConfig.getName().equals(LogManager.ROOT_LOGGER_NAME)) {
        return Response.ok("Not found", MediaType.TEXT_PLAIN).build();
    }

    loggerConfig.setLevel(Level.valueOf(newLevel));
    ctx.updateLoggers();  // This causes all Loggers to refetch information from their LoggerConfig.

    return Response.ok("Done", MediaType.TEXT_PLAIN).build();
}
 

import org.apache.logging.log4j.core.LoggerContext; //导入方法依赖的package包/类
private static void addFileAppender() throws IOException {
  final String tempDir = System.getProperty("java.io.tmpdir");
  final File logFile = new File(tempDir, "meghanada_server.log");
  final LoggerContext context = (LoggerContext) LogManager.getContext(false);
  final Configuration configuration = context.getConfiguration();
  final LoggerConfig loggerConfig = configuration.getLoggerConfig(LogManager.ROOT_LOGGER_NAME);
  final FileAppender fileAppender =
      FileAppender.newBuilder()
          .withName("file")
          .withLayout(
              PatternLayout.newBuilder()
                  .withPattern("[%d][%-5.-5p][%-14.-14c{1}:%4L] %-22.-22M - %m%n")
                  .build())
          .withFileName(logFile.getCanonicalPath())
          .build();
  configuration.addAppender(fileAppender);
  loggerConfig.addAppender(fileAppender, Level.ERROR, null);
  context.updateLoggers();
}
 

import org.apache.logging.log4j.core.LoggerContext; //导入方法依赖的package包/类
private void toggleCleanLogging() {
	
	this.cleanLogging = !cleanLogging;
	interactionHandler.sendText("clean logging: " + cleanLogging);
	String appenderToAdd = cleanLogging ? "Clean" : "Console";
	String appenderToRemove = cleanLogging ? "Console" : "Clean";
	
       final LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
       final Configuration config = ctx.getConfiguration();
       
       for (org.apache.logging.log4j.core.Logger logger : ctx.getLoggers()) {
       	
       	logger.removeAppender(config.getAppender(appenderToRemove));
       	config.addLoggerAppender(logger, config.getAppender(appenderToAdd));
       }
       ctx.updateLoggers();
	
}
 

import org.apache.logging.log4j.core.LoggerContext; //导入方法依赖的package包/类
public void watch(Class<?> loggerClass, Level level) {
    this.loggerClass = loggerClass;
    Appender appender = new AbstractAppender(APPENDER_NAME, null, PatternLayout.createDefaultLayout()) {
        @Override
        public void append(LogEvent event) {
            logEvents.add(event);
        }
    };
    appender.start();
    final LoggerContext ctx = getLoggerContext();
    LoggerConfig loggerConfig = ctx.getConfiguration().getLoggerConfig(loggerClass.getName());
    oldLevel = loggerConfig.getLevel();
    loggerConfig.setLevel(level);
    loggerConfig.addAppender(appender, level, null);
    ctx.updateLoggers();
}
 

import org.apache.logging.log4j.core.LoggerContext; //导入方法依赖的package包/类
public static LoggerConfig getOrCreateLoggerConfig(String name) {
  LoggerContext context = (LoggerContext) LogManager.getContext(false);
  Configuration config = context.getConfiguration();
  LoggerConfig logConfig = config.getLoggerConfig(name);
  boolean update = false;
  if (!logConfig.getName().equals(name)) {
    List<AppenderRef> appenderRefs = logConfig.getAppenderRefs();
    Map<Property, Boolean> properties = logConfig.getProperties();
    Set<Property> props = properties == null ? null : properties.keySet();
    logConfig = LoggerConfig.createLogger(String.valueOf(logConfig.isAdditive()),
        logConfig.getLevel(), name, String.valueOf(logConfig.isIncludeLocation()),
        appenderRefs == null ? null : appenderRefs.toArray(new AppenderRef[appenderRefs.size()]),
        props == null ? null : props.toArray(new Property[props.size()]), config, null);
    config.addLogger(name, logConfig);
    update = true;
  }
  if (update) {
    context.updateLoggers();
  }
  return logConfig;
}
 

import org.apache.logging.log4j.core.LoggerContext; //导入方法依赖的package包/类
public static void main(String[] args) {
	final LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
	final Configuration config = ctx.getConfiguration();
	config.getLoggerConfig(strategy.Portfolio.class.getName()).setLevel(Level.WARN);
	ctx.updateLoggers(config);
	
	final CommonParam cp = ParamManager.getCommonParam("i", TIME_FRAME.MIN15, "20080101 000000", "20160101 170000");
	
	StrategyOptimizer so = new StrategyOptimizer(tester.RealStrategyTester.class);
	so.setInstrumentParam(cp.instrument, cp.tf);
	so.setTestDateRange((int) DateTimeHelper.Ldt2Long(cp.start_date), (int) DateTimeHelper.Ldt2Long(cp.end_date));
	int num = so.setStrategyParamRange(MaPsarStrategy.class, new Integer[]{12, 500, 2}, new String[]{MA.MODE_EMA, MA.MODE_SMMA}, new APPLIED_PRICE[] {APPLIED_PRICE.PRICE_CLOSE, APPLIED_PRICE.PRICE_TYPICAL}, new Float[]{0.01f, 0.02f, 0.01f}, new Float[]{0.1f, 0.2f, 0.02f});
	System.out.println(num);
	so.StartOptimization();
	Set<Entry<Object[],Performances>> entryset = so.result_db.entrySet();
	for (Entry<Object[],Performances> entry : entryset) {
		for (Object obj : entry.getKey()) {
			System.out.print(obj + ",\t");
		}
		System.out.println("ProfitRatio: " + String.format("%.5f", entry.getValue().ProfitRatio) + "\tMaxDrawDown: " + entry.getValue().MaxDrawDown);
	}
}
 

import org.apache.logging.log4j.core.LoggerContext; //导入方法依赖的package包/类
public static void main(String[] args) {
	final LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
	final Configuration config = ctx.getConfiguration();
	config.getLoggerConfig(strategy.Portfolio.class.getName()).setLevel(Level.WARN);
	ctx.updateLoggers(config);
	
	final CommonParam cp = ParamManager.getCommonParam("cu", TIME_FRAME.DAY, "19980101 000000", "20160916 170000");
	
	StrategyOptimizer so = new StrategyOptimizer(tester.RealStrategyTester.class);
	so.setInstrumentParam(cp.instrument, cp.tf);
	so.setTestDateRange((int) DateTimeHelper.Ldt2Long(cp.start_date), (int) DateTimeHelper.Ldt2Long(cp.end_date));
	int num = so.setStrategyParamRange(ChannelBreakStrategy.class, new Integer[]{4, 800, 2});
	System.out.println(num);
	so.StartOptimization();
	Set<Entry<Object[],Performances>> entryset = so.result_db.entrySet();
	for (Entry<Object[],Performances> entry : entryset) {
		for (Object obj : entry.getKey()) {
			System.out.print(obj + ",\t");
		}
		System.out.println("ProfitRatio: " + entry.getValue().ProfitRatio + "\tMaxDrawDown: " + entry.getValue().MaxDrawDown);
	}
}
 

import org.apache.logging.log4j.core.LoggerContext; //导入方法依赖的package包/类
public static void main(String[] args) {
	final LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
	final Configuration config = ctx.getConfiguration();
	config.getLoggerConfig(strategy.Portfolio.class.getName()).setLevel(Level.WARN);
	ctx.updateLoggers(config);
	
	final CommonParam cp = ParamManager.getCommonParam("cu", TIME_FRAME.MIN15, "20080101 000000", "20160101 170000");
	
	StrategyOptimizer so = new StrategyOptimizer(tester.RealStrategyTester.class);
	so.setInstrumentParam(cp.instrument, cp.tf);
	so.setTestDateRange((int) DateTimeHelper.Ldt2Long(cp.start_date), (int) DateTimeHelper.Ldt2Long(cp.end_date));
	int num = so.setStrategyParamRange(MABreakStrategy.class, new Integer[]{8, 800, 2}, MA.MA_MODES);
	System.out.println(num);
	so.StartOptimization();
	Set<Entry<Object[],Performances>> entryset = so.result_db.entrySet();
	for (Entry<Object[],Performances> entry : entryset) {
		for (Object obj : entry.getKey()) {
			System.out.print(obj + ",\t");
		}
		System.out.println("ProfitRatio: " + String.format("%.5f", entry.getValue().ProfitRatio) + "\tMaxDrawDown: " + entry.getValue().MaxDrawDown);
	}
}
 

import org.apache.logging.log4j.core.LoggerContext; //导入方法依赖的package包/类
public static void main(String[] args) {
	final LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
	final Configuration config = ctx.getConfiguration();
	config.getLoggerConfig(strategy.Portfolio.class.getName()).setLevel(Level.WARN);
	ctx.updateLoggers(config);
	
	final CommonParam cp = ParamManager.getCommonParam("m", TIME_FRAME.MIN60, "19980101 000000", "20160101 170000");
	
	StrategyOptimizer so = new StrategyOptimizer(tester.RealStrategyTester.class);
	so.setInstrumentParam(cp.instrument, cp.tf);
	so.setTestDateRange((int) DateTimeHelper.Ldt2Long(cp.start_date), (int) DateTimeHelper.Ldt2Long(cp.end_date));
	int num = so.setStrategyParamRange(DblMaPsarStrategy.class, new Integer[]{3, 5, 1}, new Integer[]{10, 100, 2}, MA.MA_MODES, new APPLIED_PRICE[] {APPLIED_PRICE.PRICE_CLOSE, APPLIED_PRICE.PRICE_TYPICAL}, new Float[]{0.01f, 0.02f, 0.01f}, new Float[]{0.12f, 0.2f, 0.02f});
	System.out.println(num);
	so.StartOptimization();
	Set<Entry<Object[],Performances>> entryset = so.result_db.entrySet();
	for (Entry<Object[],Performances> entry : entryset) {
		for (Object obj : entry.getKey()) {
			System.out.print(obj + ",\t");
		}
		System.out.println("ProfitRatio: " + String.format("%.5f", entry.getValue().ProfitRatio) + "\tMaxDrawDown: " + entry.getValue().MaxDrawDown);
	}
}
 

import org.apache.logging.log4j.core.LoggerContext; //导入方法依赖的package包/类
/**
 * Update the log configuration based on command line options
 * 
 * @param cl
 */
protected final void updateLogConfig(CommandLine cl) {
	String logFile = cl.getOptionValue(OPT_LOG_FILE.getLongOpt(), null);
	String logLevel = cl.getOptionValue(OPT_LOG_LEVEL.getLongOpt(), null);
	if (logFile != null || logLevel != null) {
		logFile = logFile != null ? logFile : getDefaultLogFileName();
		logLevel = logLevel != null ? logLevel : DEFAULT_LOG_LEVEL;
		LoggerContext context = (LoggerContext) LogManager.getContext(false);
	    Configuration configuration = context.getConfiguration();
	    FileAppender appender = FileAppender.newBuilder()
	    		.withName("File")
	    		.withFileName(logFile)
	    		.withLayout(PatternLayout.newBuilder().withPattern(PatternLayout.SIMPLE_CONVERSION_PATTERN).build())
	    		.withAppend(false)
	    		.build();
	    appender.start();
	    configuration.getRootLogger().addAppender(appender, Level.getLevel(logLevel), null);
	    configuration.getRootLogger().setLevel(Level.getLevel(logLevel));
	    context.updateLoggers();
	}
}
 

import org.apache.logging.log4j.core.LoggerContext; //导入方法依赖的package包/类
protected void configureLogging() {
    final LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
    final Configuration config = ctx.getConfiguration();
    Layout layout = PatternLayout.createLayout(PatternLayout.SIMPLE_CONVERSION_PATTERN, null, config, null, null,
            true, false, null, null);
    Appender appender = FileAppender.createAppender(workDir + "/logs/camel-standalone.log", "false", "false", "File", "true",
            "false", "false", "4000", layout, null, "false", null, config);
    appender.start();
    config.addAppender(appender);
    AppenderRef ref = AppenderRef.createAppenderRef("File", null, null);
    AppenderRef[] refs = new AppenderRef[] {ref};
    LoggerConfig loggerConfig = LoggerConfig.createLogger("false", Level.INFO, "StandaloneFileLoggerConfig",
            "true", refs, null, config, null );
    loggerConfig.addAppender(appender, null, null);
    config.addLogger("StandaloneFileLoggerConfig", loggerConfig);
    ctx.updateLoggers();
}
 

import org.apache.logging.log4j.core.LoggerContext; //导入方法依赖的package包/类
public static void bindLogger() {
    LoggerContext context = (LoggerContext) LogManager.getContext(false);
    Configuration config = context.getConfiguration();

    Map<String, ESLogger> loggers = Maps.newConcurrentHashMap();
    Appender appender = new AbstractAppender("", null, null) {
        @Override
        public void append(LogEvent event) {
            String name = event.getLoggerName();
            ESLogger logger = loggers.computeIfAbsent(name, key -> new ESLogger(key, null, (LoggerImpl) LoggerFactory.getLogger(key)));
            logger.log(event.getLevel(), event.getMarker(), event.getMessage(), event.getThrown());
        }
    };
    appender.start();
    config.addAppender(appender);

    LoggerConfig loggerConfig = new LoggerConfig("", Level.ALL, false);
    loggerConfig.addAppender(appender, null, null);
    config.addLogger("", loggerConfig);
    context.updateLoggers();
}
 

import org.apache.logging.log4j.core.LoggerContext; //导入方法依赖的package包/类
@Override
public void setLogLevel(String category, String level) {
  LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
  LoggerConfig loggerConfig = getLoggerConfig(ctx, category);
  if (loggerConfig != null) {
    boolean madeChanges = false;
    if (level == null || "unset".equals(level) || "null".equals(level)) {
      level = Level.OFF.toString();
      loggerConfig.setLevel(Level.OFF);
      madeChanges = true;
    } else {
      try {
        loggerConfig.setLevel(Level.valueOf(level));
        madeChanges = true;
      } catch (IllegalArgumentException iae) {
        watcherLog.error(level+" is not a valid log level! Valid values are: "+getAllLevels());
      }
    }
    if (madeChanges) {
      ctx.updateLoggers();
      watcherLog.info("Set log level to '" + level + "' for category: " + category);
    }
  } else {
    watcherLog.warn("Cannot set level to '" + level + "' for category: " + category + "; no LoggerConfig found!");
  }
}
 

import org.apache.logging.log4j.core.LoggerContext; //导入方法依赖的package包/类
private static Logger configureLog4j() {
    LoggerContext context = (LoggerContext) LogManager.getContext();
    Configuration config = context.getConfiguration();

    PatternLayout layout = PatternLayout.createLayout("%m%n", null, null, Charset.defaultCharset(), false, false, null, null);
    Appender appender = ConsoleAppender.createAppender(layout, null, null, "CONSOLE_APPENDER", null, null);
    appender.start();
    AppenderRef ref = AppenderRef.createAppenderRef("CONSOLE_APPENDER", null, null);
    AppenderRef[] refs = new AppenderRef[]{ref};
    LoggerConfig loggerConfig = LoggerConfig.createLogger("false", Level.INFO, "CONSOLE_LOGGER", "com", refs, null, null, null);
    loggerConfig.addAppender(appender, null, null);

    config.addAppender(appender);
    config.addLogger("Main.class", loggerConfig);
    context.updateLoggers(config);
    return LogManager.getContext().getLogger("Main.class");
}
 

import org.apache.logging.log4j.core.LoggerContext; //导入方法依赖的package包/类
public static void main(String[] args) throws UnRetriableException {


        LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
        AbstractConfiguration config = (AbstractConfiguration) ctx.getConfiguration();
        ConsoleAppender appender = ConsoleAppender.createDefaultAppenderForLayout(PatternLayout.createDefaultLayout());
        appender.start();
        config.addAppender(appender);
        AppenderRef[] refs = new AppenderRef[] { AppenderRef.createAppenderRef(appender.getName(), null, null) };
        LoggerConfig loggerConfig = LoggerConfig.createLogger("false", Level.WARN, LogManager.ROOT_LOGGER_NAME, "true", refs, null, config, null);
        loggerConfig.addAppender(appender, null, null);
        config.addLogger(LogManager.ROOT_LOGGER_NAME, loggerConfig);
        ctx.updateLoggers();


        Runner runner = defaultRunner();
        runner.init();
        runner.start();

    }