Java Configuration类代码示例

import org.apache.logging.log4j.core.config.Configuration; //导入依赖的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.config.Configuration; //导入依赖的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.config.Configuration; //导入依赖的package包/类
/**
 * Creates the layout.
 *
 * @param locationInfo the location info
 * @param singleLine the single line
 * @param htmlSafe the html safe
 * @param plainContextMap the plain context map
 * @param charset the charset
 * @param userFields the user fields
 * @return the JSON log 4 j 2 layout
 */
@PluginFactory
public static JSONLog4j2Layout createLayout(
	// @formatter:off
		@PluginConfiguration final Configuration config,
		@PluginAttribute("locationInfo") boolean locationInfo,
		@PluginAttribute("singleLine") boolean singleLine,
		@PluginAttribute("htmlSafe") boolean htmlSafe,
		@PluginAttribute("plainContextMap") boolean plainContextMap, 
		@PluginAttribute("charset") Charset charset,
		@PluginElement("UserFields") final UserField[] userFields
	// @formatter:on
	) {
	
	if(charset == null){
		charset = Charset.forName("UTF-8");
	}
	
	LOGGER.debug("Creating JSONLog4j2Layout {}",charset);
    return new JSONLog4j2Layout(locationInfo, singleLine, htmlSafe, plainContextMap, userFields, charset);
}
 

import org.apache.logging.log4j.core.config.Configuration; //导入依赖的package包/类
private Configuration createConfiguration(final String name, ConfigurationBuilder<BuiltConfiguration> builder) {

        builder.setConfigurationName(name);
        /* Only internal Log4J2 messages with level ERROR will be logged */
        builder.setStatusLevel(Level.ERROR);
        /* Create appender that logs to System.out */
        AppenderComponentBuilder appenderBuilder = builder.newAppender("STDOUT", "CONSOLE")
                .addAttribute("target", ConsoleAppender.Target.SYSTEM_OUT);
        /* Create pattern for log messages */
        appenderBuilder.add(builder.newLayout("PatternLayout")
                .addAttribute("pattern", "[%d{HH:mm:ss}] (%c{1}) [%level] %msg%n%throwable"));
                                         /*timestamp  logger name  level   log message & optional throwable */
        builder.add(appenderBuilder);
        /* Create logger that uses STDOUT appender */
        builder.add(builder.newLogger("JukeBot", JUKEBOT_LOG_LEVEL)
                .add(builder.newAppenderRef("STDOUT"))
                .addAttribute("additivity", false));

        /* Create root logger--messages not from the above logger will all go through this one */
        builder.add(builder.newRootLogger(LIB_LOG_LEVEL).add(builder.newAppenderRef("STDOUT")));
        return builder.build();
    }
 

import org.apache.logging.log4j.core.config.Configuration; //导入依赖的package包/类
protected ExtendedJsonLayout(final Configuration config, final boolean locationInfo, final boolean properties,
          final boolean encodeThreadContextAsList,
          final boolean complete, final boolean compact, final boolean eventEol, final String headerPattern,
          final String footerPattern, final Charset charset, final boolean includeStacktrace, final String jsonExtenderClass) {
      super(config, getObjectWriter(encodeThreadContextAsList, includeStacktrace, locationInfo, properties, compact),
              charset, compact, complete, eventEol,
              PatternLayout.newSerializerBuilder().setConfiguration(config).setPattern(headerPattern).setDefaultPattern(DEFAULT_HEADER).build(),
              PatternLayout.newSerializerBuilder().setConfiguration(config).setPattern(footerPattern).setDefaultPattern(DEFAULT_FOOTER).build());
      
      Class<?> clazz;
      Object jsonAdapterobject = null;
try {
	clazz = Class.forName(jsonExtenderClass);
       Constructor<?> ctor = clazz.getConstructor();
       jsonAdapterobject = ctor.newInstance(new Object[] {});
} catch (Exception e) {
	e.printStackTrace();
}
      
      this.jsonAdapter = (ExtendedJson) jsonAdapterobject;
  }
 

import org.apache.logging.log4j.core.config.Configuration; //导入依赖的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.config.Configuration; //导入依赖的package包/类
public static boolean hasLoggerFilter(final Configuration config) {
  for (LoggerConfig loggerConfig : config.getLoggers().values()) {
    boolean isRoot = loggerConfig.getName().equals("");
    boolean isGemFire = loggerConfig.getName().startsWith(LogService.BASE_LOGGER_NAME);
    boolean hasFilter = loggerConfig.hasFilter();
    boolean isGemFireVerboseFilter =
        hasFilter && (LogService.GEODE_VERBOSE_FILTER.equals(loggerConfig.getFilter().toString())
            || LogService.GEMFIRE_VERBOSE_FILTER.equals(loggerConfig.getFilter().toString()));

    if (isRoot || isGemFire) {
      // check for Logger Filter
      if (hasFilter && !isGemFireVerboseFilter) {
        return true;
      }
    }
  }
  return false;
}
 

import org.apache.logging.log4j.core.config.Configuration; //导入依赖的package包/类
public static boolean hasAppenderRefFilter(final Configuration config) {
  for (LoggerConfig loggerConfig : config.getLoggers().values()) {
    boolean isRoot = loggerConfig.getName().equals("");
    boolean isGemFire = loggerConfig.getName().startsWith(LogService.BASE_LOGGER_NAME);

    if (isRoot || isGemFire) {
      // check for AppenderRef Filter
      for (AppenderRef appenderRef : loggerConfig.getAppenderRefs()) {
        if (appenderRef.getFilter() != null) {
          return true;
        }
      }
    }
  }
  return false;
}
 

import org.apache.logging.log4j.core.config.Configuration; //导入依赖的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.config.Configuration; //导入依赖的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.config.Configuration; //导入依赖的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.config.Configuration; //导入依赖的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.config.Configuration; //导入依赖的package包/类
private void checkLogEvent(Configuration config, LogEvent logEvent, String lookupTestKey, String lookupTestVal) throws IOException {
    Set<String> mdcKeys = logEvent.getContextData().toMap().keySet();
    String firstMdcKey = mdcKeys.iterator().next();
    String firstMdcKeyExcludingRegex = mdcKeys.isEmpty() ? null : String.format("^(?!%s).*$", Pattern.quote(firstMdcKey));
    List<String> ndcItems = logEvent.getContextStack().asList();
    String firstNdcItem = ndcItems.get(0);
    String firstNdcItemExcludingRegex = ndcItems.isEmpty() ? null : String.format("^(?!%s).*$", Pattern.quote(firstNdcItem));
    LogstashLayout layout = LogstashLayout
            .newBuilder()
            .setConfiguration(config)
            .setTemplateUri("classpath:LogstashTestLayout.json")
            .setStackTraceEnabled(true)
            .setLocationInfoEnabled(true)
            .setMdcKeyPattern(firstMdcKeyExcludingRegex)
            .setNdcPattern(firstNdcItemExcludingRegex)
            .build();
    String serializedLogEvent = layout.toSerializable(logEvent);
    JsonNode rootNode = OBJECT_MAPPER.readTree(serializedLogEvent);
    checkConstants(rootNode);
    checkBasicFields(logEvent, rootNode);
    checkSource(logEvent, rootNode);
    checkException(logEvent, rootNode);
    checkContextData(logEvent, firstMdcKeyExcludingRegex, rootNode);
    checkContextStack(logEvent, firstNdcItemExcludingRegex, rootNode);
    checkLookupTest(lookupTestKey, lookupTestVal, rootNode);
}
 

import org.apache.logging.log4j.core.config.Configuration; //导入依赖的package包/类
@Test
public void deliversToAppenderRef() {

    // given
    Appender appender = mock(Appender.class);
    when(appender.isStarted()).thenReturn(true);
    Configuration configuration = mock(Configuration.class);
    String testAppenderRef = "testAppenderRef";
    when(configuration.getAppender(testAppenderRef)).thenReturn(appender);

    FailoverPolicy<String> failoverPolicy = createTestFailoverPolicy(testAppenderRef, configuration);

    String failedMessage = "test failed message";

    // when
    failoverPolicy.deliver(failedMessage);

    // then
    verify(appender, times(1)).append(any(LogEvent.class));
}
 

import org.apache.logging.log4j.core.config.Configuration; //导入依赖的package包/类
@Test
public void resolvesAppenderRefOnlyOnce() {

    // given
    Appender appender = mock(Appender.class);
    when(appender.isStarted()).thenReturn(true);
    Configuration configuration = mock(Configuration.class);
    String testAppenderRef = "testAppenderRef";
    when(configuration.getAppender(testAppenderRef)).thenReturn(appender);

    FailoverPolicy<String> failoverPolicy = createTestFailoverPolicy(testAppenderRef, configuration);

    String failedMessage = "test failed message";

    // when
    failoverPolicy.deliver(failedMessage);
    failoverPolicy.deliver(failedMessage);

    // then
    verify(configuration, times(1)).getAppender(anyString());
    verify(appender, times(2)).append(any(LogEvent.class));
}