org.apache.logging.log4j.core.Logger.addAppender()方法的使用及代码示例

x33g5p2x  于2022-01-23 转载在 其他  
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本文整理了Java中org.apache.logging.log4j.core.Logger.addAppender()方法的一些代码示例，展示了Logger.addAppender()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Logger.addAppender()方法的具体详情如下：
包路径：org.apache.logging.log4j.core.Logger
类名称：Logger
方法名：addAppender

Logger.addAppender介绍

[英]This method is not exposed through the public API and is used primarily for unit testing.
[中]此方法不通过公共API公开，主要用于单元测试。

代码示例

代码示例来源：origin: alibaba/nacos

protected void activateAppender(org.apache.logging.log4j.core.Logger logger) {
  removeAllAppenders(this.logger);
  Map<String, Appender> appenders = null;
  if ((appenders = logger.getAppenders()) != null) {
    for (Appender appender : appenders.values()) {
      this.logger.addAppender(appender);
    }
  }
}

代码示例来源：origin: org.apache.logging.log4j/log4j-core

protected void initRootLogger(final Appender appender) {
  root.addAppender(appender);
  root.setAdditive(false);
  root.setLevel(Level.DEBUG);
}

代码示例来源：origin: alibaba/nacos

@Override
public void activateConsoleAppender(String target, String encoding) {
  org.apache.logging.log4j.core.Layout layout = org.apache.logging.log4j.core.layout.PatternLayout.newBuilder().
    withConfiguration(configuration)
    .withPattern(LoggerHelper.getPattern())
    .withCharset(Charset.forName(encoding))
    .build();
  org.apache.logging.log4j.core.appender.ConsoleAppender appender = ConsoleAppender.createAppender(layout, null,
    ConsoleAppender.Target.valueOf(target.toUpperCase().replace(".", "_")), "LoggerApiConsoleAppender", false,
    false, true);
  appender.start();
  removeAllAppenders(logger);
  logger.addAppender(appender);
  setProductName(productName);
}

代码示例来源：origin: alibaba/nacos

@Override
public void activateAsync(List<Object[]> args) {
  Map<String, Appender> appenders = logger.getAppenders();
  if (appenders == null) {
    throw new IllegalStateException("Activate async appender failed, no appender exist.");
  }
  AppenderRef[] refs = new AppenderRef[appenders.size()];
  int i = 0;
  for (Appender appender : appenders.values()) {
    configuration.addAppender(appender);
    refs[i++] = AppenderRef.createAppenderRef(appender.getName(), null, null);
  }
  AsyncAppender.Builder builder = AsyncAppender.newBuilder()
    .setName(productName + "." + logger.getName() + ".AsyncAppender")
    .setConfiguration(configuration)
    .setAppenderRefs(refs)
    .setBlockingQueueFactory(ArrayBlockingQueueFactory.<LogEvent>createFactory());
  invokeMethod(builder, args);
  AsyncAppender asyncAppender = builder.build();
  asyncAppender.start();
  removeAllAppenders(logger);
  logger.addAppender(asyncAppender);
  setProductName(productName);
}

代码示例来源：origin: apache/incubator-druid

@BeforeClass
public static void setUpStatic()
{
 appender = OutputStreamAppender
   .newBuilder()
   .setName("test stream")
   .setTarget(baos)
   .setLayout(JsonLayout.createLayout(false, true, false, true, true, StandardCharsets.UTF_8))
   .build();
 final Logger logger = (Logger)
   LogManager.getLogger(LoggingRequestLogger.class);
 appender.start();
 logger.addAppender(appender);
}

代码示例来源：origin: alibaba/nacos

@Override
public void activateAppenderWithSizeRolling(String productName, String file, String encoding, String size,
                      int maxBackupIndex) {
  org.apache.logging.log4j.core.appender.RollingFileAppender appender = RollingFileAppender.newBuilder()
    .withName(productName + "." + file.replace(File.separatorChar, '.') + ".Appender")
    .withFileName(LoggerHelper.getLogFileP(productName, file))
    .withAppend(true)
    .withBufferedIo(true)
    .setConfiguration(configuration)
    .withFilePattern(LoggerHelper.getLogFile(productName, file) + ".%i")
    .withLayout(buildLayout(encoding))
    .withCreateOnDemand(false)
    .withPolicy(SizeBasedTriggeringPolicy.createPolicy(size))
    .withStrategy(DefaultRolloverStrategy
      .createStrategy(String.valueOf(maxBackupIndex), "1", "max", null, null, false, configuration))
    .build();
  appender.start();
  removeAllAppenders(logger);
  logger.addAppender(appender);
  setProductName(productName);
}

代码示例来源：origin: org.apache.logging.log4j/log4j-core

root.addAppender(appender);
root.setLevel(Level.DEBUG);

代码示例来源：origin: alibaba/nacos

@Override
public void activateAppenderWithTimeAndSizeRolling(String productName, String file, String encoding, String size,
                          String datePattern, int maxBackupIndex) {
  org.apache.logging.log4j.core.appender.RollingFileAppender appender = RollingFileAppender.newBuilder()
    .withName(productName + "." + file.replace(File.separatorChar, '.') + ".Appender")
    .withFileName(LoggerHelper.getLogFileP(productName, file))
    .withAppend(true)
    .withBufferedIo(true)
    .setConfiguration(configuration)
    .withFilePattern(LoggerHelper.getLogFile(productName, file) + ".%d{" + datePattern + "}.%i")
    .withLayout(buildLayout(encoding))
    .withCreateOnDemand(false)
    .withPolicy(CompositeTriggeringPolicy.createPolicy(TimeBasedTriggeringPolicy.createPolicy("1", "true"),
      SizeBasedTriggeringPolicy.createPolicy(size)))
    .withStrategy(DefaultRolloverStrategy
      .createStrategy(String.valueOf(maxBackupIndex), "1", "max", null, null, false, configuration))
    .build();
  appender.start();
  removeAllAppenders(logger);
  logger.addAppender(appender);
  setProductName(productName);
}

代码示例来源：origin: org.apache.logging.log4j/log4j-core

@Test
public void testSubstituteStructuredData() {
  final String mdcId = "RequestContext";
  final String expectedToContain = String.format("ATM %s MSG-ID - Message", PROCESSID);
  for (final Appender appender : root.getAppenders().values()) {
    root.removeAppender(appender);
  }
  final AbstractStringLayout layout = Rfc5424Layout.createLayout(Facility.LOCAL0, "Event", 3692, false, mdcId,
      null, null, true, null, "ATM", "MSG-ID", "key1, key2, locale", null, null, null, false, null, null);
  final ListAppender appender = new ListAppender("List", null, layout, true, false);
  appender.start();
  root.addAppender(appender);
  root.setLevel(Level.DEBUG);
  root.info("Message");
  try {
    final List<String> list = appender.getMessages();
    assertTrue("Not enough list entries", list.size() > 0);
    final String message =  list.get(0);
    Assert.assertTrue("Not the expected message received", message.contains(expectedToContain));
    appender.clear();
  } finally {
    root.removeAppender(appender);
    appender.stop();
  }
}

代码示例来源：origin: org.apache.logging.log4j/log4j-core

@Test
  public void testParameterizedMessage() {
    for (final Appender appender : root.getAppenders().values()) {
      root.removeAppender(appender);
    }
    // set up appender
    final AbstractStringLayout layout = Rfc5424Layout.createLayout(Facility.LOCAL0, "Event", 3692, true, "RequestContext",
      null, null, true, null, "ATM", null, "key1, key2, locale", null, null, null, true, null, null);
    final ListAppender appender = new ListAppender("List", null, layout, true, false);

    appender.start();

    // set appender on root and set level to debug
    root.addAppender(appender);
    root.setLevel(Level.DEBUG);
    root.info("Hello {}", "World");
    try {
      final List<String> list = appender.getMessages();
      assertTrue("Not enough list entries", list.size() > 0);
      final String message =  list.get(0);
      assertTrue("Incorrect message. Expected - Hello World, Actual - " + message, message.contains("Hello World"));
    } finally {
      root.removeAppender(appender);
      appender.stop();
    }
  }
}

代码示例来源：origin: org.apache.logging.log4j/log4j-core

/**
 * Test case for MDC exception conversion pattern.
 */
@Test
public void testException() throws Exception {
  for (final Appender appender : root.getAppenders().values()) {
    root.removeAppender(appender);
  }
  // set up layout/appender
  final AbstractStringLayout layout = Rfc5424Layout.createLayout(Facility.LOCAL0, "Event", 3692, true, "RequestContext",
    null, null, true, null, "ATM", null, "key1, key2, locale", null, "loginId", "%xEx", true, null, null);
  final ListAppender appender = new ListAppender("List", null, layout, true, false);
  appender.start();
  // set appender on root and set level to debug
  root.addAppender(appender);
  root.setLevel(Level.DEBUG);
  ThreadContext.put("loginId", "JohnDoe");
  // output starting message
  root.debug("starting mdc pattern test", new IllegalArgumentException("Test"));
  try {
    final List<String> list = appender.getMessages();
    assertTrue("Not enough list entries", list.size() > 1);
    final String string = list.get(1);
       assertTrue("No Exception in " + string, string.contains("IllegalArgumentException"));
    appender.clear();
  } finally {
    root.removeAppender(appender);
    appender.stop();
  }
}

代码示例来源：origin: alibaba/nacos

@Override
public void activateAppender(String productName, String file, String encoding) {
  org.apache.logging.log4j.core.appender.RollingFileAppender appender = RollingFileAppender.newBuilder()
    .withName(productName + "." + file.replace(File.separatorChar, '.') + ".Appender")
    .withFileName(LoggerHelper.getLogFileP(productName, file))
    .withAppend(true)
    .withBufferedIo(true)
    .setConfiguration(configuration)
    .withFilePattern(LoggerHelper.getLogFile(productName, file) + ".%d{yyyy-MM-dd}")
    .withLayout(buildLayout(encoding))
    .withCreateOnDemand(false)
    .withPolicy(TimeBasedTriggeringPolicy.createPolicy("1", "true"))
    .withStrategy(DefaultRolloverStrategy.createStrategy(null, null, "nomax", null, null, false, configuration))
    .build();
  appender.start();
  removeAllAppenders(logger);
  logger.addAppender(appender);
  setProductName(productName);
}

代码示例来源：origin: alibaba/nacos

@Override
public void activateAppenderWithTimeAndSizeRolling(String productName, String file, String encoding, String size,
                          String datePattern) {
  org.apache.logging.log4j.core.appender.RollingFileAppender appender = RollingFileAppender.newBuilder()
    .withName(productName + "." + file.replace(File.separatorChar, '.') + ".Appender")
    .withFileName(LoggerHelper.getLogFileP(productName, file))
    .withAppend(true)
    .withBufferedIo(true)
    .setConfiguration(configuration)
    .withFilePattern(LoggerHelper.getLogFile(productName, file) + ".%d{" + datePattern + "}")
    .withLayout(buildLayout(encoding))
    .withCreateOnDemand(false)
    .withPolicy(CompositeTriggeringPolicy.createPolicy(TimeBasedTriggeringPolicy.createPolicy("1", "true"),
      SizeBasedTriggeringPolicy.createPolicy(size)))
    .withStrategy(DefaultRolloverStrategy.createStrategy(null, null, "nomax", null, null, false, configuration))
    .build();
  appender.start();
  removeAllAppenders(logger);
  logger.addAppender(appender);
  setProductName(productName);
}

代码示例来源：origin: org.apache.logging.log4j/log4j-core

this.rootLogger.addAppender(appender);
this.rootLogger.setLevel(Level.DEBUG);
this.checkContains("loggerFqcn: \"" + AbstractLogger.class.getName() + "\"", list);
for (final Appender app : appenders.values()) {
  this.rootLogger.addAppender(app);

代码示例来源：origin: org.apache.logging.log4j/log4j-core

appender.start();
root.addAppender(appender);
root.setLevel(Level.DEBUG);

代码示例来源：origin: org.apache.logging.log4j/log4j-core

this.rootLogger.addAppender(appender);
this.rootLogger.setLevel(Level.DEBUG);
this.checkContains("message: \"starting mdc pattern test\"", list);
for (final Appender app : appenders.values()) {
  this.rootLogger.addAppender(app);

代码示例来源：origin: org.apache.logging.log4j/log4j-core

root.addAppender(appender);
root.setLevel(Level.DEBUG);

代码示例来源：origin: org.apache.logging.log4j/log4j-core

@Test
public void testUdpAppender() throws Exception {
  try {
    udpServer.latch.await();
  } catch (final InterruptedException ex) {
    ex.printStackTrace();
  }
  // @formatter:off
  final SocketAppender appender = SocketAppender.newBuilder()
      .withProtocol(Protocol.UDP)
      .withPort(tcpServer.getLocalPort())
      .withReconnectDelayMillis(-1)
      .withName("test")
      .withImmediateFail(false)
      .withLayout(JsonLayout.newBuilder().setProperties(true).build())
      .build();
  // @formatter:on
  appender.start();
  // set appender on root and set level to debug
  logger.addAppender(appender);
  logger.setAdditive(false);
  logger.setLevel(Level.DEBUG);
  logger.debug("This is a udp message");
  final LogEvent event = udpServer.getQueue().poll(3, TimeUnit.SECONDS);
  assertNotNull("No event retrieved", event);
  assertTrue("Incorrect event", event.getMessage().getFormattedMessage().equals("This is a udp message"));
  assertTrue("Message not delivered via UDP", udpServer.getCount() > 0);
}

代码示例来源：origin: org.apache.logging.log4j/log4j-core

@Test
public void testTcpAppenderDeadlock() throws Exception {
  // @formatter:off
  final SocketAppender appender = SocketAppender.newBuilder()
      .withHost("localhost")
      .withPort(DYN_PORT)
      .withReconnectDelayMillis(100)
      .withName("test")
      .withImmediateFail(false)
      .withLayout(JsonLayout.newBuilder().setProperties(true).build())
      .build();
  // @formatter:on
  appender.start();
  // set appender on root and set level to debug
  logger.addAppender(appender);
  logger.setAdditive(false);
  logger.setLevel(Level.DEBUG);
  final TcpSocketTestServer tcpSocketServer = new TcpSocketTestServer(DYN_PORT);
  try {
    tcpSocketServer.start();
    logger.debug("This message is written because a deadlock never.");
    final LogEvent event = tcpSocketServer.getQueue().poll(3, TimeUnit.SECONDS);
    assertNotNull("No event retrieved", event);
  } finally {
    tcpSocketServer.shutdown();
  }
}

代码示例来源：origin: org.apache.logging.log4j/log4j-core

@Test
public void testTcpAppenderNoWait() throws Exception {
  // @formatter:off
  final SocketAppender appender = SocketAppender.newBuilder()
      .withHost("localhost")
      .withPort(ERROR_PORT)
      .withReconnectDelayMillis(100)
      .withName("test")
      .withImmediateFail(false)
      .withIgnoreExceptions(false)
      .withLayout(JsonLayout.newBuilder().setProperties(true).build())
      .build();
  // @formatter:on
  appender.start();
  // set appender on root and set level to debug
  logger.addAppender(appender);
  logger.setAdditive(false);
  logger.setLevel(Level.DEBUG);
  try {
    logger.debug("This message is written because a deadlock never.");
    fail("No Exception was thrown");
  } catch (final Exception ex) {
    // TODO: move exception to @Test(expect = Exception.class)
    // Failure is expected.
    // ex.printStackTrace();
  }
}

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