本文整理了Java中org.slf4j.Logger.isWarnEnabled()方法的一些代码示例，展示了Logger.isWarnEnabled()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.isWarnEnabled()方法的具体详情如下：
包路径：org.slf4j.Logger
类名称：Logger
方法名：isWarnEnabled

Logger.isWarnEnabled介绍

[英]Is the logger instance enabled for the WARN level?
[中]记录器实例是否已启用警告级别？

代码示例

代码示例来源：origin: spring-projects/spring-framework

public void warn(Object message) {
  if (message instanceof String || this.logger.isWarnEnabled()) {
    this.logger.warn(String.valueOf(message));
  }
}

代码示例来源：origin: wildfly/wildfly

private boolean infoOrHigherEnabled(final Level level) {
  if (level == Level.INFO) {
    return logger.isInfoEnabled();
  } else if (level == Level.WARN) {
    return logger.isWarnEnabled();
  } else if (level == Level.ERROR || level == Level.FATAL) {
    return logger.isErrorEnabled();
  }
  return true;
}

代码示例来源：origin: oblac/jodd

@Override
public boolean isEnabled(final Level level) {
  switch (level) {
    case TRACE: return logger.isTraceEnabled();
    case DEBUG: return logger.isDebugEnabled();
    case INFO: return logger.isInfoEnabled();
    case WARN: return logger.isWarnEnabled();
    case ERROR: return logger.isErrorEnabled();
    default:
      throw new IllegalArgumentException();
  }
}

代码示例来源：origin: plutext/docx4j

result = xPath.evaluate(xpathString, doc );
if (result.equals("") && log.isWarnEnabled()) {
    log.warn("No match for " + xpathString + " so result is empty string");
  } else {
    log.debug(xpathString + " ---> '" + result + "'");
  log.debug(xpathString + " ---> '" + result + "'");

代码示例来源：origin: apache/flink

@Override
public void close() throws IOException {
  if (this.invalidLineCount > 0) {
    if (LOG.isWarnEnabled()) {
      LOG.warn("In file \"" + currentSplit.getPath() + "\" (split start: " + this.splitStart + ") " + this.invalidLineCount +" invalid line(s) were skipped.");
    }
  }
  if (this.commentCount > 0) {
    if (LOG.isInfoEnabled()) {
      LOG.info("In file \"" + currentSplit.getPath() + "\" (split start: " + this.splitStart + ") " + this.commentCount +" comment line(s) were skipped.");
    }
  }
  super.close();
}

代码示例来源：origin: apache/flink

@Override
public BaseStatistics getStatistics(BaseStatistics cachedStats) throws IOException {
  // only gather base statistics for FileInputFormats
  if (!(mapredInputFormat instanceof FileInputFormat)) {
    return null;
  }
  final FileBaseStatistics cachedFileStats = (cachedStats instanceof FileBaseStatistics) ?
      (FileBaseStatistics) cachedStats : null;
  try {
    final org.apache.hadoop.fs.Path[] paths = FileInputFormat.getInputPaths(this.jobConf);
    return getFileStats(cachedFileStats, paths, new ArrayList<FileStatus>(1));
  } catch (IOException ioex) {
    if (LOG.isWarnEnabled()) {
      LOG.warn("Could not determine statistics due to an io error: "
          + ioex.getMessage());
    }
  } catch (Throwable t) {
    if (LOG.isErrorEnabled()) {
      LOG.error("Unexpected problem while getting the file statistics: "
          + t.getMessage(), t);
    }
  }
  // no statistics available
  return null;
}

代码示例来源：origin: apache/hive

LOG.debug("Materialized view " + materializedViewTable.getFullyQualifiedName() +
   " ignored for rewriting as its contents are outdated");
 continue;
if (LOG.isDebugEnabled()) {
 LOG.debug("Materialized view " + materializedViewTable.getFullyQualifiedName() +
   " was not in the cache");
if (LOG.isWarnEnabled()) {
 LOG.info("Materialized view " + materializedViewTable.getFullyQualifiedName() + " was skipped "
   + "because cache has not been loaded yet");

代码示例来源：origin: org.slf4j/log4j-over-slf4j

/**
 * Return the level in effect for this category/logger.
 *
 * <p>
 * The result is computed by simulation.
 *
 * @return
 */
public Level getEffectiveLevel() {
  if (slf4jLogger.isTraceEnabled()) {
    return Level.TRACE;
  }
  if (slf4jLogger.isDebugEnabled()) {
    return Level.DEBUG;
  }
  if (slf4jLogger.isInfoEnabled()) {
    return Level.INFO;
  }
  if (slf4jLogger.isWarnEnabled()) {
    return Level.WARN;
  }
  return Level.ERROR;
}

代码示例来源：origin: org.apache.hadoop/hadoop-common

@Override
public boolean isEnabled(int level) {
 switch (level) {
 case com.jcraft.jsch.Logger.DEBUG:
  return LOG.isDebugEnabled();
 case com.jcraft.jsch.Logger.INFO:
  return LOG.isInfoEnabled();
 case com.jcraft.jsch.Logger.WARN:
  return LOG.isWarnEnabled();
 case com.jcraft.jsch.Logger.ERROR:
 case com.jcraft.jsch.Logger.FATAL:
  return LOG.isErrorEnabled();
 default:
  return false;
 }
}

代码示例来源：origin: spring-projects/spring-framework

public void warn(Object message, Throwable exception) {
  if (message instanceof String || this.logger.isWarnEnabled()) {
    this.logger.warn(String.valueOf(message), exception);
  }
}

代码示例来源：origin: apache/shiro

"error? (Typical or expected login exceptions should extend from AuthenticationException).";
    ae = new AuthenticationException(msg, t);
    if (log.isWarnEnabled())
      log.warn(msg, t);
    if (log.isWarnEnabled()) {
      String msg = "Unable to send notification for failed authentication attempt - listener error?.  " +
          "Please check your AuthenticationListener implementation(s).  Logging sending exception " +
          "and propagating original AuthenticationException instead...";
      log.warn(msg, t2);
log.debug("Authentication successful for token [{}].  Returned account [{}]", token, info);

代码示例来源：origin: networknt/light-4j

private void reconnectService() {
    Collection<URL> allRegisteredServices = getRegisteredServiceUrls();
    if (allRegisteredServices != null && !allRegisteredServices.isEmpty()) {
      try {
        serverLock.lock();
        for (URL url : getRegisteredServiceUrls()) {
          doRegister(url);
        }
        if(logger.isInfoEnabled()) logger.info("[{}] reconnect: register services {}", registryClassName, allRegisteredServices);

        for (URL url : availableServices) {
          if (!getRegisteredServiceUrls().contains(url)) {
            if(logger.isWarnEnabled()) logger.warn("reconnect url not register. url:{}", url);
            continue;
          }
          doAvailable(url);
        }
        if(logger.isInfoEnabled()) logger.info("[{}] reconnect: available services {}", registryClassName, availableServices);
      } finally {
        serverLock.unlock();
      }
    }
  }
}

代码示例来源：origin: apache/flink

@Override
public BaseStatistics getStatistics(BaseStatistics cachedStats) throws IOException {
  // only gather base statistics for FileInputFormats
  if (!(mapreduceInputFormat instanceof FileInputFormat)) {
    return null;
  }
  JobContext jobContext = new JobContextImpl(configuration, null);
  final FileBaseStatistics cachedFileStats = (cachedStats instanceof FileBaseStatistics) ?
      (FileBaseStatistics) cachedStats : null;
  try {
    final org.apache.hadoop.fs.Path[] paths = FileInputFormat.getInputPaths(jobContext);
    return getFileStats(cachedFileStats, paths, new ArrayList<FileStatus>(1));
  } catch (IOException ioex) {
    if (LOG.isWarnEnabled()) {
      LOG.warn("Could not determine statistics due to an io error: "
          + ioex.getMessage());
    }
  } catch (Throwable t) {
    if (LOG.isErrorEnabled()) {
      LOG.error("Unexpected problem while getting the file statistics: "
          + t.getMessage(), t);
    }
  }
  // no statistics available
  return null;
}

代码示例来源：origin: apache/incubator-gobblin

@Override
public boolean isEnabled(int level) {
 switch (level) {
  case DEBUG:
   return log.isDebugEnabled();
  case INFO:
   return log.isInfoEnabled();
  case WARN:
   return log.isWarnEnabled();
  case ERROR:
   return log.isErrorEnabled();
  case FATAL:
   return log.isErrorEnabled();
  default:
   return false;
 }
}

代码示例来源：origin: apache/storm

private static void joinThread(Thread t) {
  while (t.isAlive()) {
    try {
      t.join();
    } catch (InterruptedException ie) {
      if (LOG.isWarnEnabled()) {
        LOG.warn("Interrupted while joining on: " + t, ie);
      }
      t.interrupt(); // propagate interrupt
    }
  }
}

代码示例来源：origin: plutext/docx4j

= (CustomXmlDataStoragePart)customXmlParts.get(itemId);
if (customXmlDataStoragePart==null) {
  log.warn("Couldn't find CustomXmlDataStoragePart referenced from sdt bound with  " + itemId);			
} else {
  log.debug("Using " + itemId);
  if(log.isWarnEnabled()) {
    log.warn("Couldn't find CustomXmlDataStoragePart referenced from " + XmlUtils.marshaltoString(element));
    log.debug("Using " + element.getSdtPr().getDataBinding().getStoreItemID());
    customXmlDataStoragePart = (CustomXmlDataStoragePart)customXmlParts.get(itemId);
    log.warn("TODO: support StandardisedAnswersPart");
    return;

代码示例来源：origin: apache/flink

if (Optimizer.LOG.isWarnEnabled()) {
  Optimizer.LOG.warn("Could not instantiate InputFormat to obtain statistics."
    + " Limited statistics will be available.", t);
if (Optimizer.LOG.isWarnEnabled()) {
  Optimizer.LOG.warn("Error obtaining statistics from input format: " + t.getMessage(), t);
final long len = bs.getTotalInputSize();
if (len == BaseStatistics.SIZE_UNKNOWN) {
  if (Optimizer.LOG.isInfoEnabled()) {
    Optimizer.LOG.info("Compiler could not determine the size of input '" + inFormatDescription + "'. Using default estimates.");

代码示例来源：origin: apache/flink

/**
 * Obtains basic file statistics containing only file size. If the input is a directory, then the size is the sum of all contained files.
 * 
 * @see org.apache.flink.api.common.io.InputFormat#getStatistics(org.apache.flink.api.common.io.statistics.BaseStatistics)
 */
@Override
public FileBaseStatistics getStatistics(BaseStatistics cachedStats) throws IOException {
  
  final FileBaseStatistics cachedFileStats = cachedStats instanceof FileBaseStatistics ?
    (FileBaseStatistics) cachedStats : null;
      
  try {
    return getFileStats(cachedFileStats, getFilePaths(), new ArrayList<>(getFilePaths().length));
  } catch (IOException ioex) {
    if (LOG.isWarnEnabled()) {
      LOG.warn("Could not determine statistics for paths '" + Arrays.toString(getFilePaths()) + "' due to an io error: "
          + ioex.getMessage());
    }
  }
  catch (Throwable t) {
    if (LOG.isErrorEnabled()) {
      LOG.error("Unexpected problem while getting the file statistics for paths '" + Arrays.toString(getFilePaths()) + "': "
          + t.getMessage(), t);
    }
  }
  
  // no statistics available
  return null;
}

代码示例来源：origin: kiegroup/optaplanner

private String resolveLoggingLevel(String loggerName) {
  Logger logger = LoggerFactory.getLogger(loggerName);
  if (logger.isTraceEnabled()) {
    return "trace";
  } else if (logger.isDebugEnabled()) {
    return "debug";
  } else if (logger.isInfoEnabled()) {
    return "info";
  } else if (logger.isWarnEnabled()) {
    return "warn";
  } else if (logger.isErrorEnabled()) {
    return "error";
  } else {
    throw new IllegalStateException("Logging level for loggerName (" + loggerName + ") cannot be determined.");
  }
}

代码示例来源：origin: yu199195/hmily

/**
 * Warn.
 *
 * @param logger   the logger
 * @param format   the format
 * @param supplier the supplier
 */
public static void warn(Logger logger, String format, Supplier<Object> supplier) {
  if (logger.isWarnEnabled()) {
    logger.warn(format, supplier.get());
  }
}