com.dahuatech.hutool.log.dialect.log4j.Log4jLog Maven / Gradle / Ivy

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package com.dahuatech.hutool.log.dialect.log4j;

import com.dahuatech.hutool.core.util.StrUtil;
import com.dahuatech.hutool.log.AbstractLog;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;

/**
 * Apache Log4J log.

 *
 * @author Looly
 */
public class Log4jLog extends AbstractLog {
  private static final long serialVersionUID = -6843151523380063975L;

  private final Logger logger;

  // ------------------------------------------------------------------------- Constructor
  public Log4jLog(Logger logger) {
    this.logger = logger;
  }

  public Log4jLog(Class clazz) {
    this((null == clazz) ? StrUtil.NULL : clazz.getName());
  }

  public Log4jLog(String name) {
    this(Logger.getLogger(name));
  }

  @Override
  public String getName() {
    return logger.getName();
  }

  // ------------------------------------------------------------------------- Trace
  @Override
  public boolean isTraceEnabled() {
    return logger.isTraceEnabled();
  }

  @Override
  public void trace(String fqcn, Throwable t, String format, Object... arguments) {
    log(fqcn, com.dahuatech.hutool.log.level.Level.TRACE, t, format, arguments);
  }

  // ------------------------------------------------------------------------- Debug
  @Override
  public boolean isDebugEnabled() {
    return logger.isDebugEnabled();
  }

  @Override
  public void debug(String fqcn, Throwable t, String format, Object... arguments) {
    log(fqcn, com.dahuatech.hutool.log.level.Level.DEBUG, t, format, arguments);
  }
  // ------------------------------------------------------------------------- Info
  @Override
  public boolean isInfoEnabled() {
    return logger.isInfoEnabled();
  }

  @Override
  public void info(String fqcn, Throwable t, String format, Object... arguments) {
    log(fqcn, com.dahuatech.hutool.log.level.Level.INFO, t, format, arguments);
  }

  // ------------------------------------------------------------------------- Warn
  @Override
  public boolean isWarnEnabled() {
    return logger.isEnabledFor(Level.WARN);
  }

  @Override
  public void warn(String fqcn, Throwable t, String format, Object... arguments) {
    log(fqcn, com.dahuatech.hutool.log.level.Level.WARN, t, format, arguments);
  }

  // ------------------------------------------------------------------------- Error
  @Override
  public boolean isErrorEnabled() {
    return logger.isEnabledFor(Level.ERROR);
  }

  @Override
  public void error(String fqcn, Throwable t, String format, Object... arguments) {
    log(fqcn, com.dahuatech.hutool.log.level.Level.ERROR, t, format, arguments);
  }

  // ------------------------------------------------------------------------- Log
  @Override
  public void log(
      String fqcn,
      com.dahuatech.hutool.log.level.Level level,
      Throwable t,
      String format,
      Object... arguments) {
    Level log4jLevel;
    switch (level) {
      case TRACE:
        log4jLevel = Level.TRACE;
        break;
      case DEBUG:
        log4jLevel = Level.DEBUG;
        break;
      case INFO:
        log4jLevel = Level.INFO;
        break;
      case WARN:
        log4jLevel = Level.WARN;
        break;
      case ERROR:
        log4jLevel = Level.ERROR;
        break;
      default:
        throw new Error(StrUtil.format("Can not identify level: {}", level));
    }

    if (logger.isEnabledFor(log4jLevel)) {
      logger.log(fqcn, log4jLevel, StrUtil.format(format, arguments), t);
    }
  }
}