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

import com.dahuatech.hutool.core.util.StrUtil;
import com.dahuatech.hutool.log.AbstractLog;
import com.dahuatech.hutool.log.level.Level;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

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

  private final transient Log logger;
  private final String name;

  // ------------------------------------------------------------------------- Constructor
  public ApacheCommonsLog(Log logger, String name) {
    this.logger = logger;
    this.name = name;
  }

  public ApacheCommonsLog(Class clazz) {
    this(LogFactory.getLog(clazz), null == clazz ? StrUtil.NULL : clazz.getName());
  }

  public ApacheCommonsLog(String name) {
    this(LogFactory.getLog(name), name);
  }

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

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

  @Override
  public void trace(String fqcn, Throwable t, String format, Object... arguments) {
    // fqcn此处无效
    if (isTraceEnabled()) {
      logger.trace(StrUtil.format(format, arguments), t);
    }
  }

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

  @Override
  public void debug(String fqcn, Throwable t, String format, Object... arguments) {
    // fqcn此处无效
    if (isDebugEnabled()) {
      logger.debug(StrUtil.format(format, arguments), t);
    }
  }

  // ------------------------------------------------------------------------- Info
  @Override
  public boolean isInfoEnabled() {
    return logger.isInfoEnabled();
  }

  @Override
  public void info(String fqcn, Throwable t, String format, Object... arguments) {
    // fqcn此处无效
    if (isInfoEnabled()) {
      logger.info(StrUtil.format(format, arguments), t);
    }
  }

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

  @Override
  public void warn(String format, Object... arguments) {
    if (isWarnEnabled()) {
      logger.warn(StrUtil.format(format, arguments));
    }
  }

  @Override
  public void warn(Throwable t, String format, Object... arguments) {}

  @Override
  public void warn(String fqcn, Throwable t, String format, Object... arguments) {
    // fqcn此处无效
    if (isWarnEnabled()) {
      logger.warn(StrUtil.format(format, arguments), t);
    }
  }

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

  @Override
  public void error(String fqcn, Throwable t, String format, Object... arguments) {
    // fqcn此处无效
    if (isErrorEnabled()) {
      logger.warn(StrUtil.format(format, arguments), t);
    }
  }

  // ------------------------------------------------------------------------- Log
  @Override
  public void log(String fqcn, Level level, Throwable t, String format, Object... arguments) {
    switch (level) {
      case TRACE:
        trace(t, format, arguments);
        break;
      case DEBUG:
        debug(t, format, arguments);
        break;
      case INFO:
        info(t, format, arguments);
        break;
      case WARN:
        warn(t, format, arguments);
        break;
      case ERROR:
        error(t, format, arguments);
        break;
      default:
        throw new Error(StrUtil.format("Can not identify level: {}", level));
    }
  }
  // ------------------------------------------------------------------------- Private method
}