com.dahuatech.hutool.log.dialect.console.ConsoleLog Maven / Gradle / Ivy

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There is a newer version: 1.0.13.10
package com.dahuatech.hutool.log.dialect.console;

import com.dahuatech.hutool.core.date.DateUtil;
import com.dahuatech.hutool.core.lang.Assert;
import com.dahuatech.hutool.core.lang.Console;
import com.dahuatech.hutool.core.lang.Dict;
import com.dahuatech.hutool.core.util.StrUtil;
import com.dahuatech.hutool.log.AbstractLog;
import com.dahuatech.hutool.log.level.Level;

/**
 * 利用System.out.println()打印日志
 *
 * @author Looly
 */
public class ConsoleLog extends AbstractLog {
  private static final long serialVersionUID = -6843151523380063975L;

  private static final String logFormat = "[{date}] [{level}] {name}: {msg}";
  private static Level currentLevel = Level.DEBUG;

  private String name;

  // ------------------------------------------------------------------------- Constructor

  /**
   * 构造
   *
   * @param clazz 类
   */
  public ConsoleLog(Class clazz) {
    this.name = (null == clazz) ? StrUtil.NULL : clazz.getName();
  }

  /**
   * 构造
   *
   * @param name 类名
   */
  public ConsoleLog(String name) {
    this.name = name;
  }

  /**
   * 设置自定义的日志显示级别
   *
   * @param customLevel 自定义级别
   * @since 4.1.10
   */
  public static void setLevel(Level customLevel) {
    Assert.notNull(customLevel);
    currentLevel = customLevel;
  }

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

  // ------------------------------------------------------------------------- Trace
  @Override
  public boolean isTraceEnabled() {
    return isEnabled(Level.TRACE);
  }

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

  // ------------------------------------------------------------------------- Debug
  @Override
  public boolean isDebugEnabled() {
    return isEnabled(Level.DEBUG);
  }

  @Override
  public void debug(String fqcn, Throwable t, String format, Object... arguments) {
    log(fqcn, Level.DEBUG, t, format, arguments);
  }

  // ------------------------------------------------------------------------- Info
  @Override
  public boolean isInfoEnabled() {
    return isEnabled(Level.INFO);
  }

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

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

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

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

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

  // ------------------------------------------------------------------------- Log
  @Override
  public void log(String fqcn, Level level, Throwable t, String format, Object... arguments) {
    // fqcn 无效
    if (false == isEnabled(level)) {
      return;
    }

    final Dict dict =
        Dict.create()
            .set("date", DateUtil.now())
            .set("level", level.toString())
            .set("name", this.name)
            .set("msg", StrUtil.format(format, arguments));

    final String logMsg = StrUtil.format(logFormat, dict);

    // WARN以上级别打印至System.err
    if (level.ordinal() >= Level.WARN.ordinal()) {
      Console.error(t, logMsg);
    } else {
      Console.log(t, logMsg);
    }
  }

  @Override
  public boolean isEnabled(Level level) {
    return currentLevel.compareTo(level) <= 0;
  }
}