com.dahuatech.hutool.log.dialect.jdk.JdkLogFactory Maven / Gradle / Ivy

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

import com.dahuatech.hutool.core.io.IoUtil;
import com.dahuatech.hutool.core.io.resource.ResourceUtil;
import com.dahuatech.hutool.core.lang.Console;
import com.dahuatech.hutool.log.Log;
import com.dahuatech.hutool.log.LogFactory;

import java.io.InputStream;
import java.util.logging.LogManager;

/**
 * JDK日志工厂类 java.util.logging
 * log.
 *
 * @author Looly
 */
public class JdkLogFactory extends LogFactory {

  public JdkLogFactory() {
    super("JDK Logging");
    readConfig();
  }

  @Override
  public Log createLog(String name) {
    return new com.dahuatech.hutool.log.dialect.jdk.JdkLog(name);
  }

  @Override
  public Log createLog(Class clazz) {
    return new JdkLog(clazz);
  }

  /** 读取ClassPath下的logging.properties配置文件 */
  private void readConfig() {
    // 避免循环引用，Log初始化的时候不使用相关工具类
    InputStream in = ResourceUtil.getStreamSafe("logging.properties");
    if (null == in) {
      System.err.println(
          "[WARN] Can not find [logging.properties], use [%JRE_HOME%/lib/logging.properties] as default!");
      return;
    }

    try {
      LogManager.getLogManager().readConfiguration(in);
    } catch (Exception e) {
      Console.error(e, "Read [logging.properties] from classpath error!");
      try {
        LogManager.getLogManager().readConfiguration();
      } catch (Exception e1) {
        Console.error(
            e, "Read [logging.properties] from [%JRE_HOME%/lib/logging.properties] error!");
      }
    } finally {
      IoUtil.close(in);
    }
  }
}