对于JDK和Tomcat，自定义处理程序必须在创建时与LogManager交互以读取解析和加载的值。您必须设置由java.util.logging. logging类定义的所有属性沿着新属性。
这里有一个例子来帮助你开始：

import java.util.logging.LogManager; //Use the JUL LogManager
public class JdbcHandler extends Handler {
  private String abc;
  public JdbcHandler() {
     final LogManager m = LogManager.getLogManager();
     final String p = getClass().getName(); //property prefix
 
     String lvl = m.getProperty(p + ".level"); //parse and set the level
     try {
        super.setLevel(lvl == null ? Level.ALL : Level.parse(lvl));
     } catch(RuntimeException failed) {
        this.reportError("Unable to set level", failed, ErrorManager.OPEN_FAILURE);
        super.setLevel(Level.ALL);
     }
    //TODO set other handler properties for formatter, filter, encoding, and errorManager.
     //set your property for JDK, Tomcat, etc.
     initAbc(m.getProperty(p + ".abc"));
  }
  //WildFly will support this way of assigning the property.
  public void setAbc(String abc) {
     initAbc(abc);
  }
  private void initAbc(String abc) {
    this.abc = abc;
  }
  @Override
  public void publish(LogRecord record) {
    if (!isLoggable(record) {
       return;
    }
    System.out.println("record " + record);     // this is called
  }
  public void close() {
     super.setLevel(Level.OFF);
  }
   
  public void flush() {
  }
}

字符串
保留公共setAbc方法是值得的，因为WildFly将使用该方法来分配属性。