logging日志（一） 扩展Formatter

logging.properties

 

 

handlers= java.util.logging.FileHandler, java.util.logging.ConsoleHandler, test.log.TestHandler

# Default global logging level.OFF, they include SEVERE,WARNING,INFO,CONFIG,FINE,FINER,FINEST and ALL. 
.level= FINE

############################################################
# Handler specific properties.
# Describes specific configuration info for Handlers.
############################################################

# default file output is in user's home directory.
#可以查看JDK API

java.util.logging.FileHandler.level = info
java.util.logging.FileHandler.pattern = %h/edoc.log
java.util.logging.FileHandler.append = true
java.util.logging.FileHandler.limit = 10485760
java.util.logging.FileHandler.count = 10
java.util.logging.FileHandler.formatter = java.util.logging.SimpleFormatter

#注：等级需要大小写敏感

test.log.TestHandler.level = INFO 
test.log.TestHandler.formatter =test.log.TestFormatter

  

 

import java.util.logging.Formatter;
import java.util.logging.Level;
import java.util.logging.LogRecord;

public class TestFormatter extends Formatter {

	public TestFormatter () {

	}

	@Override
	public synchronized String format(LogRecord record) {
		if ("".equals(record.getMessage().trim())) {
			return "";
		}
		StringBuilder sb = new StringBuilder();
		if (record.getLevel() == Level.INFO) {
			sb.append("INFO");
		} else if (record.getLevel() == Level.ALL) {
			sb.append("ALL");
		} else if (record.getLevel() == Level.SEVERE) {
			sb.append("SEVERE");
		} else if (record.getLevel() == Level.WARNING) {
			sb.append("WARNING");
		} else {
			sb.append("UNKNOWN");
		}
		sb.append(": ");
		sb.append(record.getMessage()).append("\n");
		System.out.println(sb.toString());
		return sb.toString();
	}

}