public Log getLog(String name) {
		Log log = logCache.get(name);
		if (null == log) {
			log = createLog(name);
			logCache.put(name, log);
		}
		return log;
	}
public Log getLog ( String name ) { Log log = logCache . get ( name ) ; if ( null == log ) { log = createLog ( name ) ; logCache . put ( name , log ) ; } return log ; }
获得日志对象

@param name 日志对象名
@return 日志对象