Here you can find the source of log(Logger logger, Throwable t)
public static void log(Logger logger, Throwable t)
//package com.java2s; /**// www . j a v a2s. c om * Copyright 2007-2016, Kaazing Corporation. All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import org.slf4j.Logger; public class Main { public static void log(Logger logger, Throwable t) { if (logger.isDebugEnabled()) { logger.debug(t.getMessage(), t); } else { logger.info(t.getMessage()); } } public static void log(Logger logger, String message, Throwable t) { if (logger.isDebugEnabled()) { logger.debug(message, t); } else { logger.info(message); } } }