Here you can find the source of info(Logger log, Object... objectsToString)
public static void info(Logger log, Object... objectsToString)
//package com.java2s; /*//from w w w . j ava 2s . c o m Copyright (c) 2012 LinkedIn Corp. 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 info(Logger log, Object... objectsToString) { if (log.isInfoEnabled()) { log.info(join(objectsToString)); } } public static String join(Object... objectsToJoin) { StringBuffer joined = new StringBuffer(); for (Object o : objectsToJoin) { if (o != null) { joined.append(o); } else { joined.append("null"); } } return joined.toString(); } }