Java tutorial
/* * Copyright (C) 2013 headissue GmbH (www.headissue.com) * * Source repository: https://github.com/headissue/pigeon * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This patch is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this patch. If not, see <http://www.gnu.org/licenses/agpl.txt/>. */ package com.headissue.pigeon.util; import org.apache.commons.logging.Log; /** * */ public final class LogUtils { public static void warn(Log log, String message, Object... args) { if (log.isWarnEnabled()) { if (args != null && args.length > 0) { message = String.format(message, args); } log.warn(message); } } public static void warn(Log log, Throwable t, String message, Object... args) { if (log.isWarnEnabled()) { if (args != null && args.length > 0) { message = String.format(message, args); } log.warn(message, t); } } public static void info(Log log, String message, Object... args) { if (log.isInfoEnabled()) { if (args != null && args.length > 0) { message = String.format(message, args); } log.info(message); } } public static void info(Log log, Throwable t, String message, Object... args) { if (log.isInfoEnabled()) { if (args != null && args.length > 0) { message = String.format(message, args); } log.info(message, t); } } public static void debug(Log log, String message, Object... args) { if (log.isDebugEnabled()) { if (args != null && args.length > 0) { message = String.format(message, args); } log.debug(message); } } public static void debug(Log log, Throwable t, String message, Object... args) { if (log.isDebugEnabled()) { if (args != null && args.length > 0) { message = String.format(message, args); } log.debug(message, t); } } public static void trace(Log log, String message, Object... args) { if (log.isTraceEnabled()) { if (args != null && args.length > 0) { message = String.format(message, args); } log.trace(message); } } public static void trace(Log log, Throwable t, String message, Object... args) { if (log.isTraceEnabled()) { if (args != null && args.length > 0) { message = String.format(message, args); } log.trace(message, t); } } private LogUtils() { } }