001 /*--------------------------------------------------------------------------+ 002 $Id: ILogger.java 26283 2010-02-18 11:18:57Z juergens $ 003 | | 004 | Copyright 2005-2010 Technische Universitaet Muenchen | 005 | | 006 | Licensed under the Apache License, Version 2.0 (the "License"); | 007 | you may not use this file except in compliance with the License. | 008 | You may obtain a copy of the License at | 009 | | 010 | http://www.apache.org/licenses/LICENSE-2.0 | 011 | | 012 | Unless required by applicable law or agreed to in writing, software | 013 | distributed under the License is distributed on an "AS IS" BASIS, | 014 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 015 | See the License for the specific language governing permissions and | 016 | limitations under the License. | 017 +--------------------------------------------------------------------------*/ 018 package edu.tum.cs.commons.logging; 019 020 /** 021 * This interface describes loggers. This interface does not provide methods for 022 * logging message at FATAL level as such issues should be signaled with 023 * exceptions. 024 * 025 * @author Florian Deissenboeck 026 * @author Elmar Juergens 027 * @author $Author: juergens $ 028 * @version $Rev: 26283 $ 029 * @levd.rating GREEN Hash: 7BAA83754BC2D018DE28EDD00B64F683 030 */ 031 public interface ILogger { 032 033 /** 034 * Log message with level DEBUG. 035 * 036 * @param message 037 * log message. 038 */ 039 public void debug(Object message); 040 041 /** 042 * Log message with level DEBUG. 043 * 044 * @param message 045 * log message 046 * @param throwable 047 * {@link Throwable} to be logged 048 */ 049 public void debug(Object message, Throwable throwable); 050 051 /** 052 * Log message with level INFO. 053 * 054 * @param message 055 * log message. 056 */ 057 public void info(Object message); 058 059 /** 060 * Log message with level INFO. 061 * 062 * @param message 063 * log message 064 * @param throwable 065 * {@link Throwable} to be logged 066 */ 067 public void info(Object message, Throwable throwable); 068 069 /** 070 * Log message with level WARN. 071 * 072 * @param message 073 * log message. 074 */ 075 public void warn(Object message); 076 077 /** 078 * Log message with level WARN. 079 * 080 * @param message 081 * log message 082 * @param throwable 083 * {@link Throwable} to be logged 084 */ 085 public void warn(Object message, Throwable throwable); 086 087 /** 088 * Log message with level ERROR. 089 * 090 * @param message 091 * log message. 092 */ 093 public void error(Object message); 094 095 /** 096 * Log message with level ERROR. 097 * 098 * @param message 099 * log message 100 * @param throwable 101 * {@link Throwable} to be logged 102 */ 103 public void error(Object message, Throwable throwable); 104 105 }