1 /** 2 * Copyright (c) 2004-2011 QOS.ch 3 * All rights reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be 14 * included in all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23 * 24 */ 25 package org.slf4j.spi; 26 27 import org.slf4j.Logger; 28 import org.slf4j.Marker; 29 30 /** 31 * An <b>optional</b> interface helping integration with logging systems capable of 32 * extracting location information. This interface is mainly used by SLF4J bridges 33 * such as jcl-over-slf4j, jul-to-slf4j and log4j-over-slf4j or {@link Logger} wrappers 34 * which need to provide hints so that the underlying logging system can extract 35 * the correct location information (method name, line number). 36 * 37 * @author Ceki Gulcu 38 * @since 1.3 39 */ 40 public interface LocationAwareLogger extends Logger { 41 42 // these constants should be in EventContants. However, in order to preserve binary backward compatibility 43 // we keep these constants here 44 final public int TRACE_INT = 00; 45 final public int DEBUG_INT = 10; 46 final public int INFO_INT = 20; 47 final public int WARN_INT = 30; 48 final public int ERROR_INT = 40; 49 50 /** 51 * Printing method with support for location information. 52 * 53 * @param marker The marker to be used for this event, may be null. 54 * @param fqcn The fully qualified class name of the <b>logger instance</b>, 55 * typically the logger class, logger bridge or a logger wrapper. 56 * @param level One of the level integers defined in this interface 57 * @param message The message for the log event 58 * @param t Throwable associated with the log event, may be null. 59 */ log(Marker marker, String fqcn, int level, String message, Object[] argArray, Throwable t)60 public void log(Marker marker, String fqcn, int level, String message, Object[] argArray, Throwable t); 61 62 } 63