001/**
002 * Copyright (c) 2004-2021 QOS.ch
003 * All rights reserved.
004 *
005 * Permission is hereby granted, free  of charge, to any person obtaining
006 * a  copy  of this  software  and  associated  documentation files  (the
007 * "Software"), to  deal in  the Software without  restriction, including
008 * without limitation  the rights to  use, copy, modify,  merge, publish,
009 * distribute,  sublicense, and/or sell  copies of  the Software,  and to
010 * permit persons to whom the Software  is furnished to do so, subject to
011 * the following conditions:
012 *
013 * The  above  copyright  notice  and  this permission  notice  shall  be
014 * included in all copies or substantial portions of the Software.
015 *
016 * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
017 * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
018 * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
019 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
020 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
021 * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
022 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
023 *
024 */
025package org.slf4j.jdk.platform.logging;
026
027/**
028 * Uses {@link SLF4JPlatformLoggerFactory#getLogger(String)} to get a logger
029 * that is adapted for {@link System.Logger}.
030 * 
031 * @since 2.0.0
032 */
033public class SLF4JSystemLoggerFinder extends System.LoggerFinder {
034
035    final SLF4JPlatformLoggerFactory platformLoggerFactory = new SLF4JPlatformLoggerFactory();
036    
037    @Override
038    public System.Logger getLogger(String name, Module module) {
039        // JEP 264[1], which introduced the Platform Logging API,
040        // contains the following note:
041        //
042        //  > An implementation of the LoggerFinder service should make it
043        //  > possible to distinguish system loggers (used by system classes
044        //  > from the Bootstrap Class Loader (BCL)) and application loggers
045        //  > (created by an application for its own usage). This distinction
046        //  > is important for platform security. The creator of a logger can
047        //  > pass the class or module for which the logger is created to the
048        //  > LoggerFinder so that the LoggerFinder can figure out which kind
049        //  > of logger to return.
050        //
051        // If backends support this distinction and once `LoggerFactory`'s API 
052        // is updated to forward a module, we should do that here.
053        //
054        // [1] https://openjdk.java.net/jeps/264
055        SLF4JPlatformLogger adapter = platformLoggerFactory.getLogger(name);
056        return adapter;
057    }
058
059}