/* * Copyright 2012 The Netty Project * * The Netty Project licenses this file to you 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. */ package io.netty.util.internal.logging; import org.slf4j.LoggerFactory; import org.slf4j.helpers.NOPLoggerFactory; /** * Logger factory which creates a <a href="http://www.slf4j.org/">SLF4J</a> * logger. */ public class Slf4JLoggerFactory extends InternalLoggerFactory { @SuppressWarnings("deprecation") public static final InternalLoggerFactory INSTANCE = new Slf4JLoggerFactory(); /** * @deprecated Use {@link #INSTANCE} instead. */ @Deprecated public Slf4JLoggerFactory() { } Slf4JLoggerFactory(boolean failIfNOP) { assert failIfNOP; // Should be always called with true. if (LoggerFactory.getILoggerFactory() instanceof NOPLoggerFactory) { throw new NoClassDefFoundError("NOPLoggerFactory not supported"); } } @Override public InternalLogger newInstance(String name) { return new Slf4JLogger(LoggerFactory.getLogger(name)); } }