001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache license, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the license for the specific language governing permissions and 015 * limitations under the license. 016 */ 017 package org.apache.logging.log4j.core.selector; 018 019 import org.apache.logging.log4j.core.LoggerContext; 020 021 import java.util.List; 022 023 /** 024 * Interface used to locate a LoggerContext. 025 */ 026 public interface ContextSelector { 027 028 /** 029 * Returns the LoggerContext. 030 * @param fqcn The fully qualified class name of the caller. 031 * @param loader ClassLoader to use or null. 032 * @param currentContext If true returns the current Context, if false returns the Context appropriate 033 * for the caller if a more appropriate Context can be determined. 034 * @return The LoggerContext. 035 */ 036 LoggerContext getContext(String fqcn, ClassLoader loader, boolean currentContext); 037 038 /** 039 * Returns a List of all the available LoggerContexts. 040 * @return The List of LoggerContexts. 041 */ 042 List<LoggerContext> getLoggerContexts(); 043 }