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 */ 017package org.apache.logging.log4j.core.selector; 018 019import java.net.URI; 020import java.util.List; 021 022import org.apache.logging.log4j.core.LoggerContext; 023 024/** 025 * Interface used to locate a LoggerContext. 026 */ 027public interface ContextSelector { 028 029 /** 030 * Returns the LoggerContext. 031 * @param fqcn The fully qualified class name of the caller. 032 * @param loader ClassLoader to use or null. 033 * @param currentContext If true returns the current Context, if false returns the Context appropriate 034 * for the caller if a more appropriate Context can be determined. 035 * @return The LoggerContext. 036 */ 037 LoggerContext getContext(String fqcn, ClassLoader loader, boolean currentContext); 038 039 /** 040 * Returns the LoggerContext. 041 * @param fqcn The fully qualified class name of the caller. 042 * @param loader ClassLoader to use or null. 043 * @param currentContext If true returns the current Context, if false returns the Context appropriate 044 * for the caller if a more appropriate Context can be determined. 045 * @param configLocation The location of the configuration for the LoggerContext. 046 * @return The LoggerContext. 047 */ 048 LoggerContext getContext(String fqcn, ClassLoader loader, boolean currentContext, URI configLocation); 049 050 /** 051 * Returns a List of all the available LoggerContexts. 052 * @return The List of LoggerContexts. 053 */ 054 List<LoggerContext> getLoggerContexts(); 055 056 /** 057 * Remove any references to the LoggerContext. 058 * @param context The context to remove. 059 */ 060 void removeContext(LoggerContext context); 061}