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.config; 018 019 import org.apache.logging.log4j.LogManager; 020 import org.apache.logging.log4j.core.LoggerContext; 021 import java.net.URI; 022 import java.net.URISyntaxException; 023 024 /** 025 * Initializes and configure the Logging system. 026 */ 027 public final class Configurator { 028 029 private Configurator() { 030 } 031 032 /** 033 * Initializes the Logging Context. 034 * @param name The Context name. 035 * @param loader The ClassLoader for the Context (or null). 036 * @param configLocation The configuration for the logging context. 037 * @return The LoggerContext. 038 */ 039 public static LoggerContext initialize(final String name, final ClassLoader loader, final String configLocation) { 040 041 try { 042 final URI uri = configLocation == null ? null : new URI(configLocation); 043 return initialize(name, loader, uri); 044 } catch (final URISyntaxException ex) { 045 ex.printStackTrace(); 046 } 047 return null; 048 } 049 050 /** 051 * Initializes the Logging Context. 052 * @param name The Context name. 053 * @param loader The ClassLoader for the Context (or null). 054 * @param configLocation The configuration for the logging context. 055 * @return The LoggerContext. 056 */ 057 public static LoggerContext initialize(final String name, final ClassLoader loader, final URI configLocation) { 058 059 try { 060 final LoggerContext ctx = (LoggerContext) LogManager.getContext(loader, false); 061 final Configuration config = ConfigurationFactory.getInstance().getConfiguration(name, configLocation); 062 ctx.setConfiguration(config); 063 return ctx; 064 } catch (final Exception ex) { 065 ex.printStackTrace(); 066 } 067 return null; 068 } 069 070 /** 071 * Initializes the Logging Context. 072 * @param loader The ClassLoader for the Context (or null). 073 * @param source The InputSource for the configuration. 074 * @return The LoggerContext. 075 */ 076 public static LoggerContext initialize(final ClassLoader loader, 077 final ConfigurationFactory.ConfigurationSource source) { 078 079 try { 080 final LoggerContext ctx = (LoggerContext) LogManager.getContext(loader, false); 081 final Configuration config = ConfigurationFactory.getInstance().getConfiguration(source); 082 ctx.setConfiguration(config); 083 return ctx; 084 } catch (final Exception ex) { 085 ex.printStackTrace(); 086 } 087 return null; 088 } 089 090 /** 091 * Shuts down the given logging context. 092 * @param ctx the logging context to shut down, may be null. 093 */ 094 public static void shutdown(final LoggerContext ctx) { 095 if (ctx != null) { 096 ctx.setConfiguration(new DefaultConfiguration()); 097 } 098 } 099 }