| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF 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 org.apache.logging.log4j.core.config.yaml; |
| |
| import org.apache.logging.log4j.core.LoggerContext; |
| import org.apache.logging.log4j.core.config.Configuration; |
| import org.apache.logging.log4j.core.config.ConfigurationFactory; |
| import org.apache.logging.log4j.core.config.ConfigurationSource; |
| import org.apache.logging.log4j.core.config.Order; |
| import org.apache.logging.log4j.core.config.plugins.Plugin; |
| import org.apache.logging.log4j.core.util.Loader; |
| |
| @Plugin(name = "YamlConfigurationFactory", category = ConfigurationFactory.CATEGORY) |
| @Order(7) |
| public class YamlConfigurationFactory extends ConfigurationFactory { |
| |
| /** |
| * The file extensions supported by this factory. |
| */ |
| private static final String[] SUFFIXES = new String[] {".yml", ".yaml"}; |
| |
| private static final String[] dependencies = new String[] { |
| "com.fasterxml.jackson.databind.ObjectMapper", |
| "com.fasterxml.jackson.databind.JsonNode", |
| "com.fasterxml.jackson.core.JsonParser", |
| "com.fasterxml.jackson.dataformat.yaml.YAMLFactory" |
| }; |
| |
| private final boolean isActive; |
| |
| public YamlConfigurationFactory() { |
| for (final String dependency : dependencies) { |
| if (!Loader.isClassAvailable(dependency)) { |
| LOGGER.debug("Missing dependencies for Yaml support, ConfigurationFactory {} is inactive", getClass().getName()); |
| isActive = false; |
| return; |
| } |
| } |
| isActive = true; |
| } |
| |
| @Override |
| protected boolean isActive() { |
| return isActive; |
| } |
| |
| @Override |
| public Configuration getConfiguration(final LoggerContext loggerContext, final ConfigurationSource source) { |
| if (!isActive) { |
| return null; |
| } |
| return new YamlConfiguration(loggerContext, source); |
| } |
| |
| @Override |
| public String[] getSupportedTypes() { |
| return SUFFIXES; |
| } |
| |
| } |