/*
    * 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.log4j.xml;
  
  import org.apache.log4j.config.Log4j1Configuration;
  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.status.StatusLogger;
  import org.apache.logging.log4j.util.PropertiesUtil;
  
  /**
   * Constructs a Configuration usable in Log4j 2 from a Log4j 1 configuration file.
   */
  @Plugin(name = "Log4j1XmlConfigurationFactory", category = ConfigurationFactory.CATEGORY)
  @Order(2)
  public class XmlConfigurationFactory extends ConfigurationFactory {
      private static final org.apache.logging.log4j.Logger LOGGER = StatusLogger.getLogger();
  
      /**
       * File name prefix for test configurations.
       */
      protected static final String TEST_PREFIX = "log4j-test";
  
      /**
       * File name prefix for standard configurations.
       */
      protected static final String DEFAULT_PREFIX = "log4j";
  
      @Override
      protected String[] getSupportedTypes() {
          if (!PropertiesUtil.getProperties().getBooleanProperty(ConfigurationFactory.LOG4J1_EXPERIMENTAL, Boolean.FALSE)) {
              return null;
          }
          return new String[] {".xml"};
      }
  
      @Override
      public Configuration getConfiguration(LoggerContext loggerContext, ConfigurationSource source) {
          int interval = PropertiesUtil.getProperties().getIntegerProperty(Log4j1Configuration.MONITOR_INTERVAL, 0);
          return new XmlConfiguration(loggerContext, source, interval);
      }
  
      @Override
      protected String getTestPrefix() {
          return TEST_PREFIX;
      }
  
      @Override
      protected String getDefaultPrefix() {
          return DEFAULT_PREFIX;
      }
  
      @Override
      protected String getVersion() {
          return LOG4J1_VERSION;
      }
  }