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.log4j.config;
018
019import java.io.IOException;
020import java.io.InputStream;
021
022import org.apache.logging.log4j.core.LoggerContext;
023import org.apache.logging.log4j.core.config.Configuration;
024import org.apache.logging.log4j.core.config.ConfigurationException;
025import org.apache.logging.log4j.core.config.ConfigurationFactory;
026import org.apache.logging.log4j.core.config.ConfigurationSource;
027import org.apache.logging.log4j.core.config.builder.api.ConfigurationBuilder;
028import org.apache.logging.log4j.core.config.builder.impl.BuiltConfiguration;
029
030/**
031 * Experimental ConfigurationFactory for Log4j 1.2 properties configuration files.
032 */
033// TODO
034// @Plugin(name = "Log4j1ConfigurationFactory", category = ConfigurationFactory.CATEGORY)
035//
036// Best Value?
037// @Order(50)
038public class Log4j1ConfigurationFactory extends ConfigurationFactory {
039
040    private static final String[] SUFFIXES = { ".properties" };
041
042    @Override
043    public Configuration getConfiguration(final LoggerContext loggerContext, final ConfigurationSource source) {
044        final ConfigurationBuilder<BuiltConfiguration> builder;
045        try (final InputStream configStream = source.getInputStream()) {
046            builder = new Log4j1ConfigurationParser().buildConfigurationBuilder(configStream);
047        } catch (final IOException e) {
048            throw new ConfigurationException("Unable to load " + source, e);
049        }
050        return builder.build();
051    }
052
053    @Override
054    protected String[] getSupportedTypes() {
055        return SUFFIXES;
056    }
057
058}