    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.plugins.convert;
    018
    019    import org.apache.logging.log4j.util.EnglishEnums;
    020
    021    /**
    022     * Converts a {@link String} into a {@link Enum}. Returns {@code null} for invalid enum names.
    023     *
    024     * @param <E> the enum class to parse.
    025     * @since 2.1 moved from TypeConverters
    026     */
    027    public class EnumConverter<E extends Enum<E>> implements TypeConverter<E> {
    028        private final Class<E> clazz;
    029
    030        public EnumConverter(final Class<E> clazz) {
    031            this.clazz = clazz;
    032        }
    033
    034        @Override
    035        public E convert(final String s) {
    036            return EnglishEnums.valueOf(clazz, s);
    037        }
    038    }