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.logging.log4j.core.config.plugins.convert; 018 019import 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 */ 027public 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}