1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache license, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the license for the specific language governing permissions and 15 * limitations under the license. 16 */ 17 package org.apache.logging.log4j.core.config.plugins.convert; 18 19 import org.apache.logging.log4j.util.EnglishEnums; 20 21 /** 22 * Converts a {@link String} into a {@link Enum}. Returns {@code null} for invalid enum names. 23 * 24 * @param <E> the enum class to parse. 25 * @since 2.1 moved from TypeConverters 26 */ 27 public class EnumConverter<E extends Enum<E>> implements TypeConverter<E> { 28 private final Class<E> clazz; 29 30 public EnumConverter(final Class<E> clazz) { 31 this.clazz = clazz; 32 } 33 34 @Override 35 public E convert(final String s) { 36 return EnglishEnums.valueOf(clazz, s); 37 } 38 }