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    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  }