src/main/java/org/yaml/snakeyaml/util/EnumUtils.java


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/**
 * Copyright (c) 2008, SnakeYAML
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */
package org.yaml.snakeyaml.util;

public class EnumUtils {

  /**
   * Looks for an enumeration constant that matches the string without being case sensitive
   *
   * @param enumType - the Class object of the enum type from which to return a constant
   * @param name - the name of the constant to return
   * @param <T> - the enum type whose constant is to be returned
   * @return the enum constant of the specified enum type with the specified name, insensitive to
   *         case
   * @throws IllegalArgumentException – if the specified enum type has no constant with the
   *         specified name, insensitive case
   */
  public static <T extends Enum<T>> T findEnumInsensitiveCase(Class<T> enumType, String name) {
    for (T constant : enumType.getEnumConstants()) {
      if (constant.name().compareToIgnoreCase(name) == 0) {
        return constant;
      }
    }
    throw new IllegalArgumentException(
        "No enum constant " + enumType.getCanonicalName() + "." + name);
  }
}