content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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.apache.ambari.server.serveraction.kerberos;
  
  import javax.xml.bind.annotation.XmlEnum;
  import javax.xml.bind.annotation.XmlEnumValue;
  
  /**
   * Enumerates the supported KDC types
   */
  @XmlEnum
  public enum KDCType {
    /**
     * Indicates not KDC type is relevant. This is expected when Ambari is not managing Kerberos identities.
     */
    @XmlEnumValue("none")
    NONE,
  
    /**
     * Indicates an MIT KDC (or similar)
     */
    @XmlEnumValue("mit-kdc")
    MIT_KDC,
  
    /**
     * Indicates a Microsoft Active Directory
     */
    @XmlEnumValue("active-directory")
    ACTIVE_DIRECTORY,
  
    /**
     * Indicates an IPA KDC
     */
    @XmlEnumValue("ipa")
    IPA;
  
    /**
     * Translates a String to a KDCType.
     * <p/>
     * The translation logic attempts to nicely convert a String to a KDCType by replacing all '-'
     * characters to '_' characters and converting the String to uppercase. Allowing for values like
     * "mit_kdc" to be translated to "MIT_KDC".
     *
     * @param value a String value to convert to a KDCType
     * @return A KDCType
     * @throws java.lang.IllegalArgumentException if this enum type has no constant with the specified name
     */
    public static KDCType translate(String value) {
      if((value == null) || value.isEmpty()) {
        return NONE;
      }else {
        return KDCType.valueOf(value.replace("-", "_").toUpperCase());
      }
    }
  }
  