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.configuration;
  
  import org.apache.commons.lang.StringUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * AmbariServerConfigurationCategory is an enumeration of the different Ambari server specific
   * configuration categories.
   */
  public enum AmbariServerConfigurationCategory {
    LDAP_CONFIGURATION("ldap-configuration"),
    SSO_CONFIGURATION("sso-configuration"),
    TPROXY_CONFIGURATION("tproxy-configuration");
  
    private static final Logger LOG = LoggerFactory.getLogger(AmbariServerConfigurationCategory.class);
    private final String categoryName;
  
    AmbariServerConfigurationCategory(String categoryName) {
      this.categoryName = categoryName;
    }
  
    public String getCategoryName() {
      return categoryName;
    }
  
    /**
     * Safely returns an {@link AmbariServerConfigurationCategory} given the category's descriptive name
     *
     * @param categoryName a descriptive name
     * @return an {@link AmbariServerConfigurationCategory}
     */
    public static AmbariServerConfigurationCategory translate(String categoryName) {
      if (!StringUtils.isEmpty(categoryName)) {
        categoryName = categoryName.trim();
        for (AmbariServerConfigurationCategory category : values()) {
          if (category.getCategoryName().equals(categoryName)) {
            return category;
          }
        }
      }
  
      LOG.warn("Invalid Ambari server configuration category: {}", categoryName);
      return null;
    }
  
    /**
     * Safely returns the {@link AmbariServerConfigurationCategory}'s descriptive name or <code>null</code>
     * if no {@link AmbariServerConfigurationCategory} was supplied.
     *
     * @param category an {@link AmbariServerConfigurationCategory}
     * @return the descriptive name of an {@link AmbariServerConfigurationCategory}
     */
    public static String translate(AmbariServerConfigurationCategory category) {
      return (category == null) ? null : category.getCategoryName();
    }
  }
  