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.api.services;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import jakarta.ws.rs.GET;
  import jakarta.ws.rs.Path;
  import jakarta.ws.rs.PathParam;
  import jakarta.ws.rs.Produces;
  import jakarta.ws.rs.QueryParam;
  import jakarta.ws.rs.core.Context;
  import jakarta.ws.rs.core.HttpHeaders;
  import jakarta.ws.rs.core.MediaType;
  import jakarta.ws.rs.core.Response;
  import jakarta.ws.rs.core.UriInfo;
  
  import org.apache.ambari.annotations.ApiIgnore;
  import org.apache.ambari.server.api.resources.ResourceInstance;
  import org.apache.ambari.server.controller.spi.Resource;
  
  /**
   * Service responsible for kerberos identity resource requests.
   */
  public class HostKerberosIdentityService extends BaseService {
  
    /**
     * Parent cluster id.
     */
    private String clusterName;
  
    /**
     * Relevant hostname
     */
    private String hostName;
  
    /**
     * Constructor.
     *
     * @param clusterName cluster name
     * @param hostName    host name
     */
    public HostKerberosIdentityService(String clusterName, String hostName) {
      this.clusterName = clusterName;
      this.hostName = hostName;
    }
  
    /**
     * Handles GET: /clusters/{clusterID}/services/{serviceID}/components/{componentID}/kerberos_identities/{identityId}
     * Get a specific Kerberos identity.
     *
     * @param headers    http headers
     * @param ui         uri info
     * @param identityID Kerberos identity id
     * @param format     output format
     * @return a component resource representation
     */
    @GET @ApiIgnore // until documented
    @Path("{kerberosIdentityID}")
    @Produces("text/plain")
    public Response getKerberosIdentity(String body, @Context HttpHeaders headers, @Context UriInfo ui,
                                        @PathParam("kerberosIdentityID") String identityID,
                                        @QueryParam("format") String format) {
  
      MediaType mediaType;
      if ("csv".equalsIgnoreCase(format)) {
        mediaType = MEDIA_TYPE_TEXT_CSV_TYPE;
      } else {
        mediaType = null;
      }
  
      return handleRequest(headers, body, ui, Request.Type.GET, mediaType, createResource(clusterName, hostName, identityID));
    }
  
    /**
     * Handles GET: /clusters/{clusterID}/services/{serviceID}/components/{componentID}/kerberos_identities
     * Get all Kerberos identities for a service.
     *
     * @param headers http headers
     * @param ui      uri info
     * @return component collection resource representation
     */
    @GET @ApiIgnore // until documented
    @Produces("text/plain")
    public Response getKerberosIdentities(String body, @Context HttpHeaders headers, @Context UriInfo ui, @QueryParam("format") String format) {
      return getKerberosIdentity(body, headers, ui, null, format);
    }
  
    /**
     * Create a kerberos identity resource instance.
     *
     * @param clusterName cluster name
     * @param hostName    host name
     * @param identityId  Kerberos identity id
     * @return a component resource instance
     */
    ResourceInstance createResource(String clusterName, String hostName, String identityId) {
      Map<Resource.Type, String> mapIds = new HashMap<>();
      mapIds.put(Resource.Type.Cluster, clusterName);
      mapIds.put(Resource.Type.Host, hostName);
      mapIds.put(Resource.Type.HostKerberosIdentity, identityId);
  
      return createResource(Resource.Type.HostKerberosIdentity, mapIds);
    }
  
  }
  