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.bookkeeper.http;
  
  import java.io.IOException;
  import org.apache.bookkeeper.http.service.HeartbeatService;
  import org.apache.bookkeeper.http.service.HttpEndpointService;
  import org.apache.bookkeeper.http.service.NullHttpService;
  
  /**
   * HttpEndpointService provider which provide service that do nothing.
   */
  public class NullHttpServiceProvider implements HttpServiceProvider {
  
      private static final NullHttpServiceProvider NULL_HTTP_SERVICE_PROVIDER = new NullHttpServiceProvider();
  
      static final HttpEndpointService NULL_HTTP_SERVICE = new NullHttpService();
  
      public static NullHttpServiceProvider getInstance() {
          return NULL_HTTP_SERVICE_PROVIDER;
      }
  
      @Override
      public HttpEndpointService provideHttpEndpointService(HttpServer.ApiType type) {
          if (type == HttpServer.ApiType.HEARTBEAT) {
              return new HeartbeatService();
          }
          return NULL_HTTP_SERVICE;
      }
  
      @Override
      public void close() throws IOException {
      }
  }
  