content: /*
   * Copyright 2010 Proofpoint, Inc.
   *
   * 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 io.airlift.http.client;
  
  import com.google.common.collect.ImmutableListMultimap;
  import com.google.common.collect.ListMultimap;
  import io.airlift.http.client.StatusResponseHandler.StatusResponse;
  import jakarta.annotation.Nullable;
  
  import java.util.List;
  
  import static io.airlift.http.client.ResponseHandlerUtils.propagate;
  
  public class StatusResponseHandler
          implements ResponseHandler<StatusResponse, RuntimeException>
  {
      private static final StatusResponseHandler statusResponseHandler = new StatusResponseHandler();
  
      public static StatusResponseHandler createStatusResponseHandler()
      {
          return statusResponseHandler;
      }
  
      private StatusResponseHandler()
      {
      }
  
      @Override
      public StatusResponse handleException(Request request, Exception exception)
      {
          throw propagate(request, exception);
      }
  
      @Override
      public StatusResponse handle(Request request, Response response)
      {
          return new StatusResponse(response.getStatusCode(), response.getHeaders());
      }
  
      public static class StatusResponse
      {
          private final int statusCode;
          private final ListMultimap<HeaderName, String> headers;
  
          public StatusResponse(int statusCode, ListMultimap<HeaderName, String> headers)
          {
              this.statusCode = statusCode;
              this.headers = ImmutableListMultimap.copyOf(headers);
          }
  
          public int getStatusCode()
          {
              return statusCode;
          }
  
          @Nullable
          public String getHeader(String name)
          {
              List<String> values = getHeaders().get(HeaderName.of(name));
              return values.isEmpty() ? null : values.get(0);
          }
  
          public List<String> getHeaders(String name)
          {
              return headers.get(HeaderName.of(name));
          }
  
          public ListMultimap<HeaderName, String> getHeaders()
          {
              return headers;
          }
      }
  }
  