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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  
28  package org.apache.hc.core5.http.nio;
29  
30  import java.io.IOException;
31  
32  import org.apache.hc.core5.annotation.Contract;
33  import org.apache.hc.core5.annotation.ThreadingBehavior;
34  import org.apache.hc.core5.http.EntityDetails;
35  import org.apache.hc.core5.http.HttpException;
36  import org.apache.hc.core5.http.HttpRequest;
37  import org.apache.hc.core5.http.HttpResponse;
38  
39  /**
40   * Abstract response / response promise channel.
41   * <p>
42   * Implementations are expected to be thread-safe.
43   *
44   * @since 5.0
45   */
46  @Contract(threading = ThreadingBehavior.SAFE)
47  public interface ResponseChannel {
48  
49      void sendInformation(HttpResponse response) throws HttpException, IOException;
50  
51      void sendResponse(HttpResponse response, EntityDetails entityDetails) throws HttpException, IOException;
52  
53      void pushPromise(HttpRequest promise, AsyncPushProducer pushProducer) throws HttpException, IOException;
54  
55  }