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.http2.protocol;
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.HttpResponse;
37 import org.apache.hc.core5.http.ProtocolVersion;
38 import org.apache.hc.core5.http.message.MessageSupport;
39 import org.apache.hc.core5.http.protocol.HttpContext;
40 import org.apache.hc.core5.http.protocol.ResponseContent;
41 import org.apache.hc.core5.util.Args;
42
43 /**
44 * HTTP/2 compatible extension of {@link ResponseContent}.
45 *
46 * @since 5.0
47 */
48 @Contract(threading = ThreadingBehavior.IMMUTABLE)
49 public class H2ResponseContent extends ResponseContent {
50
51 public H2ResponseContent() {
52 super();
53 }
54
55 public H2ResponseContent(final boolean overwrite) {
56 super(overwrite);
57 }
58
59 @Override
60 public void process(
61 final HttpResponse response,
62 final EntityDetails entity,
63 final HttpContext context) throws HttpException, IOException {
64 Args.notNull(context, "HTTP context");
65 final ProtocolVersion ver = context.getProtocolVersion();
66 if (ver.getMajor() < 2) {
67 super.process(response, entity, context);
68 } else if (entity != null) {
69 MessageSupport.addContentTypeHeader(response, entity);
70 MessageSupport.addContentEncodingHeader(response, entity);
71 MessageSupport.addTrailerHeader(response, entity);
72 }
73 }
74
75 }