1 /*
2 * Copyright 2015 The Netty Project
3 *
4 * The Netty Project licenses this file to you under the Apache License,
5 * version 2.0 (the "License"); you may not use this file except in compliance
6 * with the License. You may obtain a copy of the License at:
7 *
8 * https://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations
14 * under the License.
15 */
16
17 package io.netty.handler.ssl;
18
19 /**
20 * Provides a set of protocol names used in ALPN and NPN.
21 *
22 * @see <a href="https://tools.ietf.org/html/rfc7540#section-11.1">RFC7540 (HTTP/2)</a>
23 * @see <a href="https://tools.ietf.org/html/rfc7301#section-6">RFC7301 (TLS ALPN Extension)</a>
24 * @see <a href="https://tools.ietf.org/html/draft-agl-tls-nextprotoneg-04#section-7">TLS NPN Extension Draft</a>
25 */
26 public final class ApplicationProtocolNames {
27
28 /**
29 * {@code "h2"}: HTTP version 2
30 */
31 public static final String HTTP_2 = "h2";
32
33 /**
34 * {@code "http/1.1"}: HTTP version 1.1
35 */
36 public static final String HTTP_1_1 = "http/1.1";
37
38 /**
39 * {@code "spdy/3.1"}: SPDY version 3.1
40 */
41 public static final String SPDY_3_1 = "spdy/3.1";
42
43 /**
44 * {@code "spdy/3"}: SPDY version 3
45 */
46 public static final String SPDY_3 = "spdy/3";
47
48 /**
49 * {@code "spdy/2"}: SPDY version 2
50 */
51 public static final String SPDY_2 = "spdy/2";
52
53 /**
54 * {@code "spdy/1"}: SPDY version 1
55 */
56 public static final String SPDY_1 = "spdy/1";
57
58 private ApplicationProtocolNames() { }
59 }