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 * http://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 }