2011-12-15 06:09:09 +01:00
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/*
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2012-06-04 22:31:44 +02:00
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* Copyright 2012 The Netty Project
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2011-12-15 06:09:09 +01:00
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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2012-06-04 22:31:44 +02:00
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* http://www.apache.org/licenses/LICENSE-2.0
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2011-12-15 06:09:09 +01:00
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.handler.codec.http.websocketx;
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/**
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* <p>
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* Versions of the web socket specification.
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* </p>
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* <p>
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* A specification is tied to one wire protocol version but a protocol version may have use by more than 1 version of
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* the specification.
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* </p>
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*/
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public enum WebSocketVersion {
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2011-12-15 12:25:40 +01:00
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UNKNOWN,
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2011-12-15 06:09:09 +01:00
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2011-12-15 12:25:40 +01:00
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/**
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* <a href= "http://tools.ietf.org/html/draft-ietf-hybi-thewebsocketprotocol-00"
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* >draft-ietf-hybi-thewebsocketprotocol- 00</a>.
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*/
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V00,
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2011-12-15 06:09:09 +01:00
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2012-12-14 23:59:18 +01:00
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/**
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* <a href= "http://tools.ietf.org/html/draft-ietf-hybi-thewebsocketprotocol-07"
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* >draft-ietf-hybi-thewebsocketprotocol- 07</a>
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*/
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V07,
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2011-12-15 12:25:40 +01:00
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/**
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* <a href= "http://tools.ietf.org/html/draft-ietf-hybi-thewebsocketprotocol-10"
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* >draft-ietf-hybi-thewebsocketprotocol- 10</a>
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*/
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V08,
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2011-12-15 06:09:09 +01:00
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2011-12-15 12:25:40 +01:00
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/**
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* <a href="http://tools.ietf.org/html/rfc6455 ">RFC 6455</a>. This was originally <a href=
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* "http://tools.ietf.org/html/draft-ietf-hybi-thewebsocketprotocol-17" >draft-ietf-hybi-thewebsocketprotocol-
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* 17</a>
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*/
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V13;
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2011-12-15 06:09:09 +01:00
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2011-12-15 12:25:40 +01:00
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/**
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* @return Value for HTTP Header 'Sec-WebSocket-Version'
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*/
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public String toHttpHeaderValue() {
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if (this == V00) {
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return "0";
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2012-11-12 01:31:40 +01:00
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}
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2012-12-14 23:59:18 +01:00
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if (this == V07) {
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return "7";
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}
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2012-11-12 01:31:40 +01:00
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if (this == V08) {
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return "8";
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2012-11-12 01:31:40 +01:00
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}
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if (this == V13) {
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2011-12-15 12:25:40 +01:00
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return "13";
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}
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2012-01-19 05:12:45 +01:00
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throw new IllegalStateException("Unknown web socket version: " + this);
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2011-12-15 12:25:40 +01:00
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}
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2011-12-15 06:09:09 +01:00
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}
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