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