/*
 * 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;

Versions of the web socket specification.

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> * 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;
Returns:Value for HTTP Header 'Sec-WebSocket-Version'
/** * @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); } }