WebSocketVersion (Netty API Reference (5.0.0.Alpha4))

java.lang.Object
- java.lang.Enum<WebSocketVersion>
- - io.netty5.handler.codec.http.websocketx.WebSocketVersion

All Implemented Interfaces:

Serializable, Comparable<WebSocketVersion>
```
public enum WebSocketVersion
extends Enum<WebSocketVersion>
```
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.

Enum Constant Summary

Enum Constants
Enum Constant Description

UNKNOWN

V13
RFC 6455.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`String`	`toHttpHeaderValue()`
`static WebSocketVersion`	`valueOf(String name)`	Returns the enum constant of this type with the specified name.
`static WebSocketVersion[]`	`values()`	Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum
clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object
getClass, notify, notifyAll, wait, wait, wait

- Enum Constant Detail
  - UNKNOWN
```
public static final WebSocketVersion UNKNOWN
```
  - V13
```
public static final WebSocketVersion V13
```
    RFC 6455. This was originally draft-ietf-hybi-thewebsocketprotocol- 17
- Method Detail
  - values
```
public static WebSocketVersion[] values()
```
    Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:
    for (WebSocketVersion c : WebSocketVersion.values()) System.out.println(c);
    Returns:
    
    an array containing the constants of this enum type, in the order they are declared
  - valueOf
```
public static WebSocketVersion valueOf(String name)
```
    Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
    
    Parameters:
    
    name - the name of the enum constant to be returned.
    
    Returns:
    
    the enum constant with the specified name
    
    Throws:
    
    IllegalArgumentException - if this enum type has no constant with the specified name
    
    NullPointerException - if the argument is null
  - toHttpHeaderValue
```
public String toHttpHeaderValue()
```
    Returns:
    
    Value for HTTP Header 'Sec-WebSocket-Version'