Package io.undertow.websockets.core
Enum WebSocketVersion
- java.lang.Object
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- java.lang.Enum<WebSocketVersion>
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- io.undertow.websockets.core.WebSocketVersion
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- All Implemented Interfaces:
Serializable
,Comparable<WebSocketVersion>
public enum WebSocketVersion extends Enum<WebSocketVersion>
Enum which list all the different versions of the WebSocket specification (to the current date).
A specification is tied to one wire protocol version but a protocol version may have use by more than 1 version of the specification.
- Author:
- Norman Maurer
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Field Summary
Fields Modifier and Type Field Description static AttachmentKey<WebSocketVersion>
ATTACHMENT_KEY
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description String
toHttpHeaderValue()
Returns aString
representation of theWebSocketVersion
that can be used in the HTTP Headers.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.
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Enum Constant Detail
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UNKNOWN
public static final WebSocketVersion UNKNOWN
Unknown version of the protocol
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V00
public static final WebSocketVersion V00
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V07
public static final WebSocketVersion V07
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V08
public static final WebSocketVersion V08
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V13
public static final WebSocketVersion V13
RFC 6455. This was originally draft-ietf-hybi-thewebsocketprotocol- 17
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Field Detail
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ATTACHMENT_KEY
public static final AttachmentKey<WebSocketVersion> ATTACHMENT_KEY
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Method Detail
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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
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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 nameNullPointerException
- if the argument is null
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toHttpHeaderValue
public String toHttpHeaderValue()
Returns aString
representation of theWebSocketVersion
that can be used in the HTTP Headers.
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