Package org.springframework.web.socket.server.jetty

Class JettyRequestUpgradeStrategy

java.lang.Object

org.springframework.web.socket.server.jetty.JettyRequestUpgradeStrategy

All Implemented Interfaces:

RequestUpgradeStrategy

public class JettyRequestUpgradeStrategy
extends Object
implements RequestUpgradeStrategy

A RequestUpgradeStrategy for Jetty 11.

Since:

5.3.4

Author:

Rossen Stoyanchev

Constructor Summary

Constructors

Constructor	Description
JettyRequestUpgradeStrategy()

Method Summary

Modifier and Type	Method	Description
List<WebSocketExtension>	getSupportedExtensions(ServerHttpRequest request)	Return the WebSocket protocol extensions supported by the underlying WebSocket server.
String[]	getSupportedVersions()	Return the supported WebSocket protocol versions.
void	upgrade(ServerHttpRequest request, ServerHttpResponse response, String selectedProtocol, List<WebSocketExtension> selectedExtensions, Principal user, WebSocketHandler handler, Map<String,Object> attributes)	Perform runtime specific steps to complete the upgrade.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

JettyRequestUpgradeStrategy

public JettyRequestUpgradeStrategy()

Method Details

getSupportedVersions

public String[] getSupportedVersions()

Description copied from interface: RequestUpgradeStrategy

Return the supported WebSocket protocol versions.

Specified by:

getSupportedVersions in interface RequestUpgradeStrategy

getSupportedExtensions

public List<WebSocketExtension> getSupportedExtensions(ServerHttpRequest request)

Description copied from interface: RequestUpgradeStrategy

Return the WebSocket protocol extensions supported by the underlying WebSocket server.

Specified by:

getSupportedExtensions in interface RequestUpgradeStrategy

upgrade

public void upgrade(ServerHttpRequest request,
 ServerHttpResponse response,
 @Nullable
 String selectedProtocol,
 List<WebSocketExtension> selectedExtensions,
 @Nullable
 Principal user,
 WebSocketHandler handler,
 Map<String,Object> attributes)
             throws HandshakeFailureException

Description copied from interface: RequestUpgradeStrategy

Perform runtime specific steps to complete the upgrade. Invoked after successful negotiation of the handshake request.

Specified by:

upgrade in interface RequestUpgradeStrategy

Parameters:

request - the current request

response - the current response

selectedProtocol - the selected sub-protocol, if any

selectedExtensions - the selected WebSocket protocol extensions

user - the user to associate with the WebSocket session

handler - the handler for WebSocket messages

attributes - handshake request specific attributes to be set on the WebSocket session via HandshakeInterceptor and thus made available to the WebSocketHandler

Throws:

HandshakeFailureException - thrown when handshake processing failed to complete due to an internal, unrecoverable error, i.e. a server error as opposed to a failure to successfully negotiate the requirements of the handshake request.