io.undertow.protocols.alpn

Interface ALPNProvider

All Known Implementing Classes:

JDK8HackAlpnProvider, JDK9AlpnProvider, JettyAlpnProvider, OpenSSLAlpnProvider

public interface ALPNProvider

Interface that allows for ALPN providers to be dynamically selected. THIS API IS TECH PREVIEW It will not be finalised until JDK9 has been released and the JDK9 ALPN API is 100% confirmed

Author:

Stuart Douglas

Method Summary

Modifier and Type	Method and Description
int	getPriority()
String	getSelectedProtocol(SSLEngine engine) Gets the selected ALPN protocol, of null if none was selected.
boolean	isEnabled(SSLEngine sslEngine)
SSLEngine	setProtocols(SSLEngine engine, String[] protocols) Sets the SSL protocols, and potentially wraps the SSLEngine

Method Detail

isEnabled

boolean isEnabled(SSLEngine sslEngine)

setProtocols

SSLEngine setProtocols(SSLEngine engine,
                       String[] protocols)

Sets the SSL protocols, and potentially wraps the SSLEngine

Parameters:

engine - The original engine

protocols - The protocols

Returns:

The new SSLEngine

getSelectedProtocol

String getSelectedProtocol(SSLEngine engine)

Gets the selected ALPN protocol, of null if none was selected.

Parameters:

engine - The SSL Engine

Returns:

The selected protocol

getPriority

int getPriority()

Returns:

The priority of this provider, higher priority providers will be tried first