io.netty.handler.ssl

Interface JdkApplicationProtocolNegotiator.ProtocolSelector

Enclosing interface:

JdkApplicationProtocolNegotiator

public static interface JdkApplicationProtocolNegotiator.ProtocolSelector

Interface to define the role of an application protocol selector in the SSL handshake process. Either unsupported() OR select(List) will be called for each SSL handshake.

Method Summary

Modifier and Type	Method and Description
String	select(List<String> protocols) Callback invoked to select the application level protocol from the protocols provided.
void	unsupported() Callback invoked to let the application know that the peer does not support this ApplicationProtocolNegotiator.

Method Detail

unsupported

void unsupported()

Callback invoked to let the application know that the peer does not support this ApplicationProtocolNegotiator.

select

String select(List<String> protocols)
       throws Exception

Callback invoked to select the application level protocol from the protocols provided.

Parameters:

protocols - the protocols sent by the protocol advertiser

Returns:

the protocol selected by this JdkApplicationProtocolNegotiator.ProtocolSelector. A null value will indicate the no protocols were selected but the handshake should not fail. The decision to fail the handshake is left to the other end negotiating the SSL handshake.

Throws:

Exception - If the protocols provide warrant failing the SSL handshake with a fatal alert.