com.sap.smp.client.httpc.authflows

Interface UsernamePasswordOnChallengeProvider

All Known Subinterfaces:

UsernamePasswordProvider

public interface UsernamePasswordOnChallengeProvider

Convenience superinterface of UsernamePasswordProvider that can be used in case one wishes to react only to challenges and does not want to provide credentials up front like UsernamePasswordProvider supports.

This interface can be used with convenient Java 8 lambda expressions and the CommonAuthFlowsConfigurator.supportBasicAuthUsing(UsernamePasswordOnChallengeProvider) method.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	onCredentialsNeededForChallenge(IReceiveEvent event) This method is called during the HTTP conversation after having received a challenge.

Method Detail

onCredentialsNeededForChallenge

java.lang.Object onCredentialsNeededForChallenge(IReceiveEvent event)

This method is called during the HTTP conversation after having received a challenge. Implementors are expected not to store the credentials within the manager context. Note that returning null from this method also results in cancellation as a challenge has already been received.

Parameters:

event - the receive event, must be non-null

Returns:

either the username-password combination in a UsernamePasswordToken object (allowing the flow to continue), or anything else (including null) which leads to cancellation