Sending API responses
AuthnApiSupport provides several methods for writing API responses.
The following example shows how the TemplateRenderAdapter writes the response for the USER_ATTRIBUTES_REQUIRED state.
private void renderApiResponse(HttpServletRequest req, HttpServletResponse resp, Map<String, Object> inParameters) throws AuthnAdapterException
{
UserAttributesRequired model = new UserAttributesRequired();
model.setAttributeNames(new ArrayList<>(extendedAttr));
AuthnState<UserAttributesRequired> authnState = apiSupport.makeAuthnState(req, StateSpec.USER_ATTRIBUTES_REQUIRED, model);
try
{
apiSupport.writeAuthnStateResponse(req, resp, authnState);
}
catch (IOException e)
{
throw new AuthnAdapterException(e);
}
}
The makeAuthnState() method takes an AuthnStateSpec and an instance of the model for that state and builds an AuthnState object. The AuthnState object can then be further modified. For example, you could remove an action that is not currently applicable using the removeAction() method. Then you write the AuthnState object to the response using the writeAuthnStateResponse() method.