This Callback is intended for X.509 certificate validation
A validator that implements the CertificateValidator interface
should be set on the callback by the callback handler.
Callback implementation for dynamic policy resolution.
A DynamicPolicy Callback is made by the XWS-runtime to
allow the application/Handler to decide the incoming/outgoing
SecurityPolicy at runtime.
When the SecurityPolicy set on the Callback is a DynamicSecurityPolicy then
the CallbackHandler is currently expected to set a com.sun.xml.wss.impl.configuration.MessagePolicy
instance as the resolved policy.
This callback is an optional callback that can be handled by an
implementation of CallbackHandler to specify the values of properties
configurable with XWS-Security runtime.