public Signature getSignature() {
        return this.ssoDescriptor.getSignature();
    }
Adapt saml metadata and parse. Acts as a facade.

@param resolver          the resolver
@param registeredService the service
@param request           the request
@return the saml metadata adaptor
support/cas-server-support-saml-idp-core/src/main/java/org/apereo/cas/support/saml/services/idp/metadata/SamlRegisteredServiceMetadataAdaptor.java