@Override
    public boolean supports(final SamlRegisteredService service) {
        if (service != null) {
            val metadataLocation = service.getMetadataLocation();
            return StringUtils.isNotBlank(metadataLocation) && metadataLocation.trim().startsWith("dynamodb://");
        }
        return false;
    }
This is {@link DynamoDbSamlRegisteredServiceMetadataResolver}.

@author Misagh Moayyed
@since 7.2.0
support/cas-server-support-saml-idp-metadata-dynamodb/src/main/java/org/apereo/cas/support/saml/metadata/resolver/DynamoDbSamlRegisteredServiceMetadataResolver.java