question: private static XMLSignatureInput resolveInput ( RetrievalMethod rm , String baseURI , boolean secureValidation ) throws XMLSecurityException { Attr uri = rm . getURIAttr ( ) ; Transforms transforms = rm . getTransforms ( ) ; ResourceResolver resRes = ResourceResolver . getInstance ( uri , baseURI , secureValidation ) ; XMLSignatureInput resource = resRes . resolve ( uri , baseURI , secureValidation ) ; if ( transforms != null ) { if ( log . isLoggable ( java . util . logging . Level . FINE ) ) { log . log ( java . util . logging . Level . FINE , "We have Transforms" ) ; } resource = transforms . performTransforms ( resource ) ; } return resource ; }
target:  Resolves the input from the given retrieval method