JSR-105参考用于签名输出

<?xml version=\"1.0\" encoding=\"UTF-8\"?>
<Signature>
  <SignedInfo>
    <Reference URI=\"#prop\"/> <!-- How can I refer the Object? Isn\'t it the actual output? -->
  </SignedInfo>
  <Object Id=\"prop\"/> 
</Signature>

XMLSignatureFactory

newXXX

Reference

XMLObject

NodeSetData

Object

org.w3c.dom.Document

URIDereferencer