类层次结构
- java.lang.Object 
       
- java.lang.Throwable (implements java.io.Serializable) 
         
- java.lang.异常 
           
- javax.xml.crypto.dsig.TransformException
 - javax.xml.crypto.dsig.XMLSignatureException
 
 
 - java.lang.异常 
           
 - javax.xml.crypto.dsig.TransformService (implements javax.xml.crypto.dsig.Transform)
 - javax.xml.crypto.dsig.XMLSignatureFactory
 
 - java.lang.Throwable (implements java.io.Serializable) 
         
 
Interface Hierarchy
- javax.xml.crypto.AlgorithmMethod 
       
- javax.xml.crypto.dsig.DigestMethod (also extends javax.xml.crypto.XMLStructure)
 - javax.xml.crypto.dsig.SignatureMethod (also extends javax.xml.crypto.XMLStructure)
 - javax.xml.crypto.dsig.Transform (also extends javax.xml.crypto.XMLStructure) 
         
- javax.xml.crypto.dsig.CanonicalizationMethod
 
 
 - javax.xml.crypto.URIReference 
       
- javax.xml.crypto.dsig.Reference (also extends javax.xml.crypto.XMLStructure)
 
 - javax.xml.crypto.XMLCryptoContext 
       
- javax.xml.crypto.dsig.XMLSignContext
 - javax.xml.crypto.dsig.XMLValidateContext
 
 - javax.xml.crypto.XMLStructure 
       
- javax.xml.crypto.dsig.DigestMethod (also extends javax.xml.crypto.AlgorithmMethod)
 - javax.xml.crypto.dsig.Manifest
 - javax.xml.crypto.dsig.Reference (also extends javax.xml.crypto.URIReference)
 - javax.xml.crypto.dsig.SignatureMethod (also extends javax.xml.crypto.AlgorithmMethod)
 - javax.xml.crypto.dsig.SignatureProperties
 - javax.xml.crypto.dsig.SignatureProperty
 - javax.xml.crypto.dsig.SignedInfo
 - javax.xml.crypto.dsig.Transform (also extends javax.xml.crypto.AlgorithmMethod) 
         
- javax.xml.crypto.dsig.CanonicalizationMethod
 
 - javax.xml.crypto.dsig.XMLObject
 - javax.xml.crypto.dsig.XMLSignature
 - javax.xml.crypto.dsig.XMLSignature.SignatureValue