com.ibm.xml.crypto.dsig.dom.transform
Class XPathTransformer

java.lang.Object
  javax.xml.crypto.dsig.TransformService
      com.ibm.xml.crypto.dsig.dom.transform.TransformBase
          com.ibm.xml.crypto.dsig.dom.transform.XPathTransformer

All Implemented Interfaces:

Constants, AlgorithmMethod, Transform, XMLStructure

public class XPathTransformer
extends TransformBase
implements Constants

Field Summary

Fields inherited from class com.ibm.xml.crypto.dsig.dom.transform.TransformBase

node, spec

Fields inherited from interface com.ibm.xml.crypto.dsig.Constants

ALG_ECDSA_SHA1, ALG_ESIGN_SHA1, ALG_GSSMIC, ALG_HMAC_MD5, ALG_HMAC_RIPEMD160, ALG_HMAC_SHA1, ALG_HMAC_SHA224, ALG_HMAC_SHA246, ALG_HMAC_SHA384, ALG_HMAC_SHA512, ALG_MD5, ALG_RSA_MD5, ALG_RSA_RIPEMD160, ALG_RSA_SHA256, ALG_RSA_SHA384, ALG_RSA_SHA512, ALG_SHA384, AT_ALGORITHM, AT_ENCODING, AT_ID, AT_MIMETYPE, AT_PREFIXLIST, AT_TARGET, AT_TYPE, AT_URI, AT_URN, AT_VALUE, AT_XPATH2_FILTER, EL_C14NMETHOD, EL_DIGESTMETHOD, EL_DIGESTVALUE, EL_DOMAINPARAMETERS, EL_DSA_G, EL_DSA_J, EL_DSA_P, EL_DSA_PGENCOUNTER, EL_DSA_Q, EL_DSA_SEED, EL_DSA_Y, EL_DSAKEYVALUE, EL_ECDSA_PUBLICKEY, EL_ECDSA_X, EL_ECDSA_Y, EL_ECDSAKEYVALUE, EL_EXPONENT, EL_HMACOUTPUTLENGTH, EL_INCLUSIVENAMESPACES, EL_KEYINFO, EL_KEYNAME, EL_KEYVALUE, EL_MANIFEST, EL_MODULUS, EL_NAMEDCURVE, EL_OBJECT, EL_PGPDATA, EL_PGPKEYID, EL_PGPKEYPACKET, EL_REFERENCE, EL_RETRIEVALMETHOD, EL_RSAKEYVALUE, EL_SIGNATURE, EL_SIGNATUREMETHOD, EL_SIGNATUREPROPERTIES, EL_SIGNATUREPROPERTY, EL_SIGNATUREVALUE, EL_SIGNEDINFO, EL_STYLESHEET, EL_TRANSFORM, EL_TRANSFORMS, EL_X509CERTIFICATE, EL_X509CRL, EL_X509DATA, EL_X509ISSUERNAME, EL_X509ISSUERSERIAL, EL_X509SERIALNUMBER, EL_X509SKI, EL_X509SUBJECTNAME, EL_XPATH, EL_XPATH2_XPATH, NS_DSIG, NS_DSIG_MORE, NS_GSS, NS_INCLUSIVENAMESPACES, NS_XML, NS_XMLNS, NS_XPATH2, NS_XSLT, PREFIX_DSIG, PREFIX_INCLUSIVE, PREFIX_XPATH2, PROP_EMPTY_DIGEST, PROP_INDENT, PROP_INDENT_START, PROP_INDENT_UNIT, XPATH2_FILTER_INTERSECT, XPATH2_FILTER_SUBTRACT, XPATH2_FILTER_UNION

Fields inherited from interface javax.xml.crypto.dsig.Transform

BASE64, ENVELOPED, XPATH, XPATH2, XSLT

Constructor Summary

XPathTransformer()

Method Summary

void	init(TransformParameterSpec spec) Initializes this TransformService with the specified parameters.
void	init(XMLStructure parent, XMLCryptoContext xcontext) Initializes this TransformService with the specified parameters and document context.
void	marshalParams(XMLStructure parent, XMLCryptoContext xcontext) Marshals the algorithm-specific parameters.
Data	transform(Data in, XMLCryptoContext xccontext) Transforms the specified data using the underlying transform algorithm.

Methods inherited from class com.ibm.xml.crypto.dsig.dom.transform.TransformBase

getContext, getNode, getParameterSpec, isFeatureSupported, setNode, toNodeSet, transform

Methods inherited from class javax.xml.crypto.dsig.TransformService

getAlgorithm, getInstance, getInstance, getInstance, getMechanismType, getProvider

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

XPathTransformer

public XPathTransformer()

Method Detail

init

public void init(TransformParameterSpec spec)
          throws java.security.InvalidAlgorithmParameterException

Description copied from class: TransformService

Initializes this TransformService with the specified parameters.

If the parameters exist in XML form, the TransformService.init(XMLStructure, XMLCryptoContext) method should be used to initialize the TransformService.

Overrides:

init in class TransformBase

Parameters:

spec - the algorithm parameters (may be null if not required or optional)

Throws:

java.security.InvalidAlgorithmParameterException - if the specified parameters are invalid for this algorithm

marshalParams

public void marshalParams(XMLStructure parent,
                          XMLCryptoContext xcontext)
                   throws MarshalException

Description copied from class: TransformService

Marshals the algorithm-specific parameters. If there are no parameters to be marshalled, this method returns without throwing an exception.

Overrides:

marshalParams in class TransformBase

Parameters:

parent - a mechanism-specific structure containing the parent node that the marshalled parameters should be appended to

xcontext - may be null

Throws:

MarshalException - if the parameters cannot be marshalled

init

public void init(XMLStructure parent,
                 XMLCryptoContext xcontext)
          throws java.security.InvalidAlgorithmParameterException

Description copied from class: TransformService

Initializes this TransformService with the specified parameters and document context.

Overrides:

init in class TransformBase

Parameters:

xcontext - may be null

parent - a mechanism-specific structure containing the parent structure

Throws:

java.security.InvalidAlgorithmParameterException - if the specified parameters are invalid for this algorithm

transform

public Data transform(Data in,
                      XMLCryptoContext xccontext)
               throws TransformException

Description copied from interface: Transform

Transforms the specified data using the underlying transform algorithm.

Specified by:

transform in interface Transform

Parameters:

in - the data to be transformed

xccontext - the XMLCryptoContext containing additional context (may be null if not applicable)

Returns:

the transformed data

Throws:

TransformException - if an error occurs while executing the transform