AlgorithmMethod
, XMLStructure
CanonicalizationMethod
TransformService
public interface Transform extends XMLStructure, AlgorithmMethod
Transform
element as defined in the W3C Recommendation for XML-Signature Syntax and Processing. The XML Schema Definition is defined as: <element name="Transform" type="ds:TransformType"/> <complexType name="TransformType" mixed="true"> <choice minOccurs="0" maxOccurs="unbounded"> <any namespace="##other" processContents="lax"/> <!-- (1,1) elements from (0,unbounded) namespaces --> <element name="XPath" type="string"/> </choice> <attribute name="Algorithm" type="anyURI" use="required"/> </complexType>A
Transform
instance may be created by invoking the newTransform
method of the XMLSignatureFactory
class.Modifier and Type | Field | Description |
---|---|---|
static final String |
BASE64 |
The Base64 transform algorithm URI. |
static final String |
ENVELOPED |
The Enveloped Signature transform algorithm URI. |
static final String |
XPATH |
The XPath transform algorithm URI. |
static final String |
XPATH2 |
The XPath Filter 2 transform algorithm URI. |
static final String |
XSLT |
The XSLT transform algorithm URI. |
Modifier and Type | Method | Description |
---|---|---|
AlgorithmParameterSpec |
getParameterSpec() |
Returns the algorithm-specific input parameters associated with this Transform . |
Data |
transform |
Transforms the specified data using the underlying transform algorithm. |
Data |
transform |
Transforms the specified data using the underlying transform algorithm. |
getAlgorithm
isFeatureSupported
static final String BASE64
static final String ENVELOPED
static final String XPATH
static final String XPATH2
static final String XSLT
AlgorithmParameterSpec getParameterSpec()
Transform
. The returned parameters can be typecast to a TransformParameterSpec
object.
getParameterSpec
in interface AlgorithmMethod
null
if not specified)Data transform(Data data, XMLCryptoContext context) throws TransformException
data
- the data to be transformedcontext
- the XMLCryptoContext
containing additional context (may be null
if not applicable)NullPointerException
- if data
is null
TransformException
- if an error occurs while executing the transformData transform(Data data, XMLCryptoContext context, OutputStream os) throws TransformException
OctetStreamData
, then this method returns null
and the bytes are written to the specified OutputStream
. Otherwise, the OutputStream
is ignored and the method behaves as if transform(Data, XMLCryptoContext)
were invoked.data
- the data to be transformedcontext
- the XMLCryptoContext
containing additional context (may be null
if not applicable)os
- the OutputStream
that should be used to write the transformed data tonull
if the data was written to the OutputStream
parameter)NullPointerException
- if data
or os
is null
TransformException
- if an error occurs while executing the transform
© 1993, 2023, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
https://docs.oracle.com/en/java/javase/21/docs/api/java.xml.crypto/javax/xml/crypto/dsig/Transform.html