Class XPathFilterParameterSpec

java.lang.Object
- javax.xml.crypto.dsig.spec.XPathFilterParameterSpec

All Implemented Interfaces:: AlgorithmParameterSpec, TransformParameterSpec

public final class XPathFilterParameterSpec
extends Object
implements TransformParameterSpec

Parameters for the XPath Filtering Transform Algorithm. The parameters include the XPath expression and an optional Map of additional namespace prefix mappings. The XML Schema Definition of the XPath Filtering transform parameters is defined as:

<element name="XPath" type="string"/>

Since:: 1.6
See Also:: Transform

Constructors

Constructor and Description
`XPathFilterParameterSpec(String xPath)` Creates an `XPathFilterParameterSpec` with the specified XPath expression.
`XPathFilterParameterSpec(String xPath, Map namespaceMap)` Creates an `XPathFilterParameterSpec` with the specified XPath expression and namespace map.

Methods

Modifier and Type	Method and Description
`Map`	`getNamespaceMap()` Returns a map of namespace prefixes.
`String`	`getXPath()` Returns the XPath expression to be evaluated.

Methods inherited from class java.lang.Object

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

Constructors

XPathFilterParameterSpec

public XPathFilterParameterSpec(String xPath)

Creates an XPathFilterParameterSpec with the specified XPath expression.

Parameters:: xPath - the XPath expression to be evaluated
Throws:: NullPointerException - if xPath is null

XPathFilterParameterSpec

public XPathFilterParameterSpec(String xPath,
                                Map namespaceMap)

Creates an XPathFilterParameterSpec with the specified XPath expression and namespace map. The map is copied to protect against subsequent modification.

Parameters:: xPath - the XPath expression to be evaluated; namespaceMap - the map of namespace prefixes. Each key is a namespace prefix String that maps to a corresponding namespace URI String.
Throws:: NullPointerException - if xPath or namespaceMap are null; ClassCastException - if any of the map's keys or entries are not of type String

Methods

getXPath

public String getXPath()

Returns the XPath expression to be evaluated.

Returns:: the XPath expression to be evaluated

getNamespaceMap

public Map getNamespaceMap()

Returns a map of namespace prefixes. Each key is a namespace prefix String that maps to a corresponding namespace URI String.

This implementation returns an unmodifiable map.

Returns:: a Map of namespace prefixes to namespace URIs (may be empty, but never null)

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https://docs.oracle.com/javase/8/docs/api/javax/xml/crypto/dsig/spec/XPathFilterParameterSpec.html