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XPathFilterParameterSpec (Java Platform SE 6) - JDK 5 Documentation v6.0, Java 2 SDK 英文文档

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javax.xml.crypto.dsig.spec
Class XPathFilterParameterSpec

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

All Implemented Interfaces:

AlgorithmParameterSpec, TransformParameterSpec

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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

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Constructor Summary
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.

 

Method Summary
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

 

Constructor Detail

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

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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

Method Detail

getXPath

public String getXPath()

Returns the XPath expression to be evaluated.

Returns:

the XPath expression to be evaluated

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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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For further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2006 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.