- java.lang.Object
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- javax.xml.crypto.dsig.spec.XPathType
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public class XPathType extends Object
The XML Schema Definition of theXPath
element as defined in the W3C Recommendation for XML-Signature XPath Filter 2.0:<schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:xf="http://www.w3.org/2002/06/xmldsig-filter2" targetNamespace="http://www.w3.org/2002/06/xmldsig-filter2" version="0.1" elementFormDefault="qualified"> <element name="XPath" type="xf:XPathType"/> <complexType name="XPathType"> <simpleContent> <extension base="string"> <attribute name="Filter"> <simpleType> <restriction base="string"> <enumeration value="intersect"/> <enumeration value="subtract"/> <enumeration value="union"/> </restriction> </simpleType> </attribute> </extension> </simpleContent> </complexType>
- Since:
- 1.6
- See Also:
XPathFilter2ParameterSpec
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
XPathType.Filter
Represents the filter set operation.
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Constructor Summary
Constructors Constructor Description XPathType(String expression, XPathType.Filter filter)
Creates anXPathType
instance with the specified XPath expression and filter.XPathType(String expression, XPathType.Filter filter, Map<String,String> namespaceMap)
Creates anXPathType
instance with the specified XPath expression, filter, and namespace map.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description String
getExpression()
Returns the XPath expression to be evaluated.XPathType.Filter
getFilter()
Returns the filter operation.Map<String,String>
getNamespaceMap()
Returns a map of namespace prefixes.
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Constructor Detail
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XPathType
public XPathType(String expression, XPathType.Filter filter)
Creates anXPathType
instance with the specified XPath expression and filter.- Parameters:
expression
- the XPath expression to be evaluatedfilter
- the filter operation (XPathType.Filter.INTERSECT
,XPathType.Filter.SUBTRACT
, orXPathType.Filter.UNION
)- Throws:
NullPointerException
- ifexpression
orfilter
isnull
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XPathType
public XPathType(String expression, XPathType.Filter filter, Map<String,String> namespaceMap)
Creates anXPathType
instance with the specified XPath expression, filter, and namespace map. The map is copied to protect against subsequent modification.- Parameters:
expression
- the XPath expression to be evaluatedfilter
- the filter operation (XPathType.Filter.INTERSECT
,XPathType.Filter.SUBTRACT
, orXPathType.Filter.UNION
)namespaceMap
- the map of namespace prefixes. Each key is a namespace prefixString
that maps to a corresponding namespace URIString
.- Throws:
NullPointerException
- ifexpression
,filter
ornamespaceMap
arenull
ClassCastException
- if any of the map's keys or entries are not of typeString
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Method Detail
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getExpression
public String getExpression()
Returns the XPath expression to be evaluated.- Returns:
- the XPath expression to be evaluated
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getFilter
public XPathType.Filter getFilter()
Returns the filter operation.- Returns:
- the filter operation
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getNamespaceMap
public Map<String,String> getNamespaceMap()
Returns a map of namespace prefixes. Each key is a namespace prefixString
that maps to a corresponding namespace URIString
.This implementation returns an
unmodifiable map
.- Returns:
- a
Map
of namespace prefixes to namespace URIs (may be empty, but nevernull
)
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