- java.lang.Object
- javax.xml.crypto.dsig.spec.XPathType
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
Nested Class Summary
Nested Classes Modifier and Type Class Description static class
XPathType.Filter
Represents the filter set operation.
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.
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.
Constructor Detail
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
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
Method Detail
getExpression
public String getExpression()
Returns the XPath expression to be evaluated.- Returns:
- the XPath expression to be evaluated
getFilter
public XPathType.Filter getFilter()
Returns the filter operation.- Returns:
- the filter operation
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
)