Package org.apache.xml.security.utils
Interface XPathAPI
- All Known Implementing Classes:
JDKXPathAPI
,XalanXPathAPI
public interface XPathAPI
An interface to abstract XPath evaluation
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Method Summary
Modifier and TypeMethodDescriptionvoid
clear()
Clear any context information from this objectboolean
Evaluate an XPath string and return true if the output is to be included or not.selectNodeList
(Node contextNode, Node xpathnode, String str, Node namespaceNode) Use an XPath string to select a nodelist.
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Method Details
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selectNodeList
NodeList selectNodeList(Node contextNode, Node xpathnode, String str, Node namespaceNode) throws TransformerException Use an XPath string to select a nodelist. XPath namespace prefixes are resolved from the namespaceNode.- Parameters:
contextNode
- The node to start searching from.xpathnode
-str
-namespaceNode
- The node from which prefixes in the XPath will be resolved to namespaces.- Returns:
- A NodeIterator, should never be null.
- Throws:
TransformerException
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evaluate
boolean evaluate(Node contextNode, Node xpathnode, String str, Node namespaceNode) throws TransformerException Evaluate an XPath string and return true if the output is to be included or not.- Parameters:
contextNode
- The node to start searching from.xpathnode
- The XPath nodestr
- The XPath expressionnamespaceNode
- The node from which prefixes in the XPath will be resolved to namespaces.- Throws:
TransformerException
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clear
void clear()Clear any context information from this object
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