Package org.apache.xml.security.utils
Class XalanXPathAPI
- java.lang.Object
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- org.apache.xml.security.utils.XalanXPathAPI
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Constructor Summary
Constructors Constructor Description XalanXPathAPI()
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description void
clear()
Clear any context information from this objectboolean
evaluate(Node contextNode, Node xpathnode, String str, Node namespaceNode)
Evaluate an XPath string and return true if the output is to be included or not.static boolean
isInstalled()
NodeList
selectNodeList(Node contextNode, Node xpathnode, String str, Node namespaceNode)
Use an XPath string to select a nodelist.
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Method Detail
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selectNodeList
public 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.- Specified by:
selectNodeList
in interfaceXPathAPI
- 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
public 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.- Specified by:
evaluate
in interfaceXPathAPI
- 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
public void clear()
Clear any context information from this object
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isInstalled
public static boolean isInstalled()
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