| XPathExpression | javax.xml.xpath |
If an XPath expression is to be evaluated more
than once, it is not efficient to call the XPath.evaluate(
) method repeatedly. Instead, compile the expression to an
XPathExpression using the XPath.compile(
) method and then evaluate it using one of the
evaluate( ) methods of
XPathExpression. The evaluate(
) methods of XPathExpression behave just
like the corresponding methods of XPath. See
XPath for details.public interface XPathExpression {
// Public Instance Methods
String evaluate (org.xml.sax.InputSource source )
throws XPathExpressionException;
String evaluate (Object item ) throws XPathExpressionException;
Object evaluate (Object item , javax.xml.namespace.QName returnType )
throws XPathExpressionException;
Object evaluate (org.xml.sax.InputSource source , javax.xml.namespace.
QName returnType ) throws XPathExpressionException;
}
Returned By
XPath.compile( ) |
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