/**
* @param ns
* @param xpathExpression
* @return the parsed string as {@link XPathExpression}
*/
public static XPathExpression toExpression(Map<String, String> ns, String xpathExpression) {
try {
XPathFactory xpathFactory = XPathFactory.newInstance();
XPath xpath = xpathFactory.newXPath();
if (ns.size() > 0) {
xpath.setNamespaceContext(toNsContext(ns));
}
XPathExpression expr = xpath.compile(xpathExpression);
return expr;
} catch (XPathExpressionException e) {
throw new IllegalArgumentException(
"xPath expression can not be compiled: " + xpathExpression, e);
}
}
