Java Utililty Methods XPath Select

List of utility methods to do XPath Select

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Description

The list of methods to do XPath Select are organized into topic(s).

Method

StringselectString(String xpath, Object node)
select String 
return ((String) evaluateXPath(xpath, node, XPathConstants.STRING)).trim();
ListselectStrings(String xpath, Object node)
select Strings 
List<String> values = new ArrayList<String>();
for (Node it : selectNodes(xpath, node)) {
    String textContent = getTextContent(it);
    if (textContent.length() > 0) {
        values.add(textContent);
return values;
...
StringselectXPathString(final String xPath, final Node inNode, final String nsuri, final String pre)
select X Path String 
return (String) getNodesListXpath(xPath, inNode, nsuri, pre, XPathConstants.STRING);
ListxmlSelectNodes(Node node, String xpathExpression)
Oh, for a decent xml library ;). 
List list = new LinkedList();
String path[] = split(xpathExpression, "/");
xmlSelectNodes0(list, node, path, 0);
return list;
NodeListXPathAPI_selectNodeList(Document doc, String xpath, Node namespaceNode)
X Path APselect Node List 
XPathFactory factory = XPathFactory.newInstance();
XPath xPath = factory.newXPath();
setNamespace(xPath, xpath);
try {
    XPathExpression xPathExpression = xPath.compile(xpath);
    return (NodeList) xPathExpression.evaluate(doc, XPathConstants.NODESET);
} catch (XPathExpressionException e) {
    throw new TransformerException("Exception in XPathAPI_selectNodeList: " + xpath, e);
...
NodexpathNode(String expr, Document doc)
xpath Node 
try {
    return (Node) xpath.evaluate(expr, doc, XPathConstants.NODE);
} catch (Exception e) {
    throw new RuntimeException("Cannot evaluate XPath:", e);
NodeListxpathNodeList(String expr, Document doc)
xpath Node List 
return (NodeList) xpath.evaluate(expr, doc, XPathConstants.NODESET);
StringxpathOrNull(Document doc, String xp)
Evaluate an XPath against a Document, returning a String. 
XPathFactory factory = XPathFactory.newInstance();
XPath xpath = factory.newXPath();
try {
    XPathExpression expr = xpath.compile(xp);
    return expr.evaluate(doc);
} catch (XPathExpressionException e) {
    return null;
StringxpathString(String expr, Document doc)
xpath String 
return (String) xpath.evaluate(expr, doc, XPathConstants.STRING);
NodexpathToNode(Document document, String xpathExpression)
xpath To Node 
XPath xpath = createXPath();
return (Node) xpath.evaluate(xpathExpression, document, XPathConstants.NODE);