Example usage for javax.xml.xpath XPathFactory newXPath

Introduction

In this page you can find the example usage for javax.xml.xpath XPathFactory newXPath.

Prototype

public abstract XPath newXPath();

Source Link

Document

Return a new XPath using the underlying object model determined when the XPathFactory was instantiated.

Usage

From source file:Main.java

public static XPathExpression createXpath(final String xpath) throws XPathExpressionException {
    final XPathFactory xPathfactory = XPathFactory.newInstance();
    final XPath x = xPathfactory.newXPath();
    final XPathExpression expr = x.compile(xpath);

    return expr;/*ww  w  .  j  a  v a  2  s.co  m*/
}

From source file:Main.java

public static Object getXPath(Node node, String xPathString, QName returnType) throws XPathExpressionException {
    XPathFactory xPathFactory = XPathFactory.newInstance();
    XPath xPath = xPathFactory.newXPath();
    XPathExpression expression = xPath.compile(xPathString);
    return expression.evaluate(node, returnType);
}

From source file:Main.java

/**
 * Returns an {@link javax.xml.xpath.XPathExpression} from a string.
 *
 * @param xpathString the XPath string/* w  w  w  .jav a 2s  . c o  m*/
 * @return the {@link javax.xml.xpath.XPathExpression}
 * @throws XPathExpressionException if the given XPath expression is incorrect
 */
public static XPathExpression getXPathExpression(String xpathString) throws XPathExpressionException {

    XPathFactory xPathfactory = XPathFactory.newInstance();
    XPath xpath = xPathfactory.newXPath();

    return xpath.compile(xpathString);
}

From source file:Main.java

public static NodeList evalXpath(InputStream xmlStream, String path) throws XPathExpressionException {
    InputSource inXML = new InputSource(xmlStream);
    XPathFactory xfactory = XPathFactory.newInstance();
    XPath xpath = xfactory.newXPath();
    XPathExpression expr = xpath.compile(path);
    Object result = expr.evaluate(inXML, XPathConstants.NODESET);
    return (NodeList) result;
}

From source file:Main.java

public static Object evaluateXpath(String expression, Object node, QName returnType, NamespaceContext nsContext)
        throws XPathExpressionException {
    XPathFactory xpathFactory = XPathFactory.newInstance();
    XPath xpath = xpathFactory.newXPath();
    if (nsContext != null) {
        xpath.setNamespaceContext(nsContext);
    }/*from   w w  w .jav a 2s  .c o  m*/

    return xpath.evaluate(expression, node, returnType);
}

From source file:Main.java

public static String getValueByXpath(Node doc, String xquery) {
    try {// w  ww .  ja  v a2 s .com
        XPathFactory factory = XPathFactory.newInstance();
        XPath xpath = factory.newXPath();
        XPathExpression expression = xpath.compile(xquery);
        String result = (String) expression.evaluate(doc, XPathConstants.STRING);
        return result;
    } catch (Exception e) {

    }
    return null;
}

From source file:Main.java

private static XPath createXpath() {
    XPathFactory xpathFactory = XPathFactory.newInstance();
    XPath xpath = xpathFactory.newXPath();
    return xpath;
}

From source file:Main.java

public static String getNodeCount(String nodeName, String xmlString) {
    String response = "";
    XPathFactory factory = XPathFactory.newInstance();
    XPath xPath = factory.newXPath();
    try {/*www .j  a  v  a 2  s.c om*/
        XPathExpression xPathExpression = xPath.compile("count(//" + nodeName + ")");
        InputSource is = new InputSource();
        is.setCharacterStream(new StringReader(xmlString));
        response = xPathExpression.evaluate(is);

    } catch (XPathExpressionException e) {
        e.printStackTrace();
    }

    return response;
}

From source file:Main.java

public static NodeList getElementsByXpath(Document docInput, String xPath) throws XPathExpressionException {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xpath = factory.newXPath();
    XPathExpression expr = xpath.compile(xPath);
    return ((NodeList) expr.evaluate(docInput, XPathConstants.NODESET));
}

From source file:Main.java

public static NodeList getNodeListViaXPath(String xpathExpr, String xml) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = factory.newDocumentBuilder();
    Document doc = builder.parse(xml);
    XPathFactory xPathfactory = XPathFactory.newInstance();
    XPath xpath = xPathfactory.newXPath();
    XPathExpression expr = xpath.compile(xpathExpr);

    NodeList nl = (NodeList) expr.evaluate(doc, XPathConstants.NODESET);

    return nl;/*from   ww  w.  ja  va2s.  co  m*/
}