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 void main(String[] args) throws Exception {
    String xml = "<?xml version='1.0' encoding='UTF-8'?><users><user id='0' firstname='John'/></users>";

    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    DocumentBuilder db = dbf.newDocumentBuilder();
    Document document = db.parse(new InputSource(new StringReader(xml)));

    XPathFactory xpf = XPathFactory.newInstance();
    XPath xpath = xpf.newXPath();
    Element userElement = (Element) xpath.evaluate("/users/user", document, XPathConstants.NODE);
    System.out.println(userElement.getAttribute("id"));
    System.out.println(userElement.getAttribute("firstname"));
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
    DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
    Document document = docBuilder.parse(new File("filename.xml"));

    XPathFactory xpathFactory = XPathFactory.newInstance();
    XPath xpath = xpathFactory.newXPath();
    Element element = (Element) xpath.evaluate("//*[@id='one']", document, XPathConstants.NODE);
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    String xmlfile = "data.xml";
    DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
    DocumentBuilder docBuilder = docFactory.newDocumentBuilder();
    Document doc = docBuilder.parse(xmlfile);

    XPathFactory xpathFactory = XPathFactory.newInstance();
    XPath xpath = xpathFactory.newXPath();
    Element element = (Element) xpath.evaluate("/root/param[@name='name2']", doc, XPathConstants.NODE);
    System.out.println(element.getTextContent());
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    Document doc = factory.newDocumentBuilder().parse(new File("Sample.xml"));
    XPathFactory xFactory = XPathFactory.newInstance();
    XPath xPath = xFactory.newXPath();
    XPathExpression exp = xPath.compile(
            "/article/body/section/region[contains(translate(text(), 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'), 'perfect')]");
    NodeList nl = (NodeList) exp.evaluate(doc.getFirstChild(), XPathConstants.NODESET);
    for (int index = 0; index < nl.getLength(); index++) {
        Node node = nl.item(index);
        System.out.println(node.getTextContent());
    }/*from ww w  .  j  a va2 s  .c om*/
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xPath = factory.newXPath();

    NodeList shows = (NodeList) xPath.evaluate("/schedule/show", new InputSource(new FileReader("tds.xml")),
            XPathConstants.NODESET);
    for (int i = 0; i < shows.getLength(); i++) {
        Element show = (Element) shows.item(i);
        String guestName = xPath.evaluate("guest/name", show);
        System.out.println(guestName);
        System.out.println(show.getAttribute("weekday") + ", " + show.getAttribute("date"));
    }/*from w  w  w .j  a  v  a 2 s .c  om*/

}

From source file:Main.java

public static void main(String[] args) throws Exception {
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    Document document = dbf.newDocumentBuilder().parse(new File("input.xml"));

    XPathFactory xpf = XPathFactory.newInstance();
    XPath xpath = xpf.newXPath();
    XPathExpression expression = xpath.compile("//data/user/username[text()='simple']");
    Node b13Node = (Node) expression.evaluate(document, XPathConstants.NODE);
    b13Node = b13Node.getParentNode();
    b13Node.getParentNode().removeChild(b13Node);

    TransformerFactory tf = TransformerFactory.newInstance();
    Transformer t = tf.newTransformer();
    t.transform(new DOMSource(document), new StreamResult(System.out));
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    XPathFactory xpf = XPathFactory.newInstance();
    XPath xp = xpf.newXPath();
    xp.setNamespaceContext(new MyNamespaceContext());
    XPathExpression xpe = xp.compile("ns:feed/ns:entry");
    FileInputStream xmlStream = new FileInputStream("input.xml");
    InputSource xmlInput = new InputSource(xmlStream);
    Element result = (Element) xpe.evaluate(xmlInput, XPathConstants.NODE);
    System.out.println(result);/*from www  . ja v a2 s .  c o  m*/
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    XPathFactory xpf = XPathFactory.newInstance();
    XPath xPath = xpf.newXPath();
    XPathExpression schoolNameExpression = xPath.compile("SchoolName");
    XPathExpression classNameExpression = xPath.compile("Classes/Class/ClassName");

    InputSource inputSource = new InputSource("input.xml");
    NodeList schoolNodes = (NodeList) xPath.evaluate("/Data/Schools/School", inputSource,
            XPathConstants.NODESET);
    for (int x = 0; x < schoolNodes.getLength(); x++) {
        Node schoolElement = schoolNodes.item(x);
        System.out.println(schoolNameExpression.evaluate(schoolElement, XPathConstants.STRING));
        NodeList classNames = (NodeList) classNameExpression.evaluate(schoolElement, XPathConstants.NODESET);
        for (int y = 0; y < classNames.getLength(); y++) {
            System.out.println(classNames.item(y).getTextContent());
        }//from   w  w  w .j a va 2s .  c om
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    Document document = dbf.newDocumentBuilder().parse(new File("input.xml"));

    XPathFactory xpf = XPathFactory.newInstance();
    XPath xpath = xpf.newXPath();
    XPathExpression expression = xpath.compile("//A/B[C/E/text()=13]");

    Node b13Node = (Node) expression.evaluate(document, XPathConstants.NODE);
    b13Node.getParentNode().removeChild(b13Node);

    TransformerFactory tf = TransformerFactory.newInstance();
    Transformer t = tf.newTransformer();
    t.transform(new DOMSource(document), new StreamResult(System.out));
}

From source file:GuestList.java

public static void main(String[] args) throws Exception {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xPath = factory.newXPath();

    NodeList shows = (NodeList) xPath.evaluate("/schedule/show", new InputSource(new FileReader("tds.xml")),
            XPathConstants.NODESET);
    for (int i = 0; i < shows.getLength(); i++) {
        Element show = (Element) shows.item(i);
        String guestName = xPath.evaluate("guest/name", show);
        String guestCredit = xPath.evaluate("guest/credit", show);

        System.out.println(show.getAttribute("weekday") + ", " + show.getAttribute("date") + " - " + guestName
                + " (" + guestCredit + ")");
    }/*from  w  w w.jav  a  2 s. co  m*/

}