Example usage for javax.xml.xpath XPath evaluate

Introduction

In this page you can find the example usage for javax.xml.xpath XPath evaluate.

Prototype

public Object evaluate(String expression, InputSource source, QName returnType) throws XPathExpressionException;

Source Link

Document

Evaluate an XPath expression in the context of the specified InputSource and return the result as the specified type.

Usage

From source file:Main.java

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

    XPathFactory xpf = XPathFactory.newInstance();
    XPath xpath = xpf.newXPath();
    String health = (String) xpath.evaluate("/game/health", xml, XPathConstants.STRING);
    System.out.println(health);/*from   w ww .j  a va  2 s. c o  m*/
}

From source file:GetSeriesId.java

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

    Double result = (Double) xPath.evaluate("/schedule/@seriesId", new InputSource(new FileReader("tds.xml")),
            XPathConstants.NUMBER);
    System.out.println(result.intValue());
}

From source file:GuestListCounter.java

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

    Number shows = (Number) xPath.evaluate("count(/schedule/show)", new InputSource(new FileReader("tds.xml")),
            XPathConstants.NUMBER);
    System.out.println("Document has " + shows.intValue() + " shows.");
}

From source file:GetNameAsAttr.java

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

    Attr result = (Attr) xPath.evaluate("/schedule/@name", new InputSource(new FileReader("tds.xml")),
            XPathConstants.NODE);
    System.out.println(result.getValue());

    result.setValue("The Colbert Report");

}

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("data.xml"));

    XPathFactory xpathFactory = XPathFactory.newInstance();
    XPath xpath = xpathFactory.newXPath();
    Element element = (Element) xpath.evaluate("//node3/name", document, XPathConstants.NODE);
}

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    Document retval = dbf.newDocumentBuilder().newDocument();
    Element parent = retval.createElement("parent");
    retval.appendChild(parent);/*  w  w w  . j  a  v a  2s.  co  m*/

    Element child1 = retval.createElement("child");
    child1.setTextContent("child.text");
    parent.appendChild(child1);
    Element child2 = retval.createElement("child");
    child2.setTextContent("child.text.2");
    parent.appendChild(child2);

    XPathFactory factory = XPathFactory.newInstance();
    XPath xPath = factory.newXPath();
    System.out.println(xPath.evaluate("//child/text()", retval, XPathConstants.NODE).getClass());

}

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 {
    XPath xpath = XPathFactory.newInstance().newXPath();
    NodeList nodes = (NodeList) xpath.evaluate("/bookshelf/shelf/book/*",
            new InputSource(Main.class.getResourceAsStream("/books.xml")), XPathConstants.NODESET);
    System.out.println("First  node: " + nodes.item(0));
    System.out.println("Second node: " + nodes.item(1));
}

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"));
}