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

/**
 * convenience method to generate an XPathExpression object from a string representing an Xpath
 * @param pathstring the string// w w  w .j  av  a  2 s. c  o  m
 * @return an Xpath object, or null if there was an exception
 */
public static XPathExpression makeXPathFromString(String pathstring) {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xpath = factory.newXPath();
    XPathExpression expr = null;
    try {
        expr = xpath.compile(pathstring);
    } catch (XPathExpressionException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();

    }
    return expr;
}

From source file:Main.java

public static Object getByXPath(Node parentNode, NamespaceContext context, String xPathExpression, QName type)
        throws XPathExpressionException {
    XPathFactory xPathFactory = xPathFactoryCache.get();
    XPath xPath = xPathFactory.newXPath();
    xPath.setNamespaceContext(context);/*from  w  ww .j av  a 2 s  .c o  m*/
    return xPath.evaluate(xPathExpression, parentNode, type);
}

From source file:Main.java

private static Object getValue(final String xpathExpression, final Node node, final QName type,
        final NamespaceContext nsContext) throws XPathExpressionException {

    final XPathFactory factory = XPathFactory.newInstance();
    final XPath xpath = factory.newXPath();
    xpath.setNamespaceContext(nsContext);
    return xpath.evaluate(xpathExpression, node, type);
}

From source file:Main.java

public static NodeList executeXpathQuery(Node root, String query) throws TransformerException {

    try {/*from w  ww .  ja v a2 s . c  om*/
        XPathFactory factory = XPathFactory.newInstance();
        XPath xpath = factory.newXPath();
        XPathExpression expr = xpath.compile(query);

        Object result = expr.evaluate(root, XPathConstants.NODESET);
        NodeList nodes = (NodeList) result;
        return nodes;
    } catch (XPathExpressionException e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

public static List<Node> xpathToNodeList(String xpathQuery, Object domObject) throws XPathExpressionException {
    List<Node> result = new ArrayList<Node>();

    XPathFactory xpathFactory = XPathFactory.newInstance();
    XPath xpath = xpathFactory.newXPath();
    NodeList nodeList = (NodeList) xpath.evaluate(xpathQuery, domObject, XPathConstants.NODESET);

    for (int i = 0; i < nodeList.getLength(); i++)
        result.add(nodeList.item(i));//from  w w  w.  j  a  v a2  s  .  co  m

    return result;
}

From source file:Main.java

public static NodeList getComponentsWithAttribute(Node xmlDocument, String attribute)
        throws XPathExpressionException {
    XPathFactory xPathfactory = XPathFactory.newInstance();
    XPath xpath = xPathfactory.newXPath();
    XPathExpression expr = null;//w w w.  j  a v  a 2  s .  co  m
    NodeList n1 = null;
    expr = xpath.compile("//*[@" + attribute + "]");
    n1 = (NodeList) expr.evaluate(xmlDocument, XPathConstants.NODESET);
    return n1;

}

From source file:Main.java

public static Object executeXPath(Document document, String expression, QName outputType) {
    Object result = null;/*  w ww.  j  a  v  a2 s  .  c o m*/
    XPathFactory xPathfactory = XPathFactory.newInstance();
    XPath xpath = xPathfactory.newXPath();
    XPathExpression expr;
    try {
        expr = xpath.compile(expression);
        result = expr.evaluate(document, outputType);
    } catch (XPathExpressionException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    return result;
}

From source file:Main.java

public static Object evalXPathExpr(String pathExpr, Document xmlDocument, QName returnType) {
    XPathFactory xPathFactory = XPathFactory.newInstance();
    XPath xpathObj = xPathFactory.newXPath();
    XPathExpression expr;/*from   w ww.  j a  v  a 2s. c om*/
    Object result = null;
    try {
        expr = xpathObj.compile(pathExpr);
        result = expr.evaluate(xmlDocument, returnType);
    } catch (XPathExpressionException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }
    return result;
}

From source file:Main.java

/**
 * Return a list of elements based on xPath
 *//*from  w w w  .j a  v a  2  s  . c o  m*/
static NodeList getElementsByAttribute(Document doc, String xPath) {
    XPathFactory xPathfactory = XPathFactory.newInstance();
    XPath xpath = xPathfactory.newXPath();
    XPathExpression expr = null;
    NodeList nl = null;
    try {
        expr = xpath.compile(xPath);
        nl = (NodeList) expr.evaluate(doc, XPathConstants.NODESET);
    } catch (XPathExpressionException e) {
        e.printStackTrace();
    }
    return nl;
}

From source file:Main.java

/**
 * Return one element based on xPath//  w w  w. j  a  v a  2s. c o m
 */
static Element getElementByAttribute(Document doc, String xPath) {
    XPathFactory xPathfactory = XPathFactory.newInstance();
    XPath xpath = xPathfactory.newXPath();
    XPathExpression expr = null;
    NodeList nl = null;
    try {
        expr = xpath.compile(xPath);
        nl = (NodeList) expr.evaluate(doc, XPathConstants.NODESET);
    } catch (XPathExpressionException e) {
        e.printStackTrace();
    }
    return (Element) nl.item(0);
}