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 NodeList selectNodes(Node node, String express) {
    NodeList result = null;/*from ww w  .ja  v  a2  s. c  o  m*/
    XPathFactory xpathFactory = XPathFactory.newInstance();
    XPath xpath = xpathFactory.newXPath();
    try {
        result = (NodeList) xpath.evaluate(express, node, XPathConstants.NODESET);
    } catch (XPathExpressionException e) {
        e.printStackTrace();
    }

    return result;
}

From source file:Main.java

public static Node selectSingleNode(Node node, String express) {
    Node result = null;//from   w  w w  .j  a v a  2  s  .  c  om
    XPathFactory xpathFactory = XPathFactory.newInstance();
    XPath xpath = xpathFactory.newXPath();
    try {
        result = (Node) xpath.evaluate(express, node, XPathConstants.NODE);
    } catch (XPathExpressionException e) {
        e.printStackTrace();
    }

    return result;
}

From source file:Main.java

public static String getNodeTextByXPath(Element eoEl, String xpath) {
    try {//from  ww w .j  av  a  2  s.com
        Document doc = newDocument();
        Element importedEl = (Element) doc.importNode(eoEl.cloneNode(true), true);
        doc.appendChild(importedEl);

        XPathFactory factory = XPathFactory.newInstance();
        XPath xpathEn = factory.newXPath();
        return xpathEn.evaluate(xpath, doc);
    } catch (Exception ex) {
        ex.printStackTrace();
        return "";
    }
}

From source file:Main.java

/**
 * Query xml result./*from   w w w.  j  a  v  a2s  . co  m*/
 * 
 * @param doc
 *            the doc
 * @param xpathExpression
 *            the xpath expression
 * @return the object
 */
public static NodeList queryXMLResult(Document doc, String xpathExpression) {
    // Document doc = getDocument(result);
    XPathFactory factory = XPathFactory.newInstance();
    XPath xpath = factory.newXPath();
    NodeList XmlResult = null;
    try {
        XPathExpression expr = xpath.compile(xpathExpression);
        XmlResult = evaluateXpath(doc, expr);
    } catch (XPathExpressionException e) {
        e.printStackTrace();
    }

    return XmlResult;
}

From source file:Main.java

public static Object parseRequestObjectFromSoap(String soapXml) throws Exception {
    Object result = null;//from  w  w  w. j av a  2s  .  c o m

    if (soapXml != null && soapXml.trim().length() > 0) {
        DocumentBuilderFactory xmlFact = DocumentBuilderFactory.newInstance();
        xmlFact.setNamespaceAware(true);

        DocumentBuilder builder = xmlFact.newDocumentBuilder();
        XPathFactory factory = XPathFactory.newInstance();
        XPath xpath = factory.newXPath();
        StringReader xsr = new StringReader(soapXml);
        InputSource is = new InputSource(xsr);
        Document doc = builder.parse(is);

        //Node requestNode = (Node) xpath.evaluate("/soap:Envelope/soap:Body/*", doc, XPathConstants.NODE);
        Node requestNode = (Node) xpath.evaluate("/*[local-name()='Envelope']/*[local-name()='Body']/*", doc,
                XPathConstants.NODE);

        JAXBContext ctx = JAXBContext.newInstance("xo.xoi.orderentry.ebonding");
        Unmarshaller unmarshaller = ctx.createUnmarshaller();
        result = unmarshaller.unmarshal(requestNode);
    }

    return result;
}

From source file:Main.java

public static Object getXMLValue(String xml, String xQuery, QName resultType)
        throws XPathExpressionException, IOException, SAXException, ParserConfigurationException {
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    DocumentBuilder db = dbf.newDocumentBuilder();

    Document doc = db.parse(new InputSource(new StringReader(xml)));

    XPathFactory xPathfactory = XPathFactory.newInstance();

    XPath xPath = xPathfactory.newXPath();
    XPathExpression xPathExpression = xPath.compile(xQuery);
    return xPathExpression.evaluate(doc, resultType);
}

From source file:Main.java

/**
 * Get the searchHandler Node from the solrconfig.xml file
 *
 * @param solrconfig//www . j av a 2 s  .com
 *            the solrconfig.xml File
 *
 * @return searchHandler XML Node or null if not found
 *
 * @throws ParserConfigurationException
 * @throws SAXException
 * @throws IOException
 * @throws XPathExpressionException
 */
public static Node getSearchHandlerNode(final File solrconfig)
        throws ParserConfigurationException, SAXException, IOException, XPathExpressionException {
    final DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
    final DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
    final Document docSchem = dBuilder.parse(solrconfig);
    final XPathFactory xPathfactory = XPathFactory.newInstance();
    final XPath xpath = xPathfactory.newXPath();
    final XPathExpression expr = xpath
            .compile("//requestHandler[@class=\"solr.SearchHandler\" and @name=\"/select\"]");
    final Node requestHandler = (Node) expr.evaluate(docSchem, XPathConstants.NODE);
    return requestHandler;
}

From source file:Main.java

static public XPath getXPath() {
    XPathFactory xPathfactory = XPathFactory.newInstance();
    XPath xpath = xPathfactory.newXPath();

    return xpath;
}

From source file:Main.java

/**
 * @return//from  w  w w  .j av  a  2 s  .c  om
 */
public static XPath getHtmlXPath() {
    XPathFactory factory = XPathFactory.newInstance();
    XPath htmlPath = factory.newXPath();
    htmlPath.setNamespaceContext(new NamespaceContext() {
        public String getNamespaceURI(String prefix) {
            return "http://www.w3.org/1999/xhtml";
        }

        public String getPrefix(String namespaceURI) {
            return "h";
        }

        public Iterator<?> getPrefixes(String namespaceURI) {
            List<String> prefixes = new ArrayList<String>();
            prefixes.add("h");

            return prefixes.iterator();
        }
    });

    return htmlPath;
}

From source file:Main.java

public static ArrayList<Node> getNodesXPath(String srcXmlString, String xPath) {
    DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
    domFactory.setNamespaceAware(false); // never forget this!
    Document doc = null;/*www.  ja v a2s  .c o  m*/
    DocumentBuilder builder = null;
    ArrayList<Node> nodesList = new ArrayList<Node>();
    try {
        builder = domFactory.newDocumentBuilder();
        doc = builder.parse(new ByteArrayInputStream(srcXmlString.getBytes()));
        XPathFactory factory = XPathFactory.newInstance();
        XPath xpath = factory.newXPath();
        XPathExpression expr = xpath.compile(xPath);

        Object result = expr.evaluate(doc, XPathConstants.NODESET);

        NodeList xPathNodes = (NodeList) result;
        logger.debug("xpath result count: " + xPathNodes.getLength());
        // iterate through all the nodes
        for (int i = 0; i < xPathNodes.getLength(); i++) {
            nodesList.add(xPathNodes.item(i));
        }
    } catch (Exception ex) {
        logger.error(ex.getMessage());
    }
    return nodesList;
}