Example usage for javax.xml.xpath XPathExpression evaluate

Introduction

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

Prototype

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

Source Link

Document

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

Usage

From source file:org.ambraproject.search.service.DummySOLRMessageSender.java

private Node XPathSingleNodeQuery(Document dom, String statement) throws XPathExpressionException {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xpath = factory.newXPath();
    XPathExpression expr = xpath.compile(statement);

    return (Node) expr.evaluate(dom, XPathConstants.NODE);
}

From source file:io.selendroid.nativetests.GetWindowSourceTest.java

private Element findElementByXpath(String expr, String source) throws Exception {
    String xml = JsonXmlUtil.toXml(new JSONObject(source));
    InputSource is = new InputSource(new StringReader(xml));
    XPath xPath = XPathFactory.newInstance().newXPath();

    XPathExpression xpathExpr = xPath.compile(expr);
    return (Element) xpathExpr.evaluate(is, XPathConstants.NODE);
}

From source file:net.firejack.platform.core.config.meta.parse.XMLStreamDescriptorParser.java

private void uidValidation(String xml)
        throws IOException, SAXException, ParserConfigurationException, XPathExpressionException {
    DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
    domFactory.setNamespaceAware(true);/*from   w w w .j  ava 2  s  .co m*/
    DocumentBuilder builder = domFactory.newDocumentBuilder();
    Document doc = builder.parse(new ByteArrayInputStream(xml.getBytes()));
    XPath xpath = XPathFactory.newInstance().newXPath();
    XPathExpression expr = xpath.compile("//*/@uid");
    Object result = expr.evaluate(doc, XPathConstants.NODESET);
    NodeList nodes = (NodeList) result;
    Map<String, Integer> uids = new HashMap<String, Integer>();
    for (int i = 0; i < nodes.getLength(); i++) {
        String uid = nodes.item(i).getNodeValue();
        Integer count = uids.get(uid);
        if (count == null) {
            count = 0;
        }
        count++;
        uids.put(uid, count);
    }
    StringBuilder errorMessage = new StringBuilder();
    for (Map.Entry<String, Integer> entry : uids.entrySet()) {
        if (entry.getValue() > 1) {
            errorMessage.append(" [").append(entry.getKey()).append("]");
        }
    }
    if (errorMessage.length() > 0) {
        throw new BusinessFunctionException(
                "UIDs are not unique in package.xml. Check UIDs:" + errorMessage.toString());
    }
}

From source file:com.rackspace.api.clients.veracode.responses.AppListResponse.java

private Map<String, String> buildAppMap() {
    Map<String, String> applications = new HashMap<String, String>();

    NodeList applicationNodes = null;

    try {//from  w ww .  ja  v  a2  s  .c om
        XPathExpression expression = xpath.compile(XPATH_EXPRESSION);

        applicationNodes = (NodeList) expression.evaluate(doc, XPathConstants.NODESET);
    } catch (XPathExpressionException e) {
        throw new RuntimeException(e);
    }

    if (applicationNodes != null) {
        for (int i = 0; i < applicationNodes.getLength(); i++) {
            Node currentNode = applicationNodes.item(i);

            applications.put(currentNode.getAttributes().getNamedItem("app_name").getNodeValue(),
                    currentNode.getAttributes().getNamedItem("app_id").getNodeValue());
        }
    }

    return applications;
}

From source file:gov.nih.nci.cabio.RESTAPITest.java

/**
 * Returns the text value of the nodes at the given XPath.
 *//*from  w  w  w .j ava2  s . c om*/
private String getValue(Document doc, String path) throws Exception {
    XPathExpression expr = xpath.compile(path);
    Object result = expr.evaluate(doc, XPathConstants.STRING);
    return (String) result;
}

From source file:com.hotwire.test.steps.application.IosApplication.java

public String getExpectedAnalytics(String analyticsParams) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setNamespaceAware(true);/*from w  w  w  . j a  va2  s.  c om*/
    DocumentBuilder builder = factory.newDocumentBuilder();
    Document doc = builder.parse("vertical");
    XPathFactory xpathfactory = XPathFactory.newInstance();
    XPath xpath = xpathfactory.newXPath();

    String paramsToPath = "//" + (analyticsParams.replaceAll(":", "/")) + "/node()";
    XPathExpression expr = xpath.compile(paramsToPath);
    Object result = expr.evaluate(doc, XPathConstants.NODESET);
    NodeList nodes = (NodeList) result;

    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < nodes.getLength(); i++) {
        sb.append((nodes.item(i).getNodeName() + "=" + nodes.item(i).getTextContent()).trim());
    }
    String expectedParams = sb.toString().replaceAll("#text=", ";");

    return expectedParams;
}

From source file:com.ehsy.solr.util.SimplePostTool.java

/**
 * Gets all nodes matching an XPath/*from w  w w.ja  v  a  2 s . c  o  m*/
 */
public static NodeList getNodesFromXP(Node n, String xpath) throws XPathExpressionException {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xp = factory.newXPath();
    XPathExpression expr = xp.compile(xpath);
    return (NodeList) expr.evaluate(n, XPathConstants.NODESET);
}

From source file:mupomat.utility.LongLatService.java

public String getXpathValue(Document doc, String strXpath) throws XPathExpressionException {
    XPath xPath = XPathFactory.newInstance().newXPath();
    XPathExpression expr = xPath.compile(strXpath);
    String resultData = null;/*from  w w  w. j  ava  2s.  c  o  m*/
    Object result4 = expr.evaluate(doc, XPathConstants.NODESET);
    NodeList nodes = (NodeList) result4;
    for (int i = 0; i < nodes.getLength(); i++) {
        resultData = nodes.item(i).getNodeValue();
    }
    return resultData;

}

From source file:com.microsoft.samples.federation.FederationMetadataDocument.java

private String getSingleNodeText(String xpathStr) {
    XPathFactory xpf = XPathFactory.newInstance();
    XPath xpath = xpf.newXPath();

    try {//from w w w . j a  v a2  s .  c o m
        XPathExpression xpe = xpath.compile(xpathStr);
        NodeList nodeList = (NodeList) xpe.evaluate(_fmdDoc, XPathConstants.NODESET);
        if (nodeList.getLength() > 0) {
            return nodeList.item(0).getNodeValue();
        }

    } catch (XPathExpressionException e) {
        //do something here
    }
    return null;
}

From source file:org.jasig.portlet.calendar.service.RoleService.java

/**
 * Do the real work of reading the role list.
 *
 * @return the set of role names.//from  w  w  w.  ja  v  a 2s  .  c  o m
 */
private Set<String> readRolesFromPortletXml() {
    try {
        URL portletXmlUrl = context.getResource(PORTLET_XML_PATH);
        InputSource is = new InputSource(portletXmlUrl.openStream());

        DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = docBuilderFactory.newDocumentBuilder();
        Document doc = builder.parse(is);

        XPathFactory xpathFactory = XPathFactory.newInstance();
        XPath xpath = xpathFactory.newXPath();
        XPathExpression xPathExpression = xpath.compile(ROLES_XPATH);

        NodeList nodeList = (NodeList) xPathExpression.evaluate(doc, XPathConstants.NODESET);

        Set<String> roles = new LinkedHashSet<String>();
        for (int i = 0; i < nodeList.getLength(); i++) {
            String role = nodeList.item(i).getNodeValue();
            roles.add(role);
        }

        return roles;

    } catch (Exception e) {
        logger.error(e.getMessage(), e);
        throw new RuntimeException("Error reading roles from portlet.xml", e);
    }
}