Example usage for javax.xml.xpath XPathExpression evaluate

List of usage examples for javax.xml.xpath XPathExpression evaluate

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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.eclipse.sw360.licenseinfo.parsers.AbstractCLIParser.java

protected NodeList getNodeListByXpath(Document doc, String xpathString) throws XPathExpressionException {
    XPath xpath = XPathFactory.newInstance().newXPath();
    XPathExpression xpathExpression = xpath.compile(xpathString);
    return (NodeList) xpathExpression.evaluate(doc, XPathConstants.NODESET);
}

From source file:org.eclipse.thym.android.core.adt.AndroidProjectGenerator.java

private void updateAppName(String appName) throws CoreException {
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    dbf.setNamespaceAware(true);//from w w w .  jav  a 2 s  .c  o  m
    DocumentBuilder db;

    try {
        db = dbf.newDocumentBuilder();
        IPath stringsPath = new Path(getDestination().toString()).append(DIR_RES).append(DIR_VALUES)
                .append(FILE_XML_STRINGS);
        File strings = stringsPath.toFile();
        Document configDocument = db.parse(strings);
        XPath xpath = XPathFactory.newInstance().newXPath();

        try {
            XPathExpression expr = xpath.compile("//string[@name=\"app_name\"]");
            Node node = (Node) expr.evaluate(configDocument, XPathConstants.NODE);
            node.setTextContent(appName);
            configDocument.setXmlStandalone(true);
            Source source = new DOMSource(configDocument);
            StreamResult result = new StreamResult(strings);
            // Write the DOM document to the file
            TransformerFactory transformerFactory = TransformerFactory.newInstance();
            Transformer xformer = transformerFactory.newTransformer();
            xformer.transform(source, result);

        } catch (XPathExpressionException e) {//We continue because this affects the displayed app name
                                              // which is not a show stopper during development
            AndroidCore.log(IStatus.ERROR, "Error when updating the application name", e);
        } catch (TransformerConfigurationException e) {
            AndroidCore.log(IStatus.ERROR, "Error when updating the application name", e);
        } catch (TransformerException e) {
            AndroidCore.log(IStatus.ERROR, "Error when updating the application name", e);
        }

    } catch (ParserConfigurationException e) {
        throw new CoreException(new Status(IStatus.ERROR, HybridCore.PLUGIN_ID,
                "Parser error when parsing /res/values/strings.xml", e));
    } catch (SAXException e) {
        throw new CoreException(
                new Status(IStatus.ERROR, HybridCore.PLUGIN_ID, "Parsing error on /res/values/strings.xml", e));
    } catch (IOException e) {
        throw new CoreException(new Status(IStatus.ERROR, HybridCore.PLUGIN_ID,
                "IO error when parsing /res/values/strings.xml", e));
    }
}

From source file:org.eclipse.thym.blackberry.core.bdt.BlackBerryProjectGenerator.java

private void updateAppName(String appName) throws CoreException {
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    dbf.setNamespaceAware(true);/*  ww w.j  ava  2s .  c om*/
    DocumentBuilder db;

    try {
        db = dbf.newDocumentBuilder();
        IPath stringsPath = new Path(getDestination().toString()).append(DIR_RES).append(DIR_VALUES)
                .append(FILE_XML_STRINGS);
        File strings = stringsPath.toFile();
        Document configDocument = db.parse(strings);
        XPath xpath = XPathFactory.newInstance().newXPath();

        try {
            XPathExpression expr = xpath.compile("//string[@name=\"app_name\"]");
            Node node = (Node) expr.evaluate(configDocument, XPathConstants.NODE);
            node.setTextContent(appName);

            configDocument.setXmlStandalone(true);

            Source source = new DOMSource(configDocument);

            StreamResult result = new StreamResult(strings);

            // Write the DOM document to the file
            TransformerFactory transformerFactory = TransformerFactory.newInstance();
            Transformer xformer = transformerFactory.newTransformer();

            xformer.transform(source, result);

        } catch (XPathExpressionException e) {//We continue because this affects the displayed app name
                                              // which is not a show stopper during development
            BlackBerryCore.log(IStatus.ERROR, "Error when updating the application name", e);
        } catch (TransformerConfigurationException e) {
            BlackBerryCore.log(IStatus.ERROR, "Error when updating the application name", e);
        } catch (TransformerException e) {
            BlackBerryCore.log(IStatus.ERROR, "Error when updating the application name", e);
        }

    } catch (ParserConfigurationException e) {
        throw new CoreException(new Status(IStatus.ERROR, HybridCore.PLUGIN_ID,
                "Parser error when parsing /res/values/strings.xml", e));
    } catch (SAXException e) {
        throw new CoreException(
                new Status(IStatus.ERROR, HybridCore.PLUGIN_ID, "Parsing error on /res/values/strings.xml", e));
    } catch (IOException e) {
        throw new CoreException(new Status(IStatus.ERROR, HybridCore.PLUGIN_ID,
                "IO error when parsing /res/values/strings.xml", e));
    }
}

From source file:org.eurekastreams.server.service.actions.strategies.galleryitem.PluginDefinitionPopulator.java

/**
 * Checks for the required plugin feature before updating the plugin def.
 * //from  w ww.  j  ava2  s. c o m
 * @param inPluginDefinitionUrl
 *            The url to the plugin definition.
 * @return true if the feature is found and false if not found.
 * @throws XPathExpressionException
 *             not expected.
 * @throws ParserConfigurationException
 *             not expected.
 * @throws SAXException
 *             not expected.
 * @throws IOException
 *             expected if the url is invalid.
 */
private boolean checkForRequiredFeature(final String inPluginDefinitionUrl)
        throws XPathExpressionException, ParserConfigurationException, SAXException, IOException {
    DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
    domFactory.setNamespaceAware(true);
    DocumentBuilder builder = domFactory.newDocumentBuilder();
    Document doc = builder.parse(inPluginDefinitionUrl);
    XPath xpath = XPathFactory.newInstance().newXPath();

    // this is used to get the amount of required feature we need to check.
    XPathExpression getFeatureAmountExpr = xpath.compile("//Module/ModulePrefs/Require");

    NodeList nodeResults = (NodeList) getFeatureAmountExpr.evaluate(doc, XPathConstants.NODESET);

    for (int i = 1; i <= nodeResults.getLength(); i++) {
        XPathExpression getFeatureExpr = xpath.compile("//Module/ModulePrefs/Require[" + i + "]/@feature");
        String thing = (String) getFeatureExpr.evaluate(doc, XPathConstants.STRING);
        if (thing.equals("eurekastreams-streamplugin")) {
            return true;
        }
    }
    return false;
}

From source file:org.forgerock.maven.plugins.LinkTester.java

private void extractXmlIds(XPathExpression expr, Document doc, String path) throws XPathExpressionException {
    NodeList ids = (NodeList) expr.evaluate(doc, XPathConstants.NODESET);
    if (ids != null) {
        for (int i = 0; i < ids.getLength(); i++) {
            Node node = ids.item(i);
            File file = new File(path);
            xmlIds.put(file.getParentFile().getName(), node.getNodeValue());
        }/*from www .j  ava 2 s. co  m*/
    }
}

From source file:org.glite.lb.NotifParser.java

/**
 * a method for handling xpath queries//from   www .  ja  v a 2s.co m
 *
 * @param xpathString xpath expression
 * @return the result nodelist
 */
private NodeList evaluateXPath(String xpathString) {
    try {
        XPathFactory xfactory = XPathFactory.newInstance();
        XPath xpath = xfactory.newXPath();
        XPathExpression expr = xpath.compile(xpathString);
        return (NodeList) expr.evaluate(doc, XPathConstants.NODESET);
    } catch (XPathExpressionException ex) {
        ex.printStackTrace();
        return null;
    }
}

From source file:org.gluu.authentication.remote.saml2.selector.ApplicationSelectorConfiguration.java

private Map<String, String> loadIdpMapping(Document xmlDoc) throws XPathExpressionException {
    Map<String, String> result = new HashMap<String, String>();
    XPath xPath = XPathFactory.newInstance().newXPath();

    XPathExpression query = xPath.compile("/asimba-selector/application");
    NodeList nodes = (NodeList) query.evaluate(xmlDoc, XPathConstants.NODESET);
    for (int i = 0; i < nodes.getLength(); i++) {
        Node node = nodes.item(i);

        Node entityIdNode = node.getAttributes().getNamedItem("entityId");
        if (entityIdNode == null) {
            continue;
        }//  ww w. ja v  a 2s . c  om

        Node organizationIdNode = node.getAttributes().getNamedItem("organizationId");
        if (organizationIdNode == null) {
            continue;
        }

        result.put(entityIdNode.getNodeValue(), organizationIdNode.getNodeValue());
    }

    return result;
}

From source file:org.gluu.saml.Response.java

public Map<String, List<String>> getAttributes() throws XPathExpressionException {
    Map<String, List<String>> result = new HashMap<String, List<String>>();
    XPath xPath = XPathFactory.newInstance().newXPath();

    xPath.setNamespaceContext(NAMESPACES);
    XPathExpression query = xPath
            .compile("/samlp:Response/saml:Assertion/saml:AttributeStatement/saml:Attribute");
    NodeList nodes = (NodeList) query.evaluate(xmlDoc, XPathConstants.NODESET);
    for (int i = 0; i < nodes.getLength(); i++) {
        Node node = nodes.item(i);

        Node nameNode = node.getAttributes().getNamedItem("Name");
        if (nameNode == null) {
            continue;
        }/*from   w ww. j  a v a2 s .  c  om*/

        String attributeName = nameNode.getNodeValue();
        List<String> attributeValues = new ArrayList<String>();

        NodeList nameChildNodes = node.getChildNodes();
        for (int j = 0; j < nameChildNodes.getLength(); j++) {
            Node nameChildNode = nameChildNodes.item(j);

            if (nameChildNode.getNamespaceURI().equalsIgnoreCase("urn:oasis:names:tc:SAML:2.0:assertion")
                    && nameChildNode.getLocalName().equals("AttributeValue")) {
                NodeList valueChildNodes = nameChildNode.getChildNodes();
                for (int k = 0; k < valueChildNodes.getLength(); k++) {
                    Node valueChildNode = valueChildNodes.item(k);
                    attributeValues.add(valueChildNode.getNodeValue());
                }
            }
        }

        result.put(attributeName, attributeValues);
    }

    return result;
}

From source file:org.hawkular.wildfly.module.installer.ExtensionDeployerTest.java

private void assertXpath(String expression, Document doc, int expectedCount) throws Exception {
    XPathExpression expr = xpath.compile(expression);
    NodeList nl = (NodeList) expr.evaluate(doc, XPathConstants.NODESET);
    Assert.assertEquals(expectedCount, nl.getLength());
}

From source file:org.hyperic.hq.plugin.jboss7.JBossDetectorBase.java

final ConfigResponse getServerProductConfig(Map<String, String> args) {
    ConfigResponse cfg = new ConfigResponse();
    String port = null;/* ww w.  j av a  2 s .  c  o  m*/
    String address = null;

    File cfgFile = getConfigFile(args);

    try {
        log.debug("[getProductConfig] cfgFile=" + cfgFile.getCanonicalPath());
        DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
        Document doc = (Document) dBuilder.parse(cfgFile);

        XPathFactory factory = XPathFactory.newInstance();
        XPathExpression expr = factory.newXPath()
                .compile(getConfigRoot() + "/management/management-interfaces/http-interface");
        Object result = expr.evaluate(doc, XPathConstants.NODESET);
        NodeList nodeList = (NodeList) result;

        String mgntIf = null;
        for (int i = 0; i < nodeList.getLength(); i++) {
            if (nodeList.item(i).getAttributes().getNamedItem("port") != null) {
                port = nodeList.item(i).getAttributes().getNamedItem("port").getNodeValue();
                mgntIf = nodeList.item(i).getAttributes().getNamedItem("interface").getNodeValue();
            }
        }

        if (mgntIf != null) {
            expr = factory.newXPath()
                    .compile(getConfigRoot() + "/interfaces/interface[@name='" + mgntIf + "']/inet-address");
            result = expr.evaluate(doc, XPathConstants.NODESET);
            nodeList = (NodeList) result;

            for (int i = 0; i < nodeList.getLength(); i++) {
                address = nodeList.item(i).getAttributes().getNamedItem("value").getNodeValue();
            }
        }

        setUpExtraProductConfig(cfg, doc);

    } catch (Exception ex) {
        log.debug("Error discovering the jmx.url : " + ex, ex);
    }

    log.debug("[getProductConfig] address='" + address + "' port='" + port + "'");
    if ((address != null) && (port != null)) {
        cfg.setValue(PORT, port);
        cfg.setValue(ADDR, parseAddress(address, args));
    }
    return cfg;
}