Example usage for javax.xml.xpath XPathFactory newXPath

List of usage examples for javax.xml.xpath XPathFactory newXPath

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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:com.intel.hadoop.graphbuilder.demoapps.wikipedia.linkgraph.LinkGraphTokenizer.java

public LinkGraphTokenizer() throws ParserConfigurationException {
    factory = DocumentBuilderFactory.newInstance();
    factory.setNamespaceAware(true);/*from  w w w .j a v  a 2s  .  co m*/
    builder = factory.newDocumentBuilder();
    XPathFactory xfactory = XPathFactory.newInstance();
    xpath = xfactory.newXPath();

    vlist = new ArrayList<Vertex<StringType, EmptyType>>();
    elist = new ArrayList<Edge<StringType, EmptyType>>();
    links = new ArrayList<String>();
}

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

/**
 * Gets all nodes matching an XPath/* w  w w  .  ja v  a  2 s  .c  om*/
 */
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:com.esri.geoportal.commons.csw.client.impl.ProfilesLoader.java

/**
 * Loads profiles.//w ww. j ava  2  s.c o m
 * @return profiles
 * @throws IOException if loading profiles from configuration fails
 * @throws ParserConfigurationException if unable to obtain XML parser
 * @throws SAXException if unable to parse XML document
 * @throws XPathExpressionException if invalid XPath expression
 */
public Profiles load()
        throws IOException, ParserConfigurationException, SAXException, XPathExpressionException {
    LOG.info(String.format("Loading CSW profiles"));
    Profiles profiles = new Profiles();
    try (InputStream profilesXml = Thread.currentThread().getContextClassLoader()
            .getResourceAsStream(CONFIG_FILE_PATH);) {
        DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = builderFactory.newDocumentBuilder();

        Document profilesDom = builder.parse(new InputSource(profilesXml));

        XPathFactory xPathfactory = XPathFactory.newInstance();
        XPath xpath = xPathfactory.newXPath();

        NodeList profilesNodeList = (NodeList) xpath.evaluate("/CSWProfiles/Profile", profilesDom,
                XPathConstants.NODESET);
        for (int pidx = 0; pidx < profilesNodeList.getLength(); pidx++) {
            Node profileNode = profilesNodeList.item(pidx);
            String id = StringUtils
                    .trimToEmpty((String) xpath.evaluate("ID", profileNode, XPathConstants.STRING));
            String name = StringUtils
                    .trimToEmpty((String) xpath.evaluate("Name", profileNode, XPathConstants.STRING));
            String namespace = StringUtils
                    .trimToEmpty((String) xpath.evaluate("CswNamespace", profileNode, XPathConstants.STRING));
            String description = StringUtils
                    .trimToEmpty((String) xpath.evaluate("Description", profileNode, XPathConstants.STRING));

            String getRecordsReqXslt = StringUtils.trimToEmpty((String) xpath
                    .evaluate("GetRecords/XSLTransformations/Request", profileNode, XPathConstants.STRING));
            String getRecordsRspXslt = StringUtils.trimToEmpty((String) xpath
                    .evaluate("GetRecords/XSLTransformations/Response", profileNode, XPathConstants.STRING));

            String getRecordByIdReqKVP = StringUtils.trimToEmpty(
                    (String) xpath.evaluate("GetRecordByID/RequestKVPs", profileNode, XPathConstants.STRING));
            String getRecordByIdRspXslt = StringUtils.trimToEmpty((String) xpath
                    .evaluate("GetRecordByID/XSLTransformations/Response", profileNode, XPathConstants.STRING));

            Profile prof = new Profile();
            prof.setId(id);
            prof.setName(name);
            prof.setDescription(description);
            prof.setGetRecordsReqXslt(getRecordsReqXslt);
            prof.setGetRecordsRspXslt(getRecordsRspXslt);
            prof.setKvp(getRecordByIdReqKVP);
            prof.setGetRecordByIdRspXslt(getRecordByIdRspXslt);

            profiles.add(prof);
        }
    }
    LOG.info(String.format("CSW profiles loaded."));
    return profiles;
}

From source file:net.javacrumbs.springws.test.common.XPathExpressionEvaluator.java

public String evaluateExpression(Document document, String expression, URI uri,
        NamespaceContext namespaceContext) {
    XPathFactory factory = XPathFactory.newInstance();
    factory.setXPathVariableResolver(new WsTestXPathVariableResolver(uri));
    try {/* www.  j  a va 2 s  .  c o m*/
        XPath xpath = factory.newXPath();
        if (namespaceContext != null) {
            xpath.setNamespaceContext(namespaceContext);
        }
        String result = xpath.evaluate(expression, document);
        logger.debug("Expression \"" + expression + "\" resolved to \"" + result + "\"");
        return result;
    } catch (XPathExpressionException e) {
        throw new ExpressionResolverException(
                "Could not evaluate XPath expression \"" + expression + "\" : \"" + e.getMessage() + "\"", e);
    }
}

From source file:com.synclio.hawk.TutorialRouteBuilder.java

@Override
public void configure() throws Exception {
    from("ghttp:///weather").process(new RequestProcessor()).marshal().serialization().to("gtask://default")
            .unmarshal().serialization().process(new ResponseProcessor());

    from("gtask://default").unmarshal().serialization().process(new Processor() {
        @Override//from w w  w .jav a2  s. co m
        public void process(Exchange exchange) throws Exception {
            ReportData data = exchange.getIn().getBody(ReportData.class);

            URLFetchService urlFetch = URLFetchServiceFactory.getURLFetchService();
            HTTPRequest req = new HTTPRequest(new URL("http://where.yahooapis.com/v1/places.q(" + data.getCity()
                    + ")?appid=0b4twNzV34GzaTHevW1SzEcnzG4Nyuhq6pvnSKZS.28kCqUw31jPRApe6_niElSL_waLc2M-"),
                    HTTPMethod.GET);
            HTTPResponse resp = urlFetch.fetch(req);

            Document doc = toDocument(IOUtils.toInputStream(new String(resp.getContent())));
            XPathFactory xpfactory = XPathFactory.newInstance();
            XPath xpath = xpfactory.newXPath();
            try {
                System.out.print(xpath.evaluate("//places/place[1]/woeid/text()", doc));
                System.out.print(new String(resp.getContent()));

            } catch (Exception e) {
                e.printStackTrace();
            }
        }

    });
    //         .setHeader(Exchange.HTTP_METHOD,constant("GET"))
    //         .enrich("ghttp://where.yahooapis.com/v1/places.q(Chennai)?appid=0b4twNzV34GzaTHevW1SzEcnzG4Nyuhq6pvnSKZS.28kCqUw31jPRApe6_niElSL_waLc2M-")         .setHeader(GMailBinding.GMAIL_SUBJECT, constant("Weather report"))
    //         .setHeader(GMailBinding.GMAIL_SENDER, ReportData.requestor())
    //         .setHeader(GMailBinding.GMAIL_TO, ReportData.recipient())
    //         .process(new ReportGenerator())
    //         .to("gmail://default");
}

From source file:com.seajas.search.utilities.web.WebPages.java

private XPath getXPathEngine() {
    XPath engine = xPathEngine;/*from  ww w  .  j a  v  a 2 s. com*/
    if (engine == null) {
        XPathFactory factory = XPathFactory.newInstance();
        engine = factory.newXPath();
        SimpleNamespaceContext namespaces = new SimpleNamespaceContext();
        namespaces.bindNamespaceUri("ht", "http://www.w3.org/1999/xhtml");
        engine.setNamespaceContext(namespaces);
        xPathEngine = engine;
    }
    return engine;
}

From source file:org.ow2.chameleon.fuchsia.push.base.subscriber.tool.HubDiscovery.java

public String hasHub(Document doc) {
    String hub = null;/*from   ww  w  .  j a v a2  s  . co  m*/

    XPathFactory factory = XPathFactory.newInstance();
    XPath xPath = factory.newXPath();
    XPathExpression xPathExpression;

    try {
        xPathExpression = xPath.compile("/feed/link[@rel='hub']/@href");
        hub = xPathExpression.evaluate(doc);
        if ((hub == null) || (hub.length() == 0)) {
            xPathExpression = xPath.compile("//link[@rel='hub']/@href");
            hub = xPathExpression.evaluate(doc);
        }

        if (hub.length() == 0) {
            return null;
        }

        return hub;

    } catch (XPathExpressionException e) {
        LOGGER.error("XPathExpression invalid", e);
        return null;
    }
}

From source file:org.ow2.chameleon.fuchsia.push.base.subscriber.tool.HubDiscovery.java

public String hasTopic(Document doc) {
    String topic;//w  w w. j a v  a2 s  . c o  m

    XPathFactory factory = XPathFactory.newInstance();
    XPath xPath = factory.newXPath();
    XPathExpression xPathExpression;

    try {
        xPathExpression = xPath.compile("/feed/link[@rel='self']/@href");
        topic = xPathExpression.evaluate(doc);
        if ((topic == null) || (topic.length() == 0)) {
            xPathExpression = xPath.compile("//link[@rel='self']/@href");
            topic = xPathExpression.evaluate(doc);
        }

        if (topic.length() == 0) {
            return null;
        }
        return topic;

    } catch (XPathExpressionException e) {
        LOGGER.error("Invalid XpathExpression", e);
        return null;
    }

}

From source file:com.fortysevendeg.lab.WeatherTask.java

/**
 * Performs work in the background invoking the weather remote service and parses the xml results into temp values
 * @param strings the place params to search form
 * @return the temperature in celsius/*  w w w.  jav  a  2s  .  co m*/
 */
@Override
protected final Integer doInBackground(String... strings) {
    int temp = ERROR;
    try {
        String xml = fetchWeatherData(strings[0]);
        if (xml != null) {
            XPathFactory factory = XPathFactory.newInstance();
            XPath xpath = factory.newXPath();
            XPathExpression expr = xpath.compile(context.getString(R.string.xpath_weather_service_temperature));
            Object result = expr.evaluate(new InputSource(new StringReader(xml)), XPathConstants.NODESET);
            NodeList nodes = (NodeList) result;
            if (nodes.getLength() > 0) {
                temp = Integer.valueOf(nodes.item(0).getAttributes().getNamedItem("data").getNodeValue());
            }
        }
    } catch (XPathExpressionException e) {
        Log.wtf(WeatherTask.class.toString(), e);
    } catch (IOException e) {
        Log.wtf(WeatherTask.class.toString(), e);
    }
    return temp;
}

From source file:com.rest4j.generator.DocGeneratorTest.java

@Test
public void testPreprocess() throws Exception {
    Document xml = getDocument("doc-generator-graph.xml");
    gen.preprocess(xml);/*from  w  ww  .j  ava 2s  .  co  m*/
    XPathFactory xPathfactory = XPathFactory.newInstance();
    XPath xpath = xPathfactory.newXPath();
    xpath.setNamespaceContext(new Generator.APINamespaceContext());

    assertEquals("patch A,patch B,B,patch C,C",
            modelsToString(xpath.compile("//api:endpoint[api:service/@method='patch']/api:body/api:model")
                    .evaluate(xml, XPathConstants.NODESET)));
    assertEquals("C",
            modelsToString(xpath.compile("//api:endpoint[api:service/@method='patch']/api:response/api:model")
                    .evaluate(xml, XPathConstants.NODESET)));
    assertEquals("B,C", modelsToString(xpath.compile("//api:endpoint[api:route='get']/api:response/api:model")
            .evaluate(xml, XPathConstants.NODESET)));
    assertEquals("B,C", modelsToString(xpath.compile("//api:endpoint[api:route='get']/api:response/api:model")
            .evaluate(xml, XPathConstants.NODESET)));
    assertEquals("", modelsToString(xpath.compile("//api:endpoint[api:route='binary']/api:response/api:model")
            .evaluate(xml, XPathConstants.NODESET)));
}