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:com.freedomotic.helpers.HttpHelper.java

public HttpHelper() {
    try {/* w  w  w . j a v  a 2s.  c  o  m*/
        DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
        documentBuilder = builderFactory.newDocumentBuilder();
    } catch (ParserConfigurationException ex) {
        LOG.error(ex.getMessage());
    }
    XPathFactory xpathFactory = XPathFactory.newInstance();
    xPath = xpathFactory.newXPath();
    setConnectionTimeout(DEFAULT_TIMEOUT);
}

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From source file:com.stevpet.sonar.plugins.dotnet.resharper.customseverities.BaseCustomSeverities.java

/**
 * create xpath and assign the namespace resolver for InspectCode namespace
 * @return xpath//from www .  ja v  a2s.co m
 */
private XPath createXPathForInspectCode() {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xpath = factory.newXPath();
    NamespaceContext inspectCodeNamespaceResolver = new InspectCodeNamespaceResolver();
    xpath.setNamespaceContext(inspectCodeNamespaceResolver);
    return xpath;
}

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From source file:cz.strmik.cmmitool.cmmi.DefaultRatingScalesProvider.java

private List<RatingScale> readScales(String id, String lang) {
    List<RatingScale> scales = new ArrayList<RatingScale>();
    try {//  w ww . j a v  a 2s . c  o m
        Document document = getScalesDocument();

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

        SimpleNamespaceContext ns = new SimpleNamespaceContext();
        ns.bindNamespaceUri("s", SCALES_XML_NS);
        xPath.setNamespaceContext(ns);

        XPathExpression exprScales = xPath.compile("/s:ratings/s:rating[@id='" + id + "']/s:scale");
        XPathExpression exprName = xPath.compile("s:name[@lang='" + lang + "']");
        XPathExpression exprColor = xPath.compile("s:color[@type='html']");

        NodeList nodes = (NodeList) exprScales.evaluate(document, XPathConstants.NODESET);
        for (int i = 0; i < nodes.getLength(); i++) {
            Node node = nodes.item(i);
            int score = Integer.parseInt(node.getAttributes().getNamedItem("score").getTextContent());

            String name = exprName.evaluate(node);
            String color = exprColor.evaluate(node);
            RatingScale rs = new RatingScale(name, i, score, color);
            if (i == 0) {
                rs.setDefaultRating(true);
            }
            scales.add(rs);
        }
    } catch (Exception ex) {
        _log.warn(
                "Unable to load default scales for id=" + id + ",lang=" + lang + " ratings from " + SCALES_XML,
                ex);
    }
    return scales;
}

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From source file:at.sti2.spark.handler.ImpactoriumHandler.java

public String extractInfoObjectIdentifier(String infoObjectResponse) {

    String reportId = null;/* w w  w.j  av a 2 s  . com*/

    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    //dbf.setNamespaceAware(true);
    try {
        DocumentBuilder db = dbf.newDocumentBuilder();
        Document doc = db.parse(new ByteArrayInputStream(infoObjectResponse.getBytes("UTF-8")));

        XPathFactory factory = XPathFactory.newInstance();
        XPath xpath = factory.newXPath();
        XPathExpression expr = xpath.compile("//info-object");
        Object result = expr.evaluate(doc, XPathConstants.NODESET);

        NodeList nodes = (NodeList) result;
        Node item = nodes.item(0);
        if (item != null) {
            NamedNodeMap attributesMap = item.getAttributes();
            Node idAttribute = attributesMap.getNamedItem("id");
            reportId = idAttribute.getNodeValue();
        }

    } catch (ParserConfigurationException e) {
        e.printStackTrace();
    } catch (SAXException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (XPathExpressionException e) {
        e.printStackTrace();
    }

    return reportId;
}

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From source file:io.hakbot.providers.appspider.AppSpiderProvider.java

private String getScanName(String decodedScanConfig) {
    final XPathFactory xpathFactory = XPathFactory.newInstance();
    final XPath xpath = xpathFactory.newXPath();
    final InputSource source = new InputSource(new StringReader(decodedScanConfig));
    String scanName = null;/*from w ww .j a  v  a 2 s .c o m*/
    try {
        scanName = xpath.evaluate("/ScanConfig/Name", source);
    } catch (XPathExpressionException e) {
        LOGGER.error("Error processing scan file: " + e.getMessage());
    }
    return scanName;
}

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From source file:com.intel.hadoop.graphbuilder.demoapps.wikipedia.docwordgraph.WordCountGraphTokenizer.java

public void parse(String s) {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setNamespaceAware(true);//from w  w w .j  a  v  a2s  . co m
    DocumentBuilder builder;
    counts = new HashMap<String, Integer>();
    try {
        builder = factory.newDocumentBuilder();
        Document doc = builder.parse(new InputSource(new StringReader(s)));
        XPathFactory xfactory = XPathFactory.newInstance();
        XPath xpath = xfactory.newXPath();
        title = xpath.evaluate("//page/title/text()", doc);
        title = title.replaceAll("\\s", "_");
        // title = title.replaceAll("^[^a-zA-Z0-9]", "#");
        // title = title.replaceAll("[^a-zA-Z0-9.]", "_");
        id = xpath.evaluate("//page/id/text()", doc);
        String text = xpath.evaluate("//page/revision/text/text()", doc);

        if (!text.isEmpty()) {
            Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_30);
            TokenStream stream = analyzer.tokenStream(null, new StringReader(text));
            while (stream.incrementToken()) {
                String token = stream.getAttribute(TermAttribute.class).term();

                if (dictionary != null && !dictionary.contains(token))
                    continue;

                if (counts.containsKey(token))
                    counts.put(token, counts.get(token) + 1);
                else
                    counts.put(token, 1);
            }
        }
    } catch (ParserConfigurationException e) {
        e.printStackTrace();
    } catch (SAXException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (XPathExpressionException e) {
        e.printStackTrace();
    }
}

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From source file:edu.sabanciuniv.sentilab.sare.controllers.aspect.AspectLexiconFactory.java

@Override
protected AspectLexiconFactory addXmlPacket(AspectLexicon lexicon, InputStream input)
        throws ParserConfigurationException, SAXException, IOException, XPathException {

    Validate.notNull(lexicon, CannedMessages.NULL_ARGUMENT, "lexicon");
    Validate.notNull(input, CannedMessages.NULL_ARGUMENT, "input");

    DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
    domFactory.setNamespaceAware(true);/*  w  w  w .  ja  v  a2  s. com*/
    Document doc = domFactory.newDocumentBuilder().parse(input);

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

    if ("aspect".equalsIgnoreCase(doc.getDocumentElement().getLocalName())) {
        return this.addXmlAspect(lexicon, doc.getDocumentElement());
    }

    Node lexiconNode = (Node) xpath.compile("/aspect-lexicon").evaluate(doc, XPathConstants.NODE);
    if (lexiconNode == null) {
        lexiconNode = Validate.notNull(doc.getDocumentElement(), CannedMessages.NULL_ARGUMENT,
                "/aspect-lexicon");
    }

    String title = (String) xpath.compile("./@title").evaluate(lexiconNode, XPathConstants.STRING);
    String description = (String) xpath.compile("./@description").evaluate(lexiconNode, XPathConstants.STRING);

    if (StringUtils.isNotEmpty(title)) {
        lexicon.setTitle(title);
    }

    if (StringUtils.isNotEmpty(description)) {
        lexicon.setDescription(description);
    }

    return this.addXmlAspect(lexicon, lexiconNode);
}

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From source file:it.jnrpe.plugin.tomcat.TomcatDataProvider.java

private void parseMemoryData() throws Exception {

    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = factory.newDocumentBuilder();

    InputSource is = new InputSource(new StringReader(tomcatXML));

    Document doc = builder.parse(is);
    XPathFactory xPathfactory = XPathFactory.newInstance();
    XPath xpath = xPathfactory.newXPath();
    //Element root = (Element) xpath.compile("//status").evaluate(doc.getDocumentElement(), XPathConstants.NODE);
    Element memory = (Element) xpath.compile("//status/jvm/memory").evaluate(doc.getDocumentElement(),
            XPathConstants.NODE);

    long freeMem = Long.parseLong(memory.getAttribute("free"));
    long totalMem = Long.parseLong(memory.getAttribute("total"));
    long maxMem = Long.parseLong(memory.getAttribute("max"));

    jvmMemoryUsage = new MemoryData(freeMem, maxMem, totalMem);
}

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From source file:org.jasig.portlet.proxy.search.GsaSearchStrategy.java

@Override
public List<SearchResult> search(SearchRequest searchQuery, EventRequest request,
        org.jsoup.nodes.Document ignore) {

    List<SearchResult> searchResults = new ArrayList<SearchResult>();

    String searchBaseURL = this.buildGsaUrl(searchQuery, request);
    HttpClient client = new DecompressingHttpClient(new DefaultHttpClient());
    HttpGet get = new HttpGet(searchBaseURL);

    try {//w  w w  . j  a va2 s . com

        HttpResponse httpResponse = client.execute(get);
        log.debug("STATUS CODE :: " + httpResponse.getStatusLine().getStatusCode());

        InputStream in = httpResponse.getEntity().getContent();

        DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = docFactory.newDocumentBuilder();

        Document doc = builder.parse(in);

        log.debug(("GOT InputSource"));
        XPathFactory factory = XPathFactory.newInstance();
        XPath xPath = factory.newXPath();

        Integer maxCount = Integer.parseInt(xPath.evaluate("count(/GSP/RES/R)", doc));

        final String[] whitelistRegexes = request.getPreferences().getValues("gsaWhitelistRegex",
                new String[] {});

        log.debug(maxCount + " -- Results");
        for (int count = 1; count <= maxCount; count++) {
            String u = xPath.evaluate("/GSP/RES/R[" + count + "]/U/text()", doc);
            String t = xPath.evaluate("/GSP/RES/R[" + count + "]/T/text()", doc);
            String s = xPath.evaluate("/GSP/RES/R[" + count + "]/S/text()", doc);

            log.debug("title: [" + t + "]");
            SearchResult result = new SearchResult();
            result.setTitle(t);
            result.setSummary(s);

            PortletUrl pUrl = new PortletUrl();
            pUrl.setPortletMode(PortletMode.VIEW.toString());
            pUrl.setType(PortletUrlType.RENDER);
            pUrl.setWindowState(WindowState.MAXIMIZED.toString());
            PortletUrlParameter param = new PortletUrlParameter();
            param.setName("proxy.url");
            param.getValue().add(u);
            pUrl.getParam().add(param);
            result.setPortletUrl(pUrl);

            new SearchUtil().updateUrls(u, request, whitelistRegexes);
            searchResults.add(result);
        }

    } catch (IOException ex) {
        log.error(ex.getMessage(), ex);
    } catch (XPathExpressionException ex) {
        log.error(ex.getMessage(), ex);
    } catch (ParserConfigurationException ex) {
        log.error(ex.getMessage(), ex);
    } catch (SAXException ex) {
        log.error(ex.getMessage(), ex);
    }

    return searchResults;

}

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From source file:it.jnrpe.plugin.tomcat.TomcatDataProvider.java

private void parseMemoryPools() throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = factory.newDocumentBuilder();

    InputSource is = new InputSource(new StringReader(tomcatXML));

    Document doc = builder.parse(is);
    XPathFactory xPathfactory = XPathFactory.newInstance();
    XPath xpath = xPathfactory.newXPath();

    NodeList memoryPoolList = (NodeList) xpath.compile("//status/jvm/memorypool")
            .evaluate(doc.getDocumentElement(), XPathConstants.NODESET);

    for (int i = 0; i < memoryPoolList.getLength(); i++) {
        Node poolNode = memoryPoolList.item(i);
        NamedNodeMap atts = poolNode.getAttributes();
        final String poolName = atts.getNamedItem("name").getNodeValue();
        long usageInit = Long.parseLong(atts.getNamedItem("usageInit").getNodeValue());
        long usageCommitted = Long.parseLong(atts.getNamedItem("usageCommitted").getNodeValue());
        long usageMax = Long.parseLong(atts.getNamedItem("usageMax").getNodeValue());
        long usageUsed = Long.parseLong(atts.getNamedItem("usageUsed").getNodeValue());

        memoryPoolData.put(poolName,//  w w  w.j a v a  2 s . c o m
                new MemoryPoolData(poolName, usageInit, usageCommitted, usageMax, usageUsed));
    }
}

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