Example usage for javax.xml.xpath XPath evaluate

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

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Introduction

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

Prototype

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

Source Link

Document

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

Usage

From source file:gov.nih.nci.ncicb.tcga.dcc.qclive.common.action.validation.BcrExperimentFieldValidator.java

/**
 * checks all tags in a file/*from   www.  ja  va  2s  .  c  om*/
 *  @param xmlFile to check for XSDElements
 */

private boolean checkXmlFile(final File xmlFile, final QcContext context, List<String> clinicalElementList)
        throws ProcessorException {
    NodeList nodes = null;
    try {
        final Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(xmlFile);
        final XPath xpath = XPathFactory.newInstance().newXPath();
        nodes = (NodeList) xpath.evaluate(PATIENT_XPATH, document, XPathConstants.NODESET);
    } catch (XPathException e) {
        throw new ProcessorException("Unable to evaluate " + PATIENT_XPATH + " expression ", e);
    } catch (Exception e) {
        // same handling no matter what is thrown by parser
        throw new ProcessorException("Unable to parse file: " + xmlFile.getName(), e);
    }

    if (nodes.getLength() == 0) {
        throw new ProcessorException("No patient node found in file " + xmlFile.getName());
    }
    if (nodes.getLength() > 1) {
        throw new ProcessorException("More than one patient node found in file " + xmlFile.getName());
    }

    return parse(nodes.item(0), context, clinicalElementList, xmlFile.getName());

}

From source file:com.webwoz.wizard.server.components.MTinMicrosoft.java

public String translate(String inputText, String srcLang, String trgLang) {

    // initialize connection
    // adapt proxies and settings to fit your server environment
    initializeConnection("www-proxy.cs.tcd.ie", 8080);
    String translation = null;/*from w ww . j  a v a  2  s  .  co m*/
    String query = inputText;
    String MICROSOFT_TRANSLATION_BASE_URL = "http://api.microsofttranslator.com/V2/Http.svc/Translate?";
    String appID = "226846CE16BC2542B7916B05CE9284CF4075B843";

    try {
        // encode text
        query = URLEncoder.encode(query, "UTF-8");
        // exchange + for space
        query = query.replace("+", "%20");
    } catch (UnsupportedEncodingException ex) {
        ex.printStackTrace();
    }

    String requestURL = MICROSOFT_TRANSLATION_BASE_URL + "appid=" + appID + "&from=" + srcLang + "&to="
            + trgLang + "&text=" + query;

    HttpGet getRequest = new HttpGet(requestURL);

    try {
        HttpResponse response = httpClient.execute(getRequest);
        HttpEntity responseEntity = response.getEntity();

        InputStream inputStream = responseEntity.getContent();

        Document myDocument = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(inputStream);

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

        translation = (String) xPath.evaluate("/string", myDocument, XPathConstants.STRING);

        inputStream.close();

        translation = translation.trim();

        // if the original string did not have a dot at the end, then
        // remove the dot that Microsoft Translator sometimes places at the
        // end!! (not so sure it still happens anyway!)
        if (!inputText.endsWith(".") && (translation.endsWith("."))) {
            translation = translation.substring(0, translation.length() - 1);
        }

        setUttText(translation);

    } catch (Exception ex) {
        ex.printStackTrace();
        translation = ex.toString();
    }

    shutDownConnection();
    return translation;
}

From source file:com.webwoz.wizard.server.components.MToutMicrosoft.java

public String translate(String inputText, String srcLang, String trgLang) {

    // initialize connection
    // adapt proxy and settings to fit your server environments
    initializeConnection("www-proxy.cs.tcd.ie", 8080);
    String translation = null;/* www  .j av  a2s .c o  m*/
    String query = inputText;
    String MICROSOFT_TRANSLATION_BASE_URL = "http://api.microsofttranslator.com/V2/Http.svc/Translate?";
    String appID = "226846CE16BC2542B7916B05CE9284CF4075B843";

    try {
        // encode text
        query = URLEncoder.encode(query, "UTF-8");
        // exchange + for space
        query = query.replace("+", "%20");
    } catch (UnsupportedEncodingException ex) {
        ex.printStackTrace();
        System.out.println(ex);
    }

    String requestURL = MICROSOFT_TRANSLATION_BASE_URL + "appid=" + appID + "&from=" + srcLang + "&to="
            + trgLang + "&text=" + query;

    HttpGet getRequest = new HttpGet(requestURL);

    try {
        HttpResponse response = httpClient.execute(getRequest);
        HttpEntity responseEntity = response.getEntity();

        InputStream inputStream = responseEntity.getContent();

        Document myDocument = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(inputStream);

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

        translation = (String) xPath.evaluate("/string", myDocument, XPathConstants.STRING);

        inputStream.close();

        translation = translation.trim();

        // if the original string did not have a dot at the end, then
        // remove the dot that Microsoft Translator sometimes places at the
        // end!! (not so sure it still happens anyway!)
        if (!inputText.endsWith(".") && (translation.endsWith("."))) {
            translation = translation.substring(0, translation.length() - 1);
        }

        setUttText(translation);

    } catch (Exception ex) {
        ex.printStackTrace();
        translation = ex.toString();
        setUttText(translation);
        System.out.println(translation);
    }

    shutDownConnection();
    return translation;
}

From source file:de.dplatz.padersprinter.control.TripService.java

Optional<List<Leg>> parseLegs(Node node) {
    XPath xpath = XPathFactory.newInstance().newXPath();

    try {//from  w w w  .  j  ava2  s. c o m
        NodeList legNodes = (NodeList) xpath.evaluate(".//table[contains(@class, 'legTable')]", node,
                XPathConstants.NODESET);

        final List<Leg> legs = new LinkedList<>();

        logger.debug("Number of legs indentified: " + legNodes.getLength());
        for (int i = 0; i < legNodes.getLength(); i++) {
            Optional<Leg> leg = parseLeg(legNodes.item(i), xpath);

            if (!leg.isPresent()) {
                logger.info("At least one leg could not be parsed. Ignoring trip.");
                return Optional.empty();
            }

            legs.add(leg.get());
        }
        return Optional.of(legs);
    } catch (Exception ex) {
        logger.log(Level.ERROR, null, ex);
        return Optional.empty();
    }
}

From source file:dk.statsbiblioteket.doms.iprolemapper.webservice.IPRangesConfigReader.java

/**
 * Produce a <code>List</code> of <code>IPRangeRoles</code> instances
 * constructed from the information read from the XML configuration
 * specified by <code>rangesConfigFile</code>.
 * /*w w  w.j  a v a 2s. c om*/
 * @param rangesConfigFile
 *            a <code>File</code> instance configured with the path to the
 *            XML configuration file to read.
 * @return a list of <code>IPRangeRoles</code> instances, produced from the
 *         contents of the configuration file.
 * @throws IOException
 *             if any errors are encountered while reading the configuration
 *             file.
 */
public List<IPRangeRoles> readFromXMLConfigFile(File rangesConfigFile) throws IOException {

    if (log.isTraceEnabled()) {
        log.trace("readFromXMLConfigFile(): Called with file path: " + rangesConfigFile);
    }

    final DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();

    NodeList ipRangeNodes = null;

    try {
        final DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();

        final Document configuationDocument = documentBuilder.parse(rangesConfigFile);

        final XPathFactory xPathFactory = XPathFactory.newInstance();
        final XPath xPath = xPathFactory.newXPath();

        ipRangeNodes = (NodeList) xPath.evaluate("/ipranges/iprange", configuationDocument,
                XPathConstants.NODESET);
    } catch (ParserConfigurationException parserConfigException) {
        throw new IOException("Failed setting up parser", parserConfigException);
    } catch (SAXException saxException) {
        throw new IOException("Failed parsing configuration file '" + rangesConfigFile + "'", saxException);

    } catch (XPathExpressionException xPathExpressionException) {
        throw new IOException("Failed parsing (evaluating) configuration" + " file '" + rangesConfigFile + "'",
                xPathExpressionException);

    }
    final List<IPRangeRoles> ipRangeList = new LinkedList<IPRangeRoles>();
    for (int nodeIdx = 0; nodeIdx < ipRangeNodes.getLength(); nodeIdx++) {
        try {
            ipRangeList.add(produceIPRangeInstance(ipRangeNodes.item(nodeIdx)));
        } catch (Exception cause) {
            String ipRangeNodeXMLString = "Malformed IpRange.";
            try {
                ipRangeNodeXMLString = DOM.domToString(ipRangeNodes.item(nodeIdx));
            } catch (Exception eTwo) {
                // Exception being ignored
            }
            Logs.log(log, Logs.Level.WARN, "readFromXMLConfigFile() failed to read IPRange: ",
                    ipRangeNodeXMLString, cause);
        }
    }

    if (log.isTraceEnabled()) {
        log.trace("readFromXMLConfigFile(): Returning IP address ranges: " + ipRangeList);
    }
    return ipRangeList;
}

From source file:dk.statsbiblioteket.doms.iprolemapper.webservice.IPRangesConfigReader.java

/**
 * This method produces an <code>IPRangeRoles</code> instance from the
 * information stored in the <code>Node</code> specified by
 * <code>ipRangeNode</code>.
 * /*from  w  ww . j a va 2 s  .c  o  m*/
 * @param ipRangeNode
 *            a <code>Document Node</code> containing information about an
 *            IP range and its associated roles.
 * @return an <code>IPRangeRoles</code> instance created from the
 *         information contained in <code>ipRangeNode</code>.
 * @throws XPathExpressionException
 *             if any errors are encountered while reading range roles from
 *             <code>ipRangeNode</code>.
 * @throws UnknownHostException
 *             if the begin or end address of <code>ipRangeNode</code> is
 *             either an unknown host name or an illegal IP address.
 * @throws IllegalArgumentException
 *             if the begin address and end address of the range is not of
 *             the same type. I.e. if they are not both IPv4 or IPv6
 *             addresses, or if <code>beginAddress</code> is higher/after
 *             <code>endAddress</code>.
 */
private IPRangeRoles produceIPRangeInstance(Node ipRangeNode)
        throws XPathExpressionException, IllegalArgumentException, UnknownHostException {

    if (log.isTraceEnabled()) {

        String ipRangeNodeXMLString = "Malformed XML";
        try {
            ipRangeNodeXMLString = DOM.domToString(ipRangeNode);
        } catch (TransformerException transformerException) {
            // Just ignore for now and log. The code will break later...
        }

        log.trace("produceIPRangeInstance(): Called with XML node: " + ipRangeNodeXMLString);
    }

    final NamedNodeMap attributes = ipRangeNode.getAttributes();
    final String beginAddress = attributes.getNamedItem("begin").getNodeValue();
    final String endAddress = attributes.getNamedItem("end").getNodeValue();

    final XPathFactory xPathFactory = XPathFactory.newInstance();
    final XPath xPath = xPathFactory.newXPath();

    final NodeList ipRangeRoleNodes = (NodeList) xPath.evaluate("role", ipRangeNode, XPathConstants.NODESET);

    final List<String> ipRangeRoles = new LinkedList<String>();
    for (int nodeIdx = 0; nodeIdx < ipRangeRoleNodes.getLength(); nodeIdx++) {
        ipRangeRoles.add(ipRangeRoleNodes.item(nodeIdx).getTextContent().trim());
    }

    final IPRangeRoles rangeRoles = new IPRangeRoles(InetAddress.getByName(beginAddress),
            InetAddress.getByName(endAddress), ipRangeRoles);

    if (log.isTraceEnabled()) {
        log.trace("produceIPRangeInstance(): Returning IPRangeRoles " + "instance: " + rangeRoles);
    }
    return rangeRoles;
}

From source file:org.fedoracommons.funapi.pmh.AbstractPmhResolver.java

/**
 * {@inheritDoc}//from  w  ww  . j av a  2  s .co  m
 */
public UnapiObject getObject(String id, String format) throws UnapiException {
    try {
        String record = getRecord(id, format);
        XPath xpath = getXPath();
        Node pmh = (Node) xpath.evaluate("//oai:OAI-PMH", new InputSource(new StringReader(record)),
                XPathConstants.NODE);

        Node metadata = (Node) xpath.evaluate("//oai:metadata/*", pmh, XPathConstants.NODE);

        if (metadata == null) {
            String error = xpath.evaluate("//oai:error/@code", pmh);
            if (error.equalsIgnoreCase("idDoesNotExist")) {
                throw new IdentifierException(error);
            } else if (error.equalsIgnoreCase("cannotDisseminateFormat")) {
                throw new FormatException(error);
            } else {
                throw new UnapiException(error);
            }
        }

        TransformerFactory xformFactory = TransformerFactory.newInstance();
        Transformer transformer = xformFactory.newTransformer();

        Source source = new DOMSource(metadata);
        StringWriter sw = new StringWriter();
        transformer.transform(source, new StreamResult(sw));
        InputStream in = new ByteArrayInputStream(sw.toString().getBytes("UTF-8"));
        return new UnapiObject(in, "application/xml");
    } catch (XPathExpressionException e) {
        throw new UnapiException(e.getMessage(), e);
    } catch (TransformerException e) {
        throw new UnapiException(e.getMessage(), e);
    } catch (UnsupportedEncodingException e) {
        throw new UnapiException(e.getMessage(), e);
    }
}

From source file:ru.cti.gosuslugi.service.client.OffenceInfoServiceClient.java

private OffenceInfoForProgrammaticSystems getOffenceInfoList(String response)
        throws IOException, SAXException, ParserConfigurationException, XPathExpressionException,
        TransformerFactoryConfigurationError, TransformerException, JAXBException {
    Document responseDocument = buildXmlDocumentFromString(response);

    XPathFactory factory = XPathFactory.newInstance();
    XPath xpath = factory.newXPath();
    NodeList nodeList = (NodeList) xpath.evaluate("//Body/*", responseDocument, XPathConstants.NODESET);

    StringWriter sw = new StringWriter();

    if (serializer == null)
        serializer = TransformerFactory.newInstance().newTransformer();

    serializer.transform(new DOMSource(nodeList.item(0)), new StreamResult(sw));
    String res = sw.toString();/*from   ww w  . j a  va  2s . co m*/

    logger.debug("offence body: {}", res);
    Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
    return (OffenceInfoForProgrammaticSystems) unmarshaller
            .unmarshal(new ByteArrayInputStream(res.getBytes("UTF-8")));

}

From source file:com.persistent.cloudninja.service.impl.RunningInstancesJSONDataServiceImpl.java

/**
 * Parse the response from deployment monitoring and get role name, instance name and instance status.
 * @param response The XML response of deployment monitoring task.
 * @return List of InstanceHealthRoleInstanceEntity
 * @throws ParserConfigurationException//  w ww.  java 2s  . c  o m
 * @throws SAXException
 * @throws IOException
 * @throws XPathExpressionException
 */
private List<InstanceHealthRoleInstanceEntity> parseResponse(StringBuffer response)
        throws ParserConfigurationException, SAXException, IOException, XPathExpressionException {
    DocumentBuilder documentBuilder = null;
    Document document = null;
    DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
    documentBuilderFactory.setIgnoringElementContentWhitespace(true);
    documentBuilder = documentBuilderFactory.newDocumentBuilder();
    document = documentBuilder.parse(new InputSource(new StringReader(response.toString())));

    XPathFactory xPathFactory = XPathFactory.newInstance();
    XPath xPath = xPathFactory.newXPath();
    NodeList roleNameList = (NodeList) xPath.evaluate("/Deployment/RoleInstanceList/RoleInstance/RoleName",
            document, XPathConstants.NODESET);
    NodeList instanceNameList = (NodeList) xPath.evaluate(
            "/Deployment/RoleInstanceList/RoleInstance/InstanceName", document, XPathConstants.NODESET);
    NodeList instanceStatusList = (NodeList) xPath.evaluate(
            "/Deployment/RoleInstanceList/RoleInstance/InstanceStatus", document, XPathConstants.NODESET);

    List<InstanceHealthRoleInstanceEntity> list = new ArrayList<InstanceHealthRoleInstanceEntity>();
    for (int index = 0; index < roleNameList.getLength(); index++) {
        Element roleElement = (Element) roleNameList.item(index);
        Element instanceElement = (Element) instanceNameList.item(index);
        Element statusElement = (Element) instanceStatusList.item(index);

        InstanceHealthRoleInstanceEntity roleInstanceEntity = new InstanceHealthRoleInstanceEntity();
        roleInstanceEntity.setRoleName(roleElement.getTextContent());
        roleInstanceEntity.setInstanceName(instanceElement.getTextContent());
        roleInstanceEntity.setInstanceStatus(statusElement.getTextContent());
        list.add(roleInstanceEntity);
    }
    return list;
}

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

/**
 * Get the String nodes through the reader
 * @return list of string nodes//from  w ww.  jav  a  2 s .  c  o m
* @throws XPathExpressionException 
 */
private NodeList getStringNodes(InputSource source) throws XPathExpressionException {
    XPath xpath = createXPathForInspectCode();
    NodeList nodes = new EmptyNodeList();
    nodes = (NodeList) xpath.evaluate("//s:String", source, XPathConstants.NODESET);
    return nodes;
}