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:org.jasig.springframework.security.portlet.authentication.PortletXmlMappableAttributesRetriever.java

/**
 * Loads the portlet.xml file using the configured <tt>ResourceLoader</tt> and
 * parses the role-name elements from it, using these as the set of <tt>mappableAttributes</tt>.
 *///from   ww  w.j a v a 2s .c om
public void afterPropertiesSet() throws Exception {
    Resource portletXml = resourceLoader.getResource("/WEB-INF/portlet.xml");
    Document doc = getDocument(portletXml.getInputStream());

    final XPathExpression roleNamesExpression;
    if (portletConfig == null) {
        final XPathFactory xPathFactory = XPathFactory.newInstance();

        final XPath xPath = xPathFactory.newXPath();
        roleNamesExpression = xPath.compile("/portlet-app/portlet/security-role-ref/role-name");
    } else {
        final XPathFactory xPathFactory = XPathFactory.newInstance();
        xPathFactory.setXPathVariableResolver(new XPathVariableResolver() {
            @Override
            public Object resolveVariable(QName variableName) {
                if ("portletName".equals(variableName.getLocalPart())) {
                    return portletConfig.getPortletName();
                }

                return null;
            }
        });
        final XPath xPath = xPathFactory.newXPath();
        roleNamesExpression = xPath
                .compile("/portlet-app/portlet[portlet-name=$portletName]/security-role-ref/role-name");
    }

    final NodeList securityRoles = (NodeList) roleNamesExpression.evaluate(doc, XPathConstants.NODESET);
    final Set<String> roleNames = new HashSet<String>();

    for (int i = 0; i < securityRoles.getLength(); i++) {
        Element secRoleElt = (Element) securityRoles.item(i);
        String roleName = secRoleElt.getTextContent().trim();
        roleNames.add(roleName);
        logger.info("Retrieved role-name '" + roleName + "' from portlet.xml");
    }

    if (roleNames.isEmpty()) {
        logger.info("No security-role-ref elements found in " + portletXml
                + (portletConfig == null ? "" : " for portlet " + portletConfig.getPortletName()));
    }

    mappableAttributes = Collections.unmodifiableSet(roleNames);
}

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 w w  .  j  a v  a2 s.com
 * @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:com.codspire.mojo.artifactlookup.ProcessResponse.java

/**
 * //ww  w .  j  ava 2s.c om
 * @param document
 * @param xPathfactory
 * @param targetXpath
 * @return
 */
private String getXpathValue(Document document, XPathFactory xPathfactory, String targetXpath) {
    XPath xpath = xPathfactory.newXPath();
    String xpathValue = null;
    try {
        xpathValue = xpath.compile(targetXpath).evaluate(document, XPathConstants.STRING).toString();
    } catch (XPathExpressionException e) {
        log.error(e);
    }
    return xpathValue;
}

From source file:it.acubelab.batframework.systemPlugins.AIDAAnnotator.java

private String getConfigValue(String setting, String name, Document doc) throws XPathExpressionException {
    XPathFactory xPathfactory = XPathFactory.newInstance();
    XPath xpath = xPathfactory.newXPath();
    XPathExpression userExpr = xpath
            .compile("aida/setting[@name=\"" + setting + "\"]/param[@name=\"" + name + "\"]/@value");
    return userExpr.evaluate(doc);
}

From source file:eu.scape_project.resource.planmanagement.Plans.java

private PlanData createDeploymentPlanData(InputStream src) throws IOException {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder;/*from  w ww .  ja  v  a  2  s.c o  m*/
    PlanData.Builder data = new PlanData.Builder();
    try {
        builder = factory.newDocumentBuilder();
        Document doc = builder.parse(src);
        XPathFactory xPathfactory = XPathFactory.newInstance();
        XPath xpath = xPathfactory.newXPath();
        data.title(xpath.compile("/plans/plan/properties/@name").evaluate(doc));
        data.description(xpath.compile("/plans/plan/properties/description").evaluate(doc));
        data.lifecycleState(new PlanLifecycleState(
                eu.scape_project.model.plan.PlanLifecycleState.PlanState.ENABLED, "Initial deployment"));
        return data.build();
    } catch (ParserConfigurationException | SAXException | XPathExpressionException e) {
        throw new IOException(e);
    }
}

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;/*w  w w  .  j a  v a 2  s  .c om*/
    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:org.fedoracommons.funapi.pmh.AbstractPmhResolver.java

private XPath getXPath() {
    XPathFactory xpFactory = XPathFactory.newInstance();
    XPath xpath = xpFactory.newXPath();
    if (nsCtx == null) {
        nsCtx = new NamespaceContextImpl();
        nsCtx.addNamespace("oai", "http://www.openarchives.org/OAI/2.0/");
        nsCtx.addNamespace("oai_dc", "http://www.openarchives.org/OAI/2.0/oai_dc/");
        nsCtx.addNamespace("dc", "http://purl.org/dc/elements/1.1/");
    }//from w  w  w . j  a v a2s  . c o m
    xpath.setNamespaceContext(nsCtx);
    return xpath;
}

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

protected AspectLexiconFactory addXmlAspect(AspectLexicon lexicon, Node aspectNode)
        throws XPathExpressionException {

    Validate.notNull(lexicon, CannedMessages.NULL_ARGUMENT, "lexicon");
    Validate.notNull(aspectNode, CannedMessages.NULL_ARGUMENT, "node");

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

    // if the node is called "lexicon" then we're at the root, so we won't need to add an aspect and its expressions.
    AspectLexicon aspect = lexicon;/*from  w  w  w  .  jav  a 2s . c  o  m*/
    if (!"aspect-lexicon".equalsIgnoreCase(aspectNode.getLocalName())) {
        String title = Validate.notEmpty(
                (String) xpath.compile("./@title").evaluate(aspectNode, XPathConstants.STRING),
                CannedMessages.EMPTY_ARGUMENT, "./aspect/@title");
        ;

        // fetch or create aspect.
        aspect = lexicon.findAspect(title);
        if (aspect == null) {
            aspect = lexicon.addAspect(title);
        }

        // get all expressions or keywords, whatever they're called.
        NodeList expressionNodes = (NodeList) xpath.compile("./expressions/expression").evaluate(aspectNode,
                XPathConstants.NODESET);
        if (expressionNodes == null || expressionNodes.getLength() == 0) {
            expressionNodes = (NodeList) xpath.compile("./keywords/keyword").evaluate(aspectNode,
                    XPathConstants.NODESET);
        }

        // add each of them if they don't exist.
        if (expressionNodes != null) {
            for (int index = 0; index < expressionNodes.getLength(); index++) {
                String expression = expressionNodes.item(index).getTextContent().trim();
                if (!aspect.hasExpression(expression)) {
                    aspect.addExpression(expression);
                }
            }
        }
    }

    // get all sub-aspects and add them recursively.
    NodeList subAspectNodes = (NodeList) xpath.compile("./aspects/aspect").evaluate(aspectNode,
            XPathConstants.NODESET);
    if (subAspectNodes != null) {
        for (int index = 0; index < subAspectNodes.getLength(); index++) {
            this.addXmlAspect(aspect, subAspectNodes.item(index));
        }
    }

    return this;
}

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

private void parseConnectorsThreadData() 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 connectorsNodeList = (NodeList) xpath.compile("//status/connector")
            .evaluate(doc.getDocumentElement(), XPathConstants.NODESET);

    for (int i = 0; i < connectorsNodeList.getLength(); i++) {
        Node connector = connectorsNodeList.item(i);
        NodeList connectorChildren = connector.getChildNodes();

        final String connectorName = connector.getAttributes().getNamedItem("name").getNodeValue();
        for (int j = 0; j < connectorChildren.getLength(); j++) {
            Node node = connectorChildren.item(j);
            if (node.getNodeName().equalsIgnoreCase("threadInfo")) {

                NamedNodeMap atts = node.getAttributes();

                long maxThreads = Long.parseLong(atts.getNamedItem("maxThreads").getNodeValue());
                long currentThreadsBusy = Long
                        .parseLong(atts.getNamedItem("currentThreadsBusy").getNodeValue());
                long currentThreadCount = Long
                        .parseLong(atts.getNamedItem("currentThreadCount").getNodeValue());

                connectorThreadData.put(connectorName,
                        new ThreadData(connectorName, currentThreadCount, currentThreadsBusy, maxThreads));
            }/*from w  w  w.  java 2  s .  c  o m*/
        }
    }
}

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. j  a va2 s.co  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;
}