Example usage for javax.xml.xpath XPath compile

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

  1. HOME
  2. Java
  3. javax
  4. javax.xml.xpath.*
  5. XPath
  6. compile

Introduction

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

Prototype

public XPathExpression compile(String expression) throws XPathExpressionException;

Source Link

Document

Compile an XPath expression for later evaluation.

Usage

From source file:cz.cas.lib.proarc.common.export.mets.MetsUtils.java

/**
 *
 * Returns a node from the xml document defined by the Xpath
 *
 * @param elements/*from  ww w. j  a  va2s  . c  om*/
 * @param xPath
 * @return
 */
public static Node xPathEvaluateNode(List<Element> elements, String xPath) throws MetsExportException {
    Document document = null;
    try {
        document = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
    } catch (ParserConfigurationException e1) {
        throw new MetsExportException("Error while evaluating xPath " + xPath, false, e1);
    }

    for (Element element : elements) {
        Node newNode = element.cloneNode(true);
        document.adoptNode(newNode);
        document.appendChild(newNode);
    }
    XPath xpathObject = XPathFactory.newInstance().newXPath();

    try {
        return (Node) xpathObject.compile(xPath).evaluate(document, XPathConstants.NODE);
    } catch (XPathExpressionException e) {
        throw new MetsExportException("Error while evaluating xPath " + xPath, false, e);
    }
}

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

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

From source file:com.dianping.zebra.shard.jdbc.base.SingleDBBaseTestCase.java

protected void parseCreateTableScriptFile() throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = factory.newDocumentBuilder();
    Document configDoc = builder/*from  w w w.j a v a2 s .  com*/
            .parse(SingleDBBaseTestCase.class.getClassLoader().getResourceAsStream(getCreateTableScriptPath()));
    XPathFactory xpathFactory = XPathFactory.newInstance();
    XPath xpath = xpathFactory.newXPath();
    NodeList tableScriptList = (NodeList) xpath.compile("/tables/table").evaluate(configDoc,
            XPathConstants.NODESET);
    for (int i = 0; i < tableScriptList.getLength(); i++) {
        SingleCreateTableScriptEntry entry = new SingleCreateTableScriptEntry();
        Element ele = (Element) tableScriptList.item(i);
        entry.setTableName(ele.getAttribute("name"));
        entry.setCreateTableScript(ele.getTextContent());
        createdTableList.add(entry);
    }
}

From source file:org.easymock.itests.OsgiBaseTest.java

protected String getEasyMockVersion() {
    String version = getImplementationVersion(EasyMock.class);
    // Null means we are an IDE, not in Maven. So we have an IDE project dependency instead
    // of a Maven dependency with the jar. Which explains why the version is null (no Manifest
    // since there's no jar. In that case we get the version from the pom.xml and hope the Maven
    // jar is up-to-date in the local repository
    if (version == null) {
        try {//from   ww w  .  j  av a2  s .  co m
            XPath xPath = xPathFactory.newXPath();
            XPathExpression xPathExpression;
            try {
                xPathExpression = xPath.compile("/project/parent/version");
            } catch (XPathExpressionException e) {
                throw new RuntimeException(e);
            }

            DocumentBuilderFactory xmlFact = DocumentBuilderFactory.newInstance();
            xmlFact.setNamespaceAware(false);
            DocumentBuilder builder = xmlFact.newDocumentBuilder();
            Document doc = builder.parse(new File("pom.xml"));
            version = xPathExpression.evaluate(doc);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
    return version;
}

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

public String extractInfoObjectIdentifier(String infoObjectResponse) {

    String reportId = null;/*from ww w.  j a v  a 2  s  .  co m*/

    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;
}

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 av a  2s. 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;//from w ww . j ava  2s.co  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: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>.
 *///  w  w  w.  j ava  2s  .  c  o  m
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:org.openhim.mediator.denormalization.CSDRequestActor.java

private void processHTTPResponse(MediatorHTTPResponse response) {
    BaseResolveIdentifier originalRequest = originalRequests
            .remove(response.getOriginalRequest().getCorrelationId());
    String csdResponse = response.getBody();

    try {/*from   www . ja  v a  2s. c o  m*/
        DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
        Document doc = builder.parse(IOUtils.toInputStream(csdResponse));
        XPath xpath = XPathFactory.newInstance().newXPath();
        String resolvedId = xpath.compile(getXPAthExpressionForQueryType(originalRequest)).evaluate(doc);

        BaseResolveIdentifierResponse finalResponse = buildResponse(originalRequest, resolvedId);
        originalRequest.getRespondTo().tell(finalResponse, getSelf());
    } catch (ValidationException ex) {
        FinishRequest fr = new FinishRequest(ex.getMessage(), "text/plain", HttpStatus.SC_BAD_REQUEST);
        originalRequest.getRequestHandler().tell(fr, getSelf());
    } catch (ParserConfigurationException | SAXException | IOException | XPathExpressionException ex) {
        originalRequest.getRequestHandler().tell(new ExceptError(ex), getSelf());
    }
}

From source file:nl.surfnet.sab.SabResponseParser.java

/**
 * Check that response contains the success status. Throw IOException with message otherwise.
 *///ww  w  .  j av a 2  s . c om
private void validateStatus(Document document, XPath xpath) throws XPathExpressionException, IOException {

    XPathExpression statusCodeExpression = xpath.compile(XPATH_STATUSCODE);
    String statusCode = (String) statusCodeExpression.evaluate(document, XPathConstants.STRING);

    if (SAMLP_SUCCESS.equals(statusCode)) {
        // Success, validation returns.
        return;
    } else {
        // Status message is only set if status code not 'success'.
        XPathExpression statusMessageExpression = xpath.compile(XPATH_STATUSMESSAGE);
        String statusMessage = (String) statusMessageExpression.evaluate(document, XPathConstants.STRING);

        if (SAMLP_RESPONDER.equals(statusCode) && statusMessage.startsWith(NOT_FOUND_MESSAGE_PREFIX)) {
            LOG.debug(
                    "Given nameId not found in SAB. Is regarded by us as 'valid' response, although server response indicates a server error.");
            return;
        } else {
            throw new IOException("Unsuccessful status. Code: '" + statusCode + "', message: " + statusMessage);
        }
    }
}