Example usage for javax.xml.xpath XPath setNamespaceContext

Introduction

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

Prototype

public void setNamespaceContext(NamespaceContext nsContext);

Source Link

Document

Establish a namespace context.

Usage

From source file:eu.scape_project.planning.evaluation.evaluators.XmlExtractor.java

/**
 * very useful: {@link http// w  ww.  ja va  2  s .c  o m
 * ://www.ibm.com/developerworks/library/x-javaxpathapi.html}
 * 
 * @param doc
 * @param path
 * @param scale
 * @return
 * @throws ParserConfigurationException
 * @throws SAXException
 * @throws IOException
 * @throws XPathExpressionException
 */
private String extractTextInternal(Document doc, String path)
        throws ParserConfigurationException, SAXException, IOException, XPathExpressionException {

    XPathFactory factory = XPathFactory.newInstance();

    XPath xpath = factory.newXPath();
    xpath.setNamespaceContext(namespaceContext);
    XPathExpression expr = xpath.compile(path);
    try {
        String result = (String) expr.evaluate(doc, XPathConstants.STRING);
        return result;
    } catch (Exception e) {
        log.error("XML extraction for path " + path + " failed: " + e.getMessage(), e);
        return "XML extraction for path " + path + " failed: " + e.getMessage();
    }
}

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From source file:org.orcid.examples.jopmts.mvc.OrcidController.java

private XPath createXPath() {
    XPath xpath = XPathFactory.newInstance().newXPath();
    xpath.setNamespaceContext(createNamespaceContext());
    return xpath;
}

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From source file:org.jboss.spring.factory.NamedXmlBeanFactory.java

private void initializeNames(Resource resource) {
    try {//  ww w  .  j  ava  2  s  . c  o  m
        XPath xPath = XPathFactory.newInstance().newXPath();
        xPath.setNamespaceContext(new NamespaceContext() {
            @Override
            public String getNamespaceURI(String prefix) {
                return "http://www.springframework.org/schema/beans";
            }

            @Override
            public String getPrefix(String namespaceURI) {
                return "beans";
            }

            @Override
            public Iterator getPrefixes(String namespaceURI) {
                return Collections.singleton("beans").iterator();
            }
        });
        String expression = "/beans:beans/beans:description";
        InputSource inputSource = new InputSource(resource.getInputStream());
        String description = xPath.evaluate(expression, inputSource);
        if (description != null) {
            Matcher bfm = Pattern.compile(Constants.BEAN_FACTORY_ELEMENT).matcher(description);
            if (bfm.find()) {
                this.name = bfm.group(1);
            }
            Matcher pbfm = Pattern.compile(Constants.PARENT_BEAN_FACTORY_ELEMENT).matcher(description);
            if (pbfm.find()) {
                String parentName = pbfm.group(1);
                try {
                    this.setParentBeanFactory((BeanFactory) Util.lookup(parentName, BeanFactory.class));
                } catch (Exception e) {
                    throw new BeanDefinitionStoreException(
                            "Failure during parent bean factory JNDI lookup: " + parentName, e);
                }
            }
            Matcher inst = Pattern.compile(Constants.INSTANTIATION_ELEMENT).matcher(description);
            if (inst.find()) {
                instantiate = Boolean.parseBoolean(inst.group(1));
            }
        }
        if (this.name == null || "".equals(StringUtils.trimAllWhitespace(this.name))) {
            this.name = this.defaultName;
        }
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

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From source file:org.codice.ddf.admin.sources.opensearch.OpenSearchSourceUtils.java

public UrlAvailability getUrlAvailability(String url, String un, String pw) {
    UrlAvailability result = new UrlAvailability(url);
    boolean queryResponse;
    int status;/*from w w  w. j  av a  2 s  . c o m*/
    String contentType;
    HttpGet request = new HttpGet(url + SIMPLE_QUERY_PARAMS);
    CloseableHttpResponse response = null;
    CloseableHttpClient client = null;

    if (url.startsWith("https") && un != null && pw != null) {
        byte[] auth = Base64.encodeBase64((un + ":" + pw).getBytes());
        request.setHeader(HttpHeaders.AUTHORIZATION, "Basic " + new String(auth));
    }
    XPath xpath = XPathFactory.newInstance().newXPath();
    xpath.setNamespaceContext(SOURCES_NAMESPACE_CONTEXT);
    try {
        client = getCloseableHttpClient(false);
        response = client.execute(request);
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        factory.setNamespaceAware(true);
        DocumentBuilder builder = factory.newDocumentBuilder();
        Document responseXml = builder.parse(response.getEntity().getContent());
        queryResponse = (Boolean) xpath.compile(TOTAL_RESULTS_XPATH).evaluate(responseXml,
                XPathConstants.BOOLEAN);
        status = response.getStatusLine().getStatusCode();
        contentType = response.getEntity().getContentType().getValue();
        if (status == HTTP_OK && OPENSEARCH_MIME_TYPES.contains(contentType) && queryResponse) {
            return result.trustedCertAuthority(true).certError(false).available(true);
        } else {
            return result.trustedCertAuthority(true).certError(false).available(false);
        }
    } catch (SSLPeerUnverifiedException e) {
        // This is the hostname != cert name case - if this occurs, the URL's SSL cert configuration
        // is incorrect, or a serious network security issue has occurred.
        return result.trustedCertAuthority(false).certError(true).available(false);
    } catch (Exception e) {
        try {
            closeClientAndResponse(client, response);
            client = getCloseableHttpClient(true);
            response = client.execute(request);
            status = response.getStatusLine().getStatusCode();
            contentType = response.getEntity().getContentType().getValue();
            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
            factory.setNamespaceAware(true);
            DocumentBuilder builder = factory.newDocumentBuilder();
            Document responseXml = builder.parse(response.getEntity().getContent());
            queryResponse = (Boolean) xpath.compile(TOTAL_RESULTS_XPATH).evaluate(responseXml,
                    XPathConstants.BOOLEAN);
            if (status == HTTP_OK && OPENSEARCH_MIME_TYPES.contains(contentType) && queryResponse) {
                return result.trustedCertAuthority(false).certError(false).available(true);
            }
        } catch (Exception e1) {
            return result.trustedCertAuthority(false).certError(false).available(false);
        }
    } finally {
        closeClientAndResponse(client, response);
    }
    return result;
}

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From source file:org.codice.ddf.admin.sources.wfs.WfsSourceUtils.java

public Optional<WfsSourceConfiguration> getPreferredConfig(WfsSourceConfiguration configuration) {
    WfsSourceConfiguration config = new WfsSourceConfiguration(configuration);
    String wfsVersionExp = "/wfs:WFS_Capabilities/attribute::version";
    HttpGet getCapabilitiesRequest = new HttpGet(
            config.endpointUrl() + GET_CAPABILITIES_PARAMS + ACCEPT_VERSION_PARAMS);
    if (configuration.endpointUrl().startsWith("https") && config.sourceUserName() != null
            && config.sourceUserPassword() != null) {
        byte[] auth = Base64
                .encodeBase64((config.sourceUserName() + ":" + config.sourceUserPassword()).getBytes());
        getCapabilitiesRequest.setHeader(HttpHeaders.AUTHORIZATION, "Basic " + new String(auth));
    }// ww  w. ja v a2s.  c  o  m
    XPath xpath = XPathFactory.newInstance().newXPath();
    xpath.setNamespaceContext(SOURCES_NAMESPACE_CONTEXT);
    CloseableHttpClient client = null;
    CloseableHttpResponse response = null;
    try {
        client = getCloseableHttpClient(true);
        response = client.execute(getCapabilitiesRequest);
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        factory.setNamespaceAware(true);
        DocumentBuilder builder = factory.newDocumentBuilder();
        Document capabilitiesXml = builder.parse(response.getEntity().getContent());
        String wfsVersion = xpath.compile(wfsVersionExp).evaluate(capabilitiesXml);
        switch (wfsVersion) {
        case "2.0.0":
            return Optional.of((WfsSourceConfiguration) config.factoryPid(WFS2_FACTORY_PID));
        case "1.0.0":
            return Optional.of((WfsSourceConfiguration) config.factoryPid(WFS1_FACTORY_PID));
        default:
            return Optional.empty();
        }
    } catch (Exception e) {
        return Optional.empty();
    } finally {
        closeClientAndResponse(client, response);
    }
}

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From source file:eu.scape_project.planning.evaluation.evaluators.XmlExtractor.java

public HashMap<String, String> extractValues(Document xml, String path) {
    try {/*from ww  w  . j  ava  2  s . co m*/
        HashMap<String, String> resultMap = new HashMap<String, String>();

        XPathFactory factory = XPathFactory.newInstance();

        XPath xpath = factory.newXPath();
        xpath.setNamespaceContext(namespaceContext);
        XPathExpression expr = xpath.compile(path);

        NodeList list = (NodeList) expr.evaluate(xml, XPathConstants.NODESET);
        if (list != null) {
            for (int i = 0; i < list.getLength(); i++) {
                Node n = list.item(i);
                String content = n.getTextContent();
                if (content != null) {
                    resultMap.put(n.getLocalName(), content);
                }
            }
        }
        return resultMap;
    } catch (Exception e) {
        log.error("Could not parse XML " + " searching for path " + path + ": " + e.getMessage(), e);
        return null;
    }
}

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From source file:org.jboss.spring.factory.NamedXmlApplicationContext.java

private void initializeNames(Resource resource) {
    try {//from ww  w. j  ava 2 s . c o m
        XPath xPath = XPathFactory.newInstance().newXPath();
        xPath.setNamespaceContext(new NamespaceContext() {
            @Override
            public String getNamespaceURI(String prefix) {
                return "http://www.springframework.org/schema/beans";
            }

            @Override
            public String getPrefix(String namespaceURI) {
                return "beans";
            }

            @Override
            public Iterator getPrefixes(String namespaceURI) {
                return Collections.singleton("beans").iterator();
            }
        });
        String expression = "/beans:beans/beans:description";
        InputSource inputSource = new InputSource(resource.getInputStream());
        String description = xPath.evaluate(expression, inputSource);
        if (description != null) {
            Matcher bfm = Pattern.compile(Constants.BEAN_FACTORY_ELEMENT).matcher(description);
            if (bfm.find()) {
                this.name = bfm.group(1);
            }
            Matcher pbfm = Pattern.compile(Constants.PARENT_BEAN_FACTORY_ELEMENT).matcher(description);
            if (pbfm.find()) {
                String parentName = pbfm.group(1);
                try {
                    this.getBeanFactory()
                            .setParentBeanFactory((BeanFactory) Util.lookup(parentName, BeanFactory.class));
                } catch (Exception e) {
                    throw new BeanDefinitionStoreException(
                            "Failure during parent bean factory JNDI lookup: " + parentName, e);
                }
            }
        }
        if (this.name == null || "".equals(StringUtils.trimAllWhitespace(this.name))) {
            this.name = this.defaultName;
        }
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

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From source file:net.javacrumbs.springws.test.util.DefaultXmlUtil.java

@SuppressWarnings("unchecked")
public boolean isSoap(Document document) {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xpath = factory.newXPath();
    xpath.setNamespaceContext(SOAP_NAMESPACE_CONTEXT);
    try {/* www .j av  a 2  s . c o  m*/
        for (Iterator iterator = SOAP_NAMESPACE_CONTEXT.getBoundPrefixes(); iterator.hasNext();) {
            String prefix = (String) iterator.next();
            if ((Boolean) xpath.evaluate("/" + prefix + ":Envelope", document, XPathConstants.BOOLEAN)) {
                return true;
            }
        }
    } catch (XPathExpressionException e) {
        logger.warn(e);
    }
    return false;
}

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From source file:gov.nij.bundles.intermediaries.ers.EntityResolutionNamespaceContextHelperTest.java

@Test
public void testReturnNamespaceMapFromNode() throws Exception {
    //Retrieve ER xpath context
    XPath xpath;
    xpath = XPathFactory.newInstance().newXPath();
    xpath.setNamespaceContext(new EntityResolutionNamespaceContext());

    //Get the test attribute parameters configuration
    InputStream attributeParametersStream = getClass().getResourceAsStream("/xml/TestAttributeParameters.xml");
    assertNotNull(attributeParametersStream);

    //Convert to DOM document
    XmlConverter converter = new XmlConverter();
    converter.getDocumentBuilderFactory().setNamespaceAware(true);

    Document attributeParametersDocument = converter.toDOMDocument(attributeParametersStream);

    NodeList parameterNodes = null;

    //Perform Xpath to retrieve attribute parameters
    parameterNodes = (NodeList) xpath.evaluate("er-ext:AttributeParameter",
            attributeParametersDocument.getDocumentElement(), XPathConstants.NODESET);

    //Loop through attribute parameters to retrieve namespace map associated with attribute xpath
    for (int i = 0; i < parameterNodes.getLength(); i++) {
        Node node = parameterNodes.item(i);

        String attributeXpathValue = xpath.evaluate("er-ext:AttributeXPath", node);
        Map<String, String> namespaceMap = EntityResolutionNamespaceContextHelpers
                .returnNamespaceMapFromNode(attributeXpathValue, node);

        for (Map.Entry<String, String> entry : namespaceMap.entrySet()) {
            LOG.debug("Namespace Map Entry, Prefix : " + entry.getKey() + " Namespace : " + entry.getValue());
        }/*from   w w  w  .  j  a  va2 s . c  o m*/

        if (attributeXpathValue.equals("ext:PersonSearchResult/ext:Person/nc:PersonName/nc:PersonGivenName")) {
            assertEquals("http://niem.gov/niem/niem-core/2.0", namespaceMap.get("nc"));
            assertEquals("http://local.org/IEPD/Extensions/PersonSearchResults/1.0", namespaceMap.get("ext"));
        }

        if (attributeXpathValue.equals("ext:PersonSearchResult/ext:Person/nc:PersonName/nc:PersonSurName")) {
            assertEquals("http://niem.gov/niem/niem-core/2.0", namespaceMap.get("nc"));
            assertEquals("http://local.org/IEPD/Extensions/PersonSearchResults/1.0", namespaceMap.get("ext"));
        }

    }
}

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From source file:org.codice.ddf.admin.sources.csw.CswSourceUtils.java

public Optional<CswSourceConfiguration> getPreferredConfig(CswSourceConfiguration config) {
    CswSourceConfiguration preferred = new CswSourceConfiguration(config);
    HttpGet getCapabilitiesRequest = new HttpGet(preferred.endpointUrl() + GET_CAPABILITIES_PARAMS);
    CloseableHttpClient client = null;//from  w w w.  j av a  2  s  .co m
    CloseableHttpResponse response = null;
    if (config.endpointUrl().startsWith("https") && config.sourceUserName() != null
            && config.sourceUserPassword() != null) {
        byte[] auth = Base64
                .encodeBase64((config.sourceUserName() + ":" + config.sourceUserPassword()).getBytes());
        getCapabilitiesRequest.setHeader(HttpHeaders.AUTHORIZATION, "Basic " + new String(auth));
    }
    XPath xpath = XPathFactory.newInstance().newXPath();
    xpath.setNamespaceContext(SOURCES_NAMESPACE_CONTEXT);
    try {
        client = getCloseableHttpClient(true);
        response = client.execute(getCapabilitiesRequest);
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        factory.setNamespaceAware(true);
        DocumentBuilder builder = factory.newDocumentBuilder();
        Document capabilitiesXml = builder.parse(response.getEntity().getContent());
        if ((Boolean) xpath.compile(HAS_CATALOG_METACARD_EXP).evaluate(capabilitiesXml,
                XPathConstants.BOOLEAN)) {
            return Optional.of((CswSourceConfiguration) preferred.factoryPid(CSW_PROFILE_FACTORY_PID));
        } else if ((Boolean) xpath.compile(HAS_GMD_ISO_EXP).evaluate(capabilitiesXml, XPathConstants.BOOLEAN)) {
            return Optional.of(((CswSourceConfiguration) preferred.factoryPid(CSW_GMD_FACTORY_PID))
                    .outputSchema(GMD_OUTPUT_SCHEMA));
        } else {
            return Optional.of(((CswSourceConfiguration) (preferred.factoryPid(CSW_SPEC_FACTORY_PID)))
                    .outputSchema(xpath.compile(GET_FIRST_OUTPUT_SCHEMA).evaluate(capabilitiesXml)));
        }
    } catch (Exception e) {
        return Optional.empty();
    } finally {
        closeClientAndResponse(client, response);
    }
}

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