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:com.cloudseal.spring.client.namespace.Utility.java

public static void removeNode(final Element rootElement, final String xPathLocation)
        throws XPathExpressionException {
    final XPath xPath = XPathFactory.newInstance().newXPath();
    xPath.setNamespaceContext(new CloudSealNamespaceContext());
    final Node node = (Node) xPath.evaluate(xPathLocation, rootElement, XPathConstants.NODE);
    final short nodeType = node.getNodeType();

    switch (nodeType) {
    case Node.ELEMENT_NODE:
        final Node parent = node.getParentNode();
        parent.removeChild(node);//from  www  .  j  a  va 2 s.  co m
        break;

    case Node.ATTRIBUTE_NODE:
        final Attr attribute = (Attr) node;
        final Element element = attribute.getOwnerElement();
        element.removeAttributeNode(attribute);
        break;

    default:
        throw new IllegalArgumentException("Not supported node type: " + nodeType);
    }
}

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From source file:ch.entwine.weblounge.bridge.oaipmh.harvester.OaiPmhResponse.java

/**
 * Create an XPath object suitable for processing OAI-PMH response documents.
 *//*  w  w  w .j av  a  2s  .co m*/
public static XPath createXPath() {
    XPath xPath = XPathFactory.newInstance().newXPath();
    xPath.setNamespaceContext(OaiPmhNamespaceContext.getContext());
    return xPath;
}

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From source file:Main.java

public static XPath getSchemaXPath() {
    XPath xPath = schemaXPathThreadLocal.get();

    if (xPath == null) {
        xPath = XPathFactory.newInstance().newXPath();

        xPath.setNamespaceContext(new NamespaceContext() {
            @Override//from  w w w. ja  va2s. c  om
            public String getNamespaceURI(String prefix) {
                return XMLConstants.W3C_XML_SCHEMA_NS_URI;
            }

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

            @Override
            public Iterator getPrefixes(String namespaceURI) {
                return Arrays.asList("xs").iterator();
            }
        });
        schemaXPathThreadLocal.set(xPath);
    }

    return xPath;
}

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From source file:com.github.radium226.github.maven.MetaDataDownloader.java

public static String evaluateXPath(InputStream pomInputStream, String expression)
        throws XPathExpressionException {
    XPathFactory xPathFactory = XPathFactory.newInstance();
    XPath xPath = xPathFactory.newXPath();
    xPath.setNamespaceContext(new NamespaceContext() {

        @Override/*from w  w w  .j av  a2s  . c o m*/
        public String getNamespaceURI(String prefix) {
            if (prefix.equals("ns")) {
                return "http://maven.apache.org/POM/4.0.0";
            }

            return null;
        }

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

        @Override
        public Iterator getPrefixes(String namespaceURI) {
            return null;
        }
    });
    XPathExpression xPathExpression = xPath.compile(expression);
    String version = (String) xPathExpression.evaluate(new InputSource(pomInputStream), XPathConstants.STRING);
    return version;
}

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From source file:net.bpelunit.test.util.TestUtil.java

public static Node getNode(Element literalData, NamespaceContextImpl context, String string)
        throws XPathExpressionException {
    XPath xpath = XPathFactory.newInstance().newXPath();
    xpath.setNamespaceContext(context);
    return (Node) xpath.evaluate(string, literalData, XPathConstants.NODE);
}

---

From source file:io.wcm.testing.mock.osgi.OsgiMetadataUtil.java

public static Set<String> getServiceInterfaces(Document document) {
    Set<String> serviceInterfaces = new HashSet<>();

    if (document != null) {
        try {//w  ww  .  java  2s  .c  o m
            XPath xpath = XPATH_FACTORY.newXPath();
            xpath.setNamespaceContext(NAMESPACE_CONTEXT);
            NodeList nodes = (NodeList) xpath.evaluate(
                    "/components/component[1]/service/provide[@interface!='']", document,
                    XPathConstants.NODESET);
            if (nodes != null) {
                for (int i = 0; i < nodes.getLength(); i++) {
                    Node node = nodes.item(i);
                    String serviceInterface = node.getAttributes().getNamedItem("interface").getNodeValue();
                    if (StringUtils.isNotBlank(serviceInterface)) {
                        serviceInterfaces.add(serviceInterface);
                    }
                }
            }
        } catch (XPathExpressionException ex) {
            throw new RuntimeException("Error evaluating XPath.", ex);
        }
    }

    return serviceInterfaces;
}

---

From source file:io.wcm.testing.mock.osgi.OsgiMetadataUtil.java

public static Map<String, Object> getProperties(Document document) {
    Map<String, Object> props = new HashMap<>();

    if (document != null) {
        try {/*from w  ww  .  ja  v  a 2  s  .  c  om*/
            XPath xpath = XPATH_FACTORY.newXPath();
            xpath.setNamespaceContext(NAMESPACE_CONTEXT);
            NodeList nodes = (NodeList) xpath.evaluate(
                    "/components/component[1]/property[@name!='' and @value!='']", document,
                    XPathConstants.NODESET);
            if (nodes != null) {
                for (int i = 0; i < nodes.getLength(); i++) {
                    Node node = nodes.item(i);
                    String name = node.getAttributes().getNamedItem("name").getNodeValue();
                    String value = node.getAttributes().getNamedItem("value").getNodeValue();
                    String type = null;
                    Node typeAttribute = node.getAttributes().getNamedItem("type");
                    if (typeAttribute != null) {
                        type = typeAttribute.getNodeValue();
                    }
                    if (StringUtils.equals("Integer", type)) {
                        props.put(name, Integer.parseInt(value));
                    } else {
                        props.put(name, value);
                    }
                }
            }
        } catch (XPathExpressionException ex) {
            throw new RuntimeException("Error evaluating XPath.", ex);
        }
    }

    return props;
}

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From source file:org.opencastproject.remotetest.util.Utils.java

public static Object xpath(Document document, String path, QName returnType)
        throws XPathExpressionException, TransformerException {
    XPath xPath = XPathFactory.newInstance().newXPath();
    xPath.setNamespaceContext(new UniversalNamespaceResolver(document));
    return xPath.compile(path).evaluate(document, returnType);
}

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From source file:be.fedict.eid.applet.service.signer.odf.ODFUtil.java

/**
 * Check if an ODF package is self-contained, i.e. content files don't have
 * OLE objects linked to external files/*from w  w w.j  a v  a  2 s .c  om*/
 * 
 * @param odfUrl
 * @return
 * @throws IOException
 * @throws ParserConfigurationException
 * @throws SAXException
 * @throws XPathExpressionException
 */
public static boolean isSelfContained(URL odfUrl)
        throws IOException, ParserConfigurationException, SAXException, XPathExpressionException {
    InputStream odfInputStream = odfUrl.openStream();
    List zipEntries = getZipEntriesAsList(odfInputStream);

    odfInputStream = odfUrl.openStream();
    ZipInputStream odfZipInputStream = new ZipInputStream(odfInputStream);
    ZipEntry zipEntry;

    XPathFactory factory = XPathFactory.newInstance();
    /* Maybe a bit overkill, but implementations can use other prefixes */
    ODFNamespaceContext namespaceContext = new ODFNamespaceContext();

    XPath xpath = factory.newXPath();
    xpath.setNamespaceContext(namespaceContext);
    XPathExpression expression = xpath.compile("//draw:object/@xlink:href|" + "//draw:object-ole/@xlink:href|"
            + "//draw:image/@xlink:href|" + "//draw:floating-frame/@xlink:href");

    while (null != (zipEntry = odfZipInputStream.getNextEntry())) {
        if (isContentFile(zipEntry)) {
            /* TODO: pure SAX is probably more memory-efficient */
            Document content = ODFUtil.loadDocument(odfZipInputStream);
            NodeList nodes = (NodeList) expression.evaluate(content, XPathConstants.NODESET);
            return checkNodes(nodes, zipEntries);
        }
    }
    return true;
}

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From source file:Main.java

public static final String[] executeXPathExpression(InputSource inputSource, String xpathExpression,
        String namespace) throws XPathExpressionException, SAXException, IOException,
        ParserConfigurationException, TransformerException {

    // optional namespace spec: xmlns:prefix:URI
    String nsPrefix = null;/*from ww  w.  j av a2 s  .  c  o m*/
    String nsUri = null;
    if (namespace != null && namespace.startsWith("xmlns:")) {
        String[] nsDef = namespace.substring("xmlns:".length()).split("=");
        if (nsDef.length == 2) {
            nsPrefix = nsDef[0];
            nsUri = nsDef[1];
        }
    }

    // Parse XML to DOM
    DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
    dbFactory.setNamespaceAware(true);
    Document doc = dbFactory.newDocumentBuilder().parse(inputSource);

    // Find nodes by XPATH
    XPathFactory xpFactory = XPathFactory.newInstance();
    XPath xpath = xpFactory.newXPath();

    // namespace?
    if (nsPrefix != null) {
        final String myPrefix = nsPrefix;
        final String myUri = nsUri;
        xpath.setNamespaceContext(new NamespaceContext() {
            public String getNamespaceURI(String prefix) {
                return myPrefix.equals(prefix) ? myUri : null;
            }

            public String getPrefix(String namespaceURI) {
                return null; // we are not using this.
            }

            public Iterator<?> getPrefixes(String namespaceURI) {
                return null; // we are not using this.
            }
        });
    }

    XPathExpression expr = xpath.compile(xpathExpression);
    NodeList nodes = (NodeList) expr.evaluate(doc, XPathConstants.NODESET);

    List<String> lines = new ArrayList<>();

    for (int i = 0; i < nodes.getLength(); i++) {
        lines.add((indenting(nodes.item(i))));
    }

    return lines.toArray(new String[lines.size()]);

}

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