Example usage for javax.xml.xpath XPathConstants NODE

Introduction

In this page you can find the example usage for javax.xml.xpath XPathConstants NODE.

Prototype

QName NODE

To view the source code for javax.xml.xpath XPathConstants NODE.

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Document

The XPath 1.0 NodeSet data type.

Usage

From source file:org.directwebremoting.drapgen.generate.gi.GiType.java

/**
 * Find implementing functions/*from   w ww .j a  v a  2  s.  com*/
 *   <method access="public" id="method:setEnabled" name="setEnabled">...
 * @param name A method name to find in the input document
 * @return the node that matches the given name
 */
public GiMethod getImplementationDeclaration(String name) {
    try {
        XPathExpression implementationFinder = xpath.compile("//method[@name='" + name + "']");
        return new GiMethod((Element) implementationFinder.evaluate(document, XPathConstants.NODE),
                getClassName());
    } catch (XPathExpressionException ex) {
        throw new RuntimeException(ex);
    }
}

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From source file:org.dita.dost.util.DitaUtil.java

private static String getFileNameFromMap(String ditaMapPath) {

    StringBuffer fileName = new StringBuffer();

    try {/*from  w  w w .  jav a 2 s .co m*/

        FileInputStream ditaMapStream;

        ditaMapStream = new FileInputStream(ditaMapPath);

        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

        factory.setNamespaceAware(true);

        factory.setValidating(false);

        factory.setFeature("http://xml.org/sax/features/namespaces", false);
        factory.setFeature("http://xml.org/sax/features/validation", false);
        factory.setFeature("http://apache.org/xml/features/nonvalidating/load-dtd-grammar", false);
        factory.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);

        DocumentBuilder builder;

        Document doc = null;

        XPathExpression expr = null;

        builder = factory.newDocumentBuilder();

        doc = builder.parse(new InputSource(ditaMapStream));

        XPathFactory xFactory = XPathFactory.newInstance();

        XPath xpath = xFactory.newXPath();

        expr = xpath.compile("//bookmap/bookmeta/prodinfo/prodname");

        Node prodNameNode = (Node) expr.evaluate(doc, XPathConstants.NODE);

        if (prodNameNode != null) {

            fileName.append(prodNameNode.getTextContent());

            expr = xpath.compile("//bookmap/bookmeta/prodinfo/vrmlist");

            Element vrmlistNode = (Element) expr.evaluate(doc, XPathConstants.NODE);

            if (vrmlistNode != null) {
                NodeList versions = vrmlistNode.getElementsByTagName("vrm");
                if (versions.getLength() > 0) {

                    NamedNodeMap versionAttributes = versions.item(0).getAttributes();
                    Attr releaseAttr = (Attr) versionAttributes.getNamedItem("release");

                    if (releaseAttr != null) {
                        fileName.append(String.format("_%s", releaseAttr.getValue()));
                    }

                    Attr versionAttr = (Attr) versionAttributes.getNamedItem("version");

                    if (versionAttr != null) {
                        fileName.append(String.format("_%s", versionAttr.getValue()));
                    }
                }
            }
        } else {
            expr = xpath.compile("/bookmap");
            prodNameNode = (Node) expr.evaluate(doc, XPathConstants.NODE);
            if (prodNameNode != null) {
                Node node = prodNameNode.getAttributes().getNamedItem("id");
                if (node != null) {
                    fileName.append(node.getTextContent());
                }
            } else {
                expr = xpath.compile("/map");
                prodNameNode = (Node) expr.evaluate(doc, XPathConstants.NODE);
                if (prodNameNode != null) {
                    Node node = prodNameNode.getAttributes().getNamedItem("title");
                    if (node != null) {
                        fileName.append(node.getTextContent());
                    }
                }
            }
        }
    } catch (FileNotFoundException e) {
    } catch (ParserConfigurationException e) {
    } catch (SAXException e) {
    } catch (IOException e) {
    } catch (XPathExpressionException e) {
    }
    return fileName.toString();
}

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From source file:org.docx4j.openpackaging.parts.XmlPart.java

/**
 * Set the value of the node referenced in the xpath expression.
 * //from w  w  w  .j ava 2s .co m
 * @param xpath
 * @param value
 * @param prefixMappings a string such as "xmlns:ns0='http://schemas.medchart'"
 * @return
 * @throws Docx4JException
 */
public boolean setNodeValueAtXPath(String xpath, String value, String prefixMappings) throws Docx4JException {

    try {
        getNamespaceContext().registerPrefixMappings(prefixMappings);

        Node n = (Node) xPath.evaluate(xpath, doc, XPathConstants.NODE);
        if (n == null) {
            log.debug("xpath returned null");
            return false;
        }
        log.debug(n.getClass().getName());

        // Method 1: Crimson throws error
        // Could avoid with System.setProperty("javax.xml.parsers.DocumentBuilderFactory",
        //       "com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl");
        //n.setTextContent(value);

        // Method 2: crimson ignores
        // n.setNodeValue(value);

        // Method 3: createTextNode, then append it
        // First, need to delete/replace existing text node 
        if (n.getChildNodes() != null && n.getChildNodes().getLength() > 0) {
            NodeList nodes = n.getChildNodes();
            for (int i = nodes.getLength(); i > 0; i--) {
                n.removeChild(nodes.item(i - 1));
            }
        }
        Text t = n.getOwnerDocument().createTextNode(value);
        n.appendChild(t);

        // cache is now invalid
        return true;
    } catch (Exception e) {
        throw new Docx4JException("Problem setting value at xpath " + xpath);
    }

}

---

From source file:org.dspace.content.authority.DSpaceControlledVocabulary.java

@Override
public String getLabel(String field, String key, String locale) {
    init();/*from w  w  w . j  a  v  a  2 s  . c  o m*/
    String xpathExpression = String.format(idTemplate, key);
    XPath xpath = XPathFactory.newInstance().newXPath();
    try {
        Node node = (Node) xpath.evaluate(xpathExpression, vocabulary, XPathConstants.NODE);
        return node.getAttributes().getNamedItem("label").getNodeValue();
    } catch (XPathExpressionException e) {
        return ("");
    }
}

---

From source file:org.easyrec.service.core.impl.ProfileServiceImpl.java

/**
 * Used//  w w w  .j av  a  2s . c o m
 * @param tenantId
 * @param itemId
 * @param itemTypeId
 * @param dimensionXPath
 * @param value
 *
 */
@Override
public synchronized boolean storeProfileField(Integer tenantId, String itemId, String itemTypeId,
        String dimensionXPath, String value) throws Exception {

    int itemIntID = idMappingDAO.lookup(itemId);

    XPathFactory xpf = XPathFactory.newInstance();

    // load and parse the profile
    Document doc = getProfileXMLDocument(tenantId, itemIntID, itemTypeId);

    // follow the XPath from bottom to top until you find the first existing path element
    XPath xp = xpf.newXPath();
    String tmpPath = dimensionXPath;
    NodeList nodeList = (NodeList) xp.evaluate(tmpPath, doc, XPathConstants.NODESET);
    if (nodeList.getLength() > 1)
        throw new MultipleProfileFieldsFoundException(nodeList.getLength() + " nodes found.");

    Node node = null;
    if (nodeList.getLength() == 1)
        nodeList.item(0).setTextContent(value);
    else {
        while (node == null) {
            tmpPath = dimensionXPath.substring(0, tmpPath.lastIndexOf("/"));
            if ("".equals(tmpPath))
                tmpPath = "/";
            node = (Node) xp.evaluate(tmpPath, doc, XPathConstants.NODE);
        }
        insertElement(doc, node, dimensionXPath.substring(tmpPath.length()), value);
    }

    StringWriter writer = new StringWriter();
    Result result = new StreamResult(writer);
    trans.transform(new DOMSource(doc), result);
    writer.close();
    String xml = writer.toString();
    logger.debug(xml);
    storeProfile(tenantId, itemId, itemTypeId, xml);

    return true;
}

---

From source file:org.easyrec.service.domain.profile.impl.ProfileServiceImpl.java

public void insertOrUpdateMultiDimension(Integer tenantId, Integer itemId, String itemTypeId,
        String dimensionXPath, List<String> values) {

    XPathFactory xpf = XPathFactory.newInstance();

    try {//from  w ww  . jav  a 2s. c  om
        // load and parse the profile
        DocumentBuilder db = validationParsers.get(tenantId).get(itemTypeId);
        Document doc = db.parse(new InputSource(new StringReader(getProfile(tenantId, itemId, itemTypeId))));
        // check if the element exists
        Node node = null;
        Node parent = null;
        XPath xp = xpf.newXPath();
        for (Iterator<String> it = values.iterator(); it.hasNext();) {
            String value = it.next();
            // look if value already exists
            node = (Node) xp.evaluate(dimensionXPath + "[text()='" + value + "']", doc, XPathConstants.NODE);
            // if value exists, value can be discarded
            if (node != null) {
                // optimization: if a node was found, store the parent; later no new XPath evaluation is necessary
                parent = node.getParentNode();
                it.remove();
            }
        }
        if (values.isEmpty())
            return; // nothing left to do
        String parentPath = dimensionXPath.substring(0, dimensionXPath.lastIndexOf("/"));
        // find path to parent
        if (parent == null) {
            String tmpPath = parentPath;
            while (parent == null) {
                tmpPath = parentPath.substring(0, tmpPath.lastIndexOf("/"));
                parent = (Node) xp.evaluate(tmpPath, doc, XPathConstants.NODE);
            }
            parent = insertElement(doc, parent, parentPath.substring(tmpPath.length()), null);
        }
        String tag = dimensionXPath.substring(parentPath.length() + 1);
        for (String value : values) {
            Element el = doc.createElement(tag);
            el.setTextContent(value);
            parent.appendChild(el);
        }

        StringWriter writer = new StringWriter();
        Result result = new StreamResult(writer);
        trans.transform(new DOMSource(doc), result);
        writer.close();
        String xml = writer.toString();
        logger.debug(xml);
        storeProfile(tenantId, itemId, itemTypeId, xml, true);

    } catch (Exception e) {
        logger.error("Error inserting Multi Dimension: " + e.getMessage());
        e.printStackTrace();
    }
}

---

From source file:org.easyrec.service.domain.profile.impl.ProfileServiceImpl.java

public void insertOrUpdateSimpleDimension(Integer tenantId, Integer itemId, String itemTypeId,
        String dimensionXPath, String value) {

    XPathFactory xpf = XPathFactory.newInstance();
    try {/*from   w  w  w.  j  ava2 s. c  om*/
        // load and parse the profile
        DocumentBuilder db = validationParsers.get(tenantId).get(itemTypeId);
        Document doc = db.parse(new InputSource(new StringReader(getProfile(tenantId, itemId, itemTypeId))));
        // check if the element exists
        XPath xp = xpf.newXPath();
        Node node = (Node) xp.evaluate(dimensionXPath, doc, XPathConstants.NODE);
        // if the element exists, just update the value
        if (node != null) {
            // if value doesn't change, there is no need to alter the profile and write it to database
            if (value.equals(node.getTextContent()))
                return;
            node.setTextContent(value);
        } else { // if the element cannot be found, insert it at the position given in the dimensionXPath
            // follow the XPath from bottom to top until you find the first existing path element
            String tmpPath = dimensionXPath;
            while (node == null) {
                tmpPath = dimensionXPath.substring(0, tmpPath.lastIndexOf("/"));
                node = (Node) xp.evaluate(tmpPath, doc, XPathConstants.NODE);
            }
            // found the correct node to insert or ended at Document root, hence insert
            insertElement(doc, node, dimensionXPath.substring(tmpPath.length()/*, dimensionXPath.length()*/),
                    value);
        }

        StringWriter writer = new StringWriter();
        Result result = new StreamResult(writer);
        trans.transform(new DOMSource(doc), result);
        writer.close();
        String xml = writer.toString();
        logger.debug(xml);
        storeProfile(tenantId, itemId, itemTypeId, xml, true);

    } catch (Exception e) {
        logger.error("Error inserting Simple Dimension: " + e.getMessage());
        e.printStackTrace();
    }

}

---

From source file:org.eclipse.lyo.testsuite.oslcv2.asset.GetAndUpdateXmlTests.java

private NodeList getAssetNodeChildren(Document document) throws XPathExpressionException {
    String path = "/rdf:RDF/oslc_asset:Asset";
    XPath xpath = OSLCUtils.getXPath();
    Node asset = (Node) xpath.evaluate(path, document, XPathConstants.NODE);
    return asset.getChildNodes();
}

---

From source file:org.eclipse.lyo.testsuite.oslcv2.asset.UsageCaseXmlTests.java

@Test
public void publishUsageCase() throws IOException, ParseException, ParserConfigurationException, SAXException,
        TransformerException, XPathException {
    // Get url//  www  .  j ava 2s . c  om
    ArrayList<String> serviceUrls = getServiceProviderURLsUsingXML(setupProps.getProperty("baseUri"));
    ArrayList<String> capabilityURLsUsingRdfXml = TestsBase.getCapabilityURLsUsingRdfXml(
            OSLCConstants.CREATION_PROP, serviceUrls, useDefaultUsageForCreation, null);
    currentUrl = capabilityURLsUsingRdfXml.get(0);

    // Create the asset      
    assetUrl = createAsset(xmlCreateTemplate);
    assertTrue("The location of the asset after it was create was not returned", assetUrl != null);

    // Add the artifact to the asset
    String artifactFactory = getArtifactFactory();

    Header[] header = addHeader(new BasicHeader("oslc_asset.name", "/helpFolder/help"));

    //String fileName = setupProps.getProperty("createTemplateArtifactXmlFile");
    String fileName = setupProps.getProperty("createTemplateXmlFile");
    assertTrue("There needs to be an artifact template file", fileName != null);
    String artifact = OSLCUtils.readFileByNameAsString(fileName);

    HttpResponse response = OSLCUtils.postDataToUrl(artifactFactory, creds, OSLCConstants.CT_XML,
            OSLCConstants.CT_XML, artifact, header);
    EntityUtils.consume(response.getEntity());
    assertTrue("Expected " + HttpStatus.SC_OK + ", received " + response.getStatusLine().getStatusCode(),
            response.getStatusLine().getStatusCode() == HttpStatus.SC_CREATED);

    // Get updated asset and update the artifact
    HttpResponse resp = getAssetResponse();
    String content = EntityUtils.toString(resp.getEntity());
    Document document = OSLCUtils.createXMLDocFromResponseBody(content);
    EntityUtils.consume(resp.getEntity());
    String path = "/rdf:RDF/oslc_asset:Asset/oslc_asset:artifact[1]/oslc_asset:Artifact";
    XPath xpath = OSLCUtils.getXPath();
    Node artifactNode = (Node) xpath.evaluate(path, document, XPathConstants.NODE);

    NodeList artifactKids = artifactNode.getChildNodes();
    Node label = null;
    for (int i = 0; i < artifactKids.getLength(); i++) {
        if (artifactKids.item(i).getNodeName().equals("oslc:label")) {
            label = artifactKids.item(i);
            break;
        }
    }

    String labelValue = "this value was changed";
    if (label == null) {
        label = document.createElement("oslc:label");
        label.setTextContent(labelValue);
        artifactNode.appendChild(label);
    } else {
        label.setTextContent(labelValue);
    }

    // Update asset
    content = OSLCUtils.createStringFromXMLDoc(document);
    putAsset(content);

    // Check to see if the label was updated
    resp = getAssetResponse();
    content = EntityUtils.toString(resp.getEntity());
    document = OSLCUtils.createXMLDocFromResponseBody(content);
    EntityUtils.consume(resp.getEntity());
    path = "/rdf:RDF/oslc_asset:Asset/oslc_asset:artifact[1]/oslc_asset:Artifact/oslc:label";
    xpath = OSLCUtils.getXPath();
    label = (Node) xpath.evaluate(path, document, XPathConstants.NODE);
    assertTrue("Could not find the artifact's label node", label != null);
    assertEquals("The label was not updated properly", labelValue, label.getTextContent());
}

---

From source file:org.eclipse.lyo.testsuite.oslcv2.asset.UsageCaseXmlTests.java

private void retrieveArtifact(String asset)
        throws ParserConfigurationException, IOException, SAXException, XPathExpressionException {
    Document document = OSLCUtils.createXMLDocFromResponseBody(asset);
    String path = "/rdf:RDF/oslc_asset:Asset/oslc_asset:artifact[1]/oslc_asset:Artifact/oslc_asset:content";
    XPath xpath = OSLCUtils.getXPath();
    Node content = (Node) xpath.evaluate(path, document, XPathConstants.NODE);
    assertTrue("Could not find the artifact", content != null);

    NamedNodeMap attributes = content.getAttributes();
    String artifactUrl = attributes.getNamedItem("rdf:resource").getNodeValue();
    assertTrue("No artifact could be found in the asset", artifactUrl != null);

    HttpResponse resp = OSLCUtils.getDataFromUrl(artifactUrl, creds, acceptType, contentType, headers);
    EntityUtils.consume(resp.getEntity());
    assertTrue("Expected " + HttpStatus.SC_OK + ", received " + resp.getStatusLine().getStatusCode(),
            resp.getStatusLine().getStatusCode() == HttpStatus.SC_OK);
}

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