Example usage for org.w3c.dom Element getTagName

Introduction

In this page you can find the example usage for org.w3c.dom Element getTagName.

Prototype

public String getTagName();

Source Link

Document

The name of the element.

Usage

From source file:com.bluexml.side.form.utils.DOMUtil.java

/**
 * Gets all elements of the list that match the tag name.
 * /*from  ww  w  .j  ava2  s.  c  om*/
 * @param elements
 *            the elements
 * @param tagName
 *            the tag name
 * 
 * @return the children by tag name
 */
public static List<Element> getElementsByTagName(List<Element> elements, String tagName) {
    List<Element> result = new ArrayList<Element>();
    for (Element element : elements) {
        if (StringUtils.equalsIgnoreCase(element.getTagName(), tagName)) {
            result.add(element);
        }
    }
    return result;
}

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From source file:com.bluexml.side.form.utils.DOMUtil.java

/**
 * Gets the immediate children whose tag name matches the given name.
 * /* w  w  w.  j av a2  s.  co  m*/
 * @param rootElement
 *            the root element
 * @param name
 *            the required tag name, possibly including namespace prefix and local name
 * 
 * @return the list of the relevant children. Never <code>null</code>.
 */
public static List<Element> getChildren(Element rootElement, String name) {
    List<Element> result = new ArrayList<Element>();
    NodeList childNodes = rootElement.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node child = childNodes.item(i);
        if (child instanceof Element) {
            Element element = (Element) child;
            if (StringUtils.equals(element.getTagName(), name)) {
                result.add(element);
            }
        }
    }
    return result;
}

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From source file:DOMTreeTest.java

public static JPanel elementPanel(Element e) {
        JPanel panel = new JPanel();
        panel.add(new JLabel("Element: " + e.getTagName()));
        final NamedNodeMap map = e.getAttributes();
        panel.add(new JTable(new AbstractTableModel() {
            public int getRowCount() {
                return map.getLength();
            }/*from ww w. j a  va  2 s.c o  m*/

            public int getColumnCount() {
                return 2;
            }

            public Object getValueAt(int r, int c) {
                return c == 0 ? map.item(r).getNodeName() : map.item(r).getNodeValue();
            }
        }));
        return panel;
    }

---

From source file:XMLUtils.java

/**
 * Get the next sibling element of a given element.
 * @param el//from w  w  w  .j  ava2s .  c  o  m
 * @return
 */
public static Element getNextSibling(Element el) {
    String tagName = el.getTagName();
    if (tagName == null) {
        return null;
    }
    Node n = el.getNextSibling();
    while (n != null && (!(n instanceof Element) || !tagName.equals(((Element) n).getTagName()))) {
        // get the next one
        n = n.getNextSibling();
    }

    if (n instanceof Element) {
        return (Element) n;
    } else {
        // else, nothing to return
        return null;
    }
}

---

From source file:edu.lternet.pasta.portal.search.BrowseGroup.java

public static BrowseGroup generateKeywordCache() {
    BrowseGroup controlledVocabulary = new BrowseGroup("Controlled Vocabulary");
    BrowseGroup lterSiteCache = generateLterSiteCache();
    controlledVocabulary.addBrowseGroup(lterSiteCache);

    try {/*from   w ww . jav  a2  s. c  om*/
        String topTermsXML = ControlledVocabularyClient.webServiceFetchTopTerms();
        DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
        InputStream inputStream = IOUtils.toInputStream(topTermsXML, "UTF-8");
        Document document = documentBuilder.parse(inputStream);
        Element documentElement = document.getDocumentElement();
        NodeList documentNodeList = documentElement.getElementsByTagName("term");

        for (int i = 0; i < documentNodeList.getLength(); i++) {
            Node documentNode = documentNodeList.item(i);
            NodeList childNodes = documentNode.getChildNodes();
            String termId = null;
            String value = null;

            for (int j = 0; j < childNodes.getLength(); j++) {

                Node childNode = childNodes.item(j);
                if (childNode instanceof Element) {
                    Element childElement = (Element) childNode;
                    if (childElement.getTagName().equals("term_id")) {
                        Text text = (Text) childElement.getFirstChild();
                        termId = text.getData().trim();
                    } else if (childElement.getTagName().equals("string")) {
                        Text text = (Text) childElement.getFirstChild();
                        value = text.getData().trim();
                    }
                }
            }

            BrowseGroup topTerm = new BrowseGroup(value);
            controlledVocabulary.addBrowseGroup(topTerm);
            topTerm.setTermId(termId);
            topTerm.setHasMoreDown("1");
            topTerm.addFetchDownElements();
        }
    } catch (Exception e) {
        logger.error("Exception:\n" + e.getMessage());
        e.printStackTrace();
        /*
         * By returning null, we let callers know that there was a problem
         * refreshing the browse cache, so callers will know not to
         * overwrite the previous results.
         */
        controlledVocabulary = null;
    }

    return controlledVocabulary;
}

---

From source file:Main.java

public static String toString(Element element) {
    if (element == null)
        return "null";

    Source source = new DOMSource(element);

    StringWriter stringWriter = new StringWriter();
    PrintWriter printWriter = new PrintWriter(stringWriter);
    Result result = new StreamResult(printWriter);

    try {/*from ww  w  .  j  a v  a 2 s. co  m*/
        Transformer transformer = TransformerFactory.newInstance().newTransformer();
        transformer.transform(source, result);
    } catch (Exception e) {
        throw new RuntimeException("couldn't write element '" + element.getTagName() + "' to string", e);
    }

    printWriter.close();

    return stringWriter.toString();
}

---

From source file:com.bluexml.side.form.utils.DOMUtil.java

/**
 * Gets the node value by tag name.//from  w  ww  . j  a va2s  . c  om
 * 
 * @param node
 *            the node
 * @param name
 *            the name
 * @param recursive
 *            the recursive
 * 
 * @return the node value by tag name
 */
public static String getNodeValueByTagName(Node node, String name, boolean recursive) {
    if (node instanceof Document) {
        return getNodeValueByTagName(((Document) node).getDocumentElement(), name, recursive);
    }

    if (node instanceof Element) {
        Element element = (Element) node;
        if (StringUtils.equals(element.getTagName(), name)) {
            return StringUtils.trimToNull(element.getTextContent());
        }
    }

    NodeList childNodes = node.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node item = childNodes.item(i);
        if (item instanceof Element) {
            Element element = (Element) item;
            if (StringUtils.equals(element.getTagName(), name)) {
                return StringUtils.trimToNull(element.getTextContent());
            }
            if (recursive) {
                String nodeValueByTagName = getNodeValueByTagName(item, name, true);
                if (nodeValueByTagName != null) {
                    return nodeValueByTagName;
                }
            }
        }
    }
    return null;
}

---

From source file:Main.java

/**
 * Get the text content of an element identified by a path,
 * where the path elements can include an index. The first
 * path element must not have an index, and its name must
 * match the name of the starting node. If the starting
 * node is a Document, the root Element of the document is
 * used as the starting point. Path elements must be separated
 * by the slash character. If the path starts with a slash,
 * the slash is ignored. If the element or attribute identified
 * by the path is not present as a child of the starting node,
 * the empty string is returned. If a path element identifies
 * an attribute, any subsequent path elements are ignored.
 * A path is in the form: /e1/e2/e3/... or /e1/e2/@attr
 * Note the slash preceding the attribute's @-sign.
 * @param node the starting node for the path. The first path
 * element must match the name of this node.
 * @param path the path to the target node.
 * @return the full text value of the target node (including all
 * descendent text nodes), or the empty string if the target is
 * not a descendent of the starting node.
 *///from  ww  w.  ja v a2 s  . c  o m
public static String getTextContent(Node node, String path) {
    if (node instanceof Document)
        node = ((Document) node).getDocumentElement();
    if (!(node instanceof Element))
        return "";
    Element el = (Element) node;
    path = path.replaceAll("\\s", "");
    if (path.startsWith("/"))
        path = path.substring(1);
    String[] pathElements = path.split("/");
    if (!pathElements[0].equals(el.getTagName()))
        return "";
    for (int i = 1; i < pathElements.length; i++) {
        String pe = pathElements[i];
        if (pe.startsWith("@")) {
            //If this path element identifies an attribute, return it
            //and ignore any further path elements.
            return el.getAttribute(pe.substring(1));
        } else {
            //This path element identifies an Element. It may have an index.
            //Get the index, if present, and get the element name.
            int n = 0;
            int k = pe.indexOf("[");
            int kk = pe.lastIndexOf("]");
            if ((k != -1) && (k < kk)) {
                try {
                    n = Integer.parseInt(pe.substring(k + 1, kk));
                } catch (Exception ex) {
                    return "";
                }
                pe = pe.substring(0, k);
            } else if (k != kk)
                return "";
            //We now have the element name and the index.
            //Find the identified Element. We have to count
            //matching elements to find the one identified
            //by the index.
            int nn = 0;
            Node child = el.getFirstChild();
            while (child != null) {
                if ((child.getNodeType() == Node.ELEMENT_NODE) && child.getNodeName().equals(pe)) {
                    if (n == nn)
                        break;
                    nn++;
                }
                child = child.getNextSibling();
            }
            //If the child is null, we didn't find the identified Element.
            if (child == null)
                return "";
            //If we get here, we found it, now look for the next one.
            el = (Element) child;
        }
    }
    //Okay, we must be at the end of the path, and it must be an Element.
    //Return the text content of the element.
    return el.getTextContent();
}

---

From source file:it.cnr.icar.eric.server.security.authorization.RegistryPolicyFinderModule.java

/**
 * Loads a policy from the DataHandler, using the specified
 * <code>PolicyFinder</code> to help with instantiating PolicySets.
 *
 * @param DataHandler the DataHandler to load the policy from
 * @param finder a PolicyFinder used to help in instantiating PolicySets
 * @param handler an error handler used to print warnings and errors
 *                during parsing/*from w w  w  . ja  v a  2 s.  c  o  m*/
 *
 * @return a policy associated with the specified DataHandler
 *
 * @throws RegistryException exception thrown if there is a problem reading the DataHandler's input stream
 */
private static AbstractPolicy loadPolicy(DataHandler dh, PolicyFinder finder) throws RegistryException {
    AbstractPolicy policy = null;

    try {
        // create the factory
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        factory.setIgnoringComments(true);

        DocumentBuilder db = null;

        // set the factory to work the way the system requires
        // we're not doing any validation
        factory.setNamespaceAware(false);
        factory.setValidating(false);

        db = factory.newDocumentBuilder();

        // try to load the policy file
        Document doc = db.parse(dh.getInputStream());

        // handle the policy, if it's a known type
        Element root = doc.getDocumentElement();
        String name = root.getTagName();

        if (name.equals("Policy")) {
            policy = Policy.getInstance(root);
        } else if (name.equals("PolicySet")) {
            policy = PolicySet.getInstance(root, finder);
        } else {
            // this isn't a root type that we know how to handle
            throw new RegistryException(ServerResourceBundle.getInstance()
                    .getString("message.unknownRootDocumentType", new Object[] { name }));
        }
    } catch (Exception e) {
        log.error(ServerResourceBundle.getInstance().getString("message.FailedToLoadPolicy"), e);
        throw new RegistryException(e);
    }

    return policy;
}

---

From source file:com.impetus.kundera.loader.PersistenceXMLLoader.java

/**
 * Find persistence units.//w w  w. ja v a  2  s  .c  o  m
 * 
 * @param url
 *            the url
 * @param defaultTransactionType
 *            the default transaction type
 * @return the list
 * @throws Exception
 *             the exception
 */
public static List<PersistenceUnitMetadata> findPersistenceUnits(final URL url, final String[] persistenceUnits,
        PersistenceUnitTransactionType defaultTransactionType) throws InvalidConfigurationException {
    Document doc;
    try {
        doc = getDocument(url);
    } catch (InvalidConfigurationException e) {
        throw e;
    }
    doc.getXmlVersion();
    Element top = doc.getDocumentElement();

    String versionName = top.getAttribute("version");

    NodeList children = top.getChildNodes();
    ArrayList<PersistenceUnitMetadata> units = new ArrayList<PersistenceUnitMetadata>();

    // parse for persistenceUnitRootInfoURL.
    for (int i = 0; i < children.getLength(); i++) {
        if (children.item(i).getNodeType() == Node.ELEMENT_NODE) {
            Element element = (Element) children.item(i);
            String tag = element.getTagName();
            // look for "persistence-unit" element
            if (tag.equals("persistence-unit")) {
                PersistenceUnitMetadata metadata = parsePersistenceUnit(url, persistenceUnits, element,
                        versionName);
                if (metadata != null) {
                    units.add(metadata);
                }
            }
        }
    }
    return units;
}

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