Example usage for org.w3c.dom Node getNodeName

Introduction

In this page you can find the example usage for org.w3c.dom Node getNodeName.

Prototype

public String getNodeName();

Source Link

Document

The name of this node, depending on its type; see the table above.

Usage

From source file:Main.java

/**
 * Constructs a XPath query to the supplied node.
 * /*from   w w  w  .  j a  v a  2 s.  c om*/
 * @param n
 * @return
 */
public static String getXPath(Node n) {
    if (null == n) {
        throw new IllegalArgumentException("Invalid node");
    }

    ArrayList<Node> hierarchy = new ArrayList<Node>();
    StringBuffer buffer = new StringBuffer();
    Node parent = null;

    // Push parent element's on stack
    hierarchy.add(n);
    parent = n.getParentNode();
    while (parent != null && parent.getNodeType() != Node.DOCUMENT_NODE) {
        hierarchy.add(0, parent);
        parent = parent.getParentNode();
    }

    Iterator<Node> i = hierarchy.iterator();
    while (i.hasNext()) {
        Node node = i.next();
        buffer.append("/");
        buffer.append(node.getNodeName());
        if (node.hasAttributes()) {
            Node uuid = node.getAttributes().getNamedItem("uuid");
            if (uuid != null) {
                buffer.append("[@uuid='");
                buffer.append(uuid.getNodeValue());
                buffer.append("']");
            }
        }
    }

    // return buffer
    return buffer.toString();
}

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From source file:Main.java

public static Map<String, String> getChildElementNodesMap(Node node) {
    if (node == null) {
        return null;
    }/* w w  w .jav a 2  s .c o  m*/

    Map<String, String> map = new ConcurrentHashMap<>();
    NodeList nodeList = node.getChildNodes();
    if (nodeList != null && nodeList.getLength() > 0) {
        for (int i = 0; i < nodeList.getLength(); i++) {
            Node item = nodeList.item(i);
            if (item != null && item.getNodeType() == Node.ELEMENT_NODE) {
                map.put(item.getNodeName(), item.getTextContent().trim());
            }
        }
    }
    return map;
}

---

From source file:Main.java

public static List<Element> getNamedChildElements(final Element parent, final String name) {
    List<Element> elements = new ArrayList<Element>();
    if (parent != null) {
        Node child = parent.getFirstChild();
        while (child != null) {
            if ((child.getNodeType() == Node.ELEMENT_NODE) && (child.getNodeName().equals(name))) {
                elements.add((Element) child);
            }/* www  . j a  v a2s.c  om*/
            child = child.getNextSibling();
        }
    }
    return elements;
}

---

From source file:Main.java

/**
 * List all child nodes with name sName/*from www .  j av a 2  s.  c o m*/
 * NOTE: we assume no same name nodes are nested.
 * @param node
 * @param sName
 * @return Element
 */
public static ArrayList<Element> listChildElementsByName(Node node, String sName) {
    ArrayList<Element> aNodes = new ArrayList<Element>();
    NodeList nl = node.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node n = nl.item(i);
        if (n.getNodeType() == Node.ELEMENT_NODE) {
            if (sName.equals(n.getNodeName())) {
                aNodes.add((Element) n);
            } else {
                ArrayList<Element> nextNodes = listChildElementsByName(n, sName);
                if (nextNodes != null)
                    aNodes.addAll(nextNodes);
            }
        }
        // Don't search anything but elements
    }
    return aNodes;
}

---

From source file:Main.java

public static void testx() {
    try {/*from   w  w  w.  j av a 2s . c  om*/
        File fXmlFile = new File("C:\\Users\\is96092\\Desktop\\music\\Megaman2.xml");
        DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
        Document doc = dBuilder.parse(fXmlFile);

        //optional, but recommended
        //read this - http://stackoverflow.com/questions/13786607/normalization-in-dom-parsing-with-java-how-does-it-work
        doc.getDocumentElement().normalize();

        System.out.println("Root element :" + doc.getDocumentElement().getNodeName());

        NodeList nList = doc.getElementsByTagName("staff");

        System.out.println("----------------------------");

        for (int temp = 0; temp < nList.getLength(); temp++) {

            Node nNode = nList.item(temp);

            System.out.println("\nCurrent Element :" + nNode.getNodeName());

            if (nNode.getNodeType() == Node.ELEMENT_NODE) {

                Element eElement = (Element) nNode;

                System.out.println("Staff id : " + eElement.getAttribute("id"));
                System.out.println(
                        "First Name : " + eElement.getElementsByTagName("firstname").item(0).getTextContent());
                System.out.println(
                        "Last Name : " + eElement.getElementsByTagName("lastname").item(0).getTextContent());
                System.out.println(
                        "Nick Name : " + eElement.getElementsByTagName("nickname").item(0).getTextContent());
                System.out.println(
                        "Salary : " + eElement.getElementsByTagName("salary").item(0).getTextContent());

            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

---

From source file:Main.java

public static Element findPreviousElement(final Node current, final boolean sameName) {
    String name = null;//from ww w. j  a v  a  2  s .c o  m
    if (sameName) {
        name = current.getNodeName();
    }
    int type = Node.ELEMENT_NODE;
    return (Element) getPrevious(current, name, type);
}

---

From source file:Main.java

/**
 * Helper Method. Searches through the child nodes of an element and returns an array of the matching nodes.
 * @param element Element// w ww .  java 2  s  . co m
 * @param name String
 * @param caseSensitive boolean
 * @return ArrayList
 */
public static List<Node> getChildNodesByName(Node element, String name, boolean caseSensitive) {
    ArrayList<Node> nodes = new ArrayList<Node>();
    NodeList list = element.getChildNodes();
    for (int i = 0; i < list.getLength(); i++) {
        Node node = list.item(i);
        if (caseSensitive) {
            if (node.getNodeName().equals(name))
                nodes.add(node);
        } else {
            if (node.getNodeName().equalsIgnoreCase(name))
                nodes.add(node);
        }
    }
    return nodes;
}

---

From source file:Main.java

/** Look for Element node if given name.
 *  <p>/*from  w w  w  .  j  av  a  2s  . co m*/
 *  Checks the node and its siblings.
 *  Does not descent down the 'child' links.
 *  @param node Node where to start.
 *  @param name Name of the nodes to look for.
 *  @return Returns node or the next matching sibling or null.
 */
final public static Element findFirstElementNode(Node node, final String name) {
    while (node != null) {
        if (node.getNodeType() == Node.ELEMENT_NODE && node.getNodeName().equals(name))
            return (Element) node;
        node = node.getNextSibling();
    }
    return null;
}

---

From source file:Main.java

public static Object transformXmlNodesIntoMap(Node node) {
    Map<String, Object> nodeMap = new HashMap<String, Object>();

    NodeList subNodes = node.getChildNodes();

    NamedNodeMap nodeAttrs = node.getAttributes();
    for (int nodeAttrIdx = 0; nodeAttrIdx < nodeAttrs.getLength(); nodeAttrIdx++) {
        Node attrNode = nodeAttrs.item(nodeAttrIdx);
        nodeMap.put("@" + attrNode.getNodeName(), attrNode.getTextContent());
    }/*from www  .j  av  a2s .  c o m*/

    if (nodeAttrs.getLength() == 0)
        if (subNodes.getLength() == 0)
            return "";
        else if (subNodes.getLength() == 1 && subNodes.item(0).getNodeType() == Node.TEXT_NODE)
            return subNodes.item(0).getTextContent();

    for (int subNodeIdx = 0; subNodeIdx < subNodes.getLength(); subNodeIdx++) {
        Node subNode = subNodes.item(subNodeIdx);

        if (subNode.getNodeType() == Node.TEXT_NODE) {
            nodeMap.put(subNode.getNodeName(), subNode.getTextContent());
        } else {
            if (nodeMap.containsKey(subNode.getNodeName())) {
                Object subObject = nodeMap.get(subNode.getNodeName());
                if (subObject instanceof List<?>) {
                    ((List<Object>) subObject).add(transformXmlNodesIntoMap(subNode));
                } else {
                    List<Object> subObjectList = new ArrayList<Object>();
                    subObjectList.add(subObject);
                    subObjectList.add(transformXmlNodesIntoMap(subNode));
                    nodeMap.put(subNode.getNodeName(), subObjectList);
                }
            } else {
                nodeMap.put(subNode.getNodeName(), transformXmlNodesIntoMap(subNode));
            }
        }

    }
    return nodeMap;
}

---

From source file:Main.java

/**
 * Gets the index of the specified element amongst elements with the same
 * name/* w w  w  .  j a v  a2 s.c om*/
 * 
 * @param element
 *           the element to get for
 * @return the index of the element, will be >= 1
 */

public static int getElementIndex(Node element) {
    int result = 1;

    Node elm = element.getPreviousSibling();
    while (elm != null) {
        if (elm.getNodeType() == Node.ELEMENT_NODE && elm.getNodeName().equals(element.getNodeName()))
            result++;
        elm = elm.getPreviousSibling();
    }

    return result;
}

---

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