Example usage for org.w3c.dom Node getChildNodes

Introduction

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

Prototype

public NodeList getChildNodes();

Source Link

Document

A NodeList that contains all children of this node.

Usage

From source file:Main.java

/**
 *  Returns first node at the bottom of path from node.
 * If element begins with '@', indicates an attribute, eg "@id"
 * The '#text' element indicates that the node has a single text child.
 * @param node    Node to apply path to/*from  ww  w  .ja  va 2  s.  co m*/
 * @param path    Path to apply
 * @return        Node at bottom of path, or null
 */
static public Node extractNode(Node node, String path) {
    if (node == null)
        return null;
    NodeList list = node.getChildNodes();
    if (path.equals("#text"))
        return node.getFirstChild();
    else if (path.charAt(0) == '@')
        return node.getAttributes().getNamedItem(path.substring(1));
    else
        for (int j = 0; j < list.getLength(); j++)
            if (list.item(j).getNodeType() == Node.ELEMENT_NODE && list.item(j).getNodeName().equals(path))
                return list.item(j);

    return null;
}

From source file:Main.java

public static List<Element> readChildren(Node parentNode) {
    ArrayList<Element> ret = new ArrayList<Element>();
    NodeList children = parentNode.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        if (children.item(i) instanceof Element)
            ret.add((Element) children.item(i));
    }/*from  w w  w.  ja va 2s  .  co  m*/
    return ret;
}

From source file:Main.java

/**
 * Get the a specific child node from its parent node by matching the local
 * name. If not found, return null./* w ww.  ja v a  2  s .  c  o m*/
 *
 * @param parentNode
 *          the parent node.
 * @param localNodeName
 *          the local name of the node.
 * @return the node with the matching local name; otherwise, null if not
 * found.
 */
public static Node getChildNodeByLocalName(final Node parentNode, final String localNodeName) {
    final NodeList children = parentNode.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        final Node child = children.item(i);
        if (child.getLocalName() != null) {
            if (child.getLocalName().equals(localNodeName)) {
                return child;
            }
        }
    }
    return null;
}

From source file:Main.java

public static Element getElementByTagNameNS(Node element, String namespace, String name) {
    NodeList elements = element.getChildNodes();
    CharSequence colon = ":";
    if (elements != null) {
        for (int i = 0; i < elements.getLength(); i++) {
            if (elements.item(i).getNodeType() == Node.ELEMENT_NODE && (elements.item(i).getAttributes()
                    .getNamedItemNS("http://www.w3.org/2001/XMLSchema-instance", "nil") == null
                    || !"true".equals(elements.item(i).getAttributes()
                            .getNamedItemNS("http://www.w3.org/2001/XMLSchema-instance", "nil")))) {
                Element currentElement = (Element) elements.item(i);
                String nodeName = currentElement.getNodeName();
                String nodeNameOnly = nodeName;
                if (nodeName.contains(colon)) {
                    String[] nodeNameSplit = nodeName.split(":");
                    nodeNameOnly = nodeNameSplit[1];
                }/*from  www .ja  va2 s .  c  o  m*/

                if ((currentElement.getNamespaceURI() == null
                        || currentElement.getNamespaceURI().equals(namespace)) && nodeNameOnly.equals(name)) {
                    return currentElement;
                }
            }
        }
    }

    return null;
}

From source file:Main.java

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

    if (nodes.getLength() == 1 && nodes.item(0).getNodeType() == Node.TEXT_NODE)
        return nodes.item(0).getTextContent();

    for (int nodeIdx = 0; nodeIdx < nodes.getLength(); nodeIdx++) {
        Node node = nodes.item(nodeIdx);
        NodeList subNodes = node.getChildNodes();

        if (node.getNodeType() != Node.TEXT_NODE)
            nodeMap.put(node.getNodeName(), transformXmlNodesIntoMap(subNodes));
    }/*from  w  w w  .j a v a  2  s . c  o m*/
    return nodeMap;
}

From source file:Main.java

public static List<? extends Node> get_childs(Node parent, String child_name) {
    List<Node> result = new LinkedList<Node>();
    NodeList children = parent.getChildNodes();
    for (int i = 0; i < children.getLength(); ++i) {
        Node child = children.item(i);
        if (child.getNodeName().equals(child_name))
            result.add(child);/* ww w  .j  a  va  2 s.co  m*/
    }
    return result;
}

From source file:Main.java

public static int getArg(final Node node, final String strName, final int iDefaultValue) {
    return getArg(node.getChildNodes(), strName, iDefaultValue);
}

From source file:Main.java

/**
 * Extracts a {@code Map} of header tag to value from the header node.
 *
 * @param headerNode the header node/* www  .j  av  a 2 s .  com*/
 * @return a {@code Map} of header tag to value from the header node.
 */
public static Map<String, String> extractHeaderMap(Node headerNode) {
    Map<String, String> headerMap = new HashMap<String, String>();
    for (int i = 0; i < headerNode.getChildNodes().getLength(); i++) {
        Node headerChildNode = headerNode.getChildNodes().item(i);
        headerMap.put(headerChildNode.getLocalName(), headerChildNode.getFirstChild().getNodeValue());
    }
    return headerMap;
}

From source file:Main.java

public static boolean isLeaf(Node node) {

    NodeList nodeList = node.getChildNodes();

    boolean hasElement = false;

    for (int i = 0; i < nodeList.getLength(); i++) {
        Node child = nodeList.item(i);
        if (child instanceof Text) {
            if (!"".equals(child.getTextContent().trim())) {
                // The current node is a leaf node if it contains
                // at least one text node with non-empty text values
                return true;
            }/*from www  .j ava  2 s . c om*/
        }

        if (child instanceof Element) {
            hasElement = true;
        }
    }

    // The current node is also a leaf node if it
    // contains no elements at all
    return !hasElement;
}

From source file:Main.java

/**
 * find elements by name.//from   ww w.j  a  v a  2  s. c  o  m
 * 
 * @param node - current node
 * @param name - name element
 * @param elements - list of found elements
 */
static public void findElementsByName(Node node, List<Node> elements, String name) {
    // get children
    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);
        // if current child is required then add his to list
        if (name.equalsIgnoreCase((child.getNodeName()))) {
            elements.add(child);
        } else {
            findElementsByName(child, elements, name);
        }
    }
}