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 only the valid child nodes of a node. Eliminates the nodes from
 * the list of child nodes of the input node if the child node type is same
 * with any of <code>ignoreNodeTypes</code>
 * //  w ww .j a  v  a  2s  . c o m
 * @param node
 * @param maintainOrder
 * @param ignoreNodeTypes
 * @return HashSet<Node>
 */
public static HashSet<Node> getValidChildNodes(Node node, boolean maintainOrder, short... ignoreNodeTypes) {
    NodeList childNodes = node.getChildNodes();
    HashSet<Node> filteredChildNodes = new HashSet<Node>();
    if (maintainOrder) {
        filteredChildNodes = new LinkedHashSet<Node>();
    }
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node thisNode = childNodes.item(i);
        boolean allowAdd = true;
        for (int j = 0; j < ignoreNodeTypes.length; j++) {
            if (ignoreNodeTypes[j] == thisNode.getNodeType()) {
                allowAdd = false;
                break;
            }
        }
        if (allowAdd) {
            filteredChildNodes.add(thisNode);
        }
    }
    return filteredChildNodes;
}

From source file:Main.java

/**
 * This is a helper function to deal with problems that occur when importing Nodes from
 * JTidy Documents to Xerces Documents.//from   w  w  w. j  a v a 2s  . co  m
 */
public static Node importNode(Document d, Node n, boolean deep) {
    Node r = cloneNode(d, n);
    if (deep) {
        NodeList nl = n.getChildNodes();
        for (int i = 0; i < nl.getLength(); i++) {
            Node n1 = importNode(d, nl.item(i), deep);
            r.appendChild(n1);
        }
    }
    return r;
}

From source file:Main.java

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

From source file:Main.java

public static String getNodeValue(Node node) {
    if (node == null) {
        return null;
    }//from  w w  w  .  j  a v a 2s  . c  o m

    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);
        if (child.getNodeType() == Node.TEXT_NODE) {
            return child.getNodeValue();
        }
    }
    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();
        return nodes.item(0).getNodeValue();

    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));
    }/* w ww  . jav  a  2 s.  c o m*/
    return nodeMap;
}

From source file:Main.java

public static Node getChildNodeByName(Node node, String name) {
    if (node == null)
        return null;

    NodeList childs = node.getChildNodes();
    for (int i = 0; i < childs.getLength(); i++) {
        Node child = childs.item(i);
        if (child.getNodeName().equalsIgnoreCase(name)) {
            return child;
        }//from ww  w .java  2  s.  com

    }
    // not found
    return null;
}

From source file:Main.java

/**
 * Creates the element mapping for the specified nodes and all their child
 * nodes./*from w ww .  ja  v  a  2  s. c  o m*/
 *
 * @param n1 node 1
 * @param n2 node 2
 * @param mapping the mapping to be filled
 */
private static void createElementMappingForNodes(Node n1, Node n2, Map<Node, Node> mapping) {
    mapping.put(n1, n2);
    NodeList childNodes1 = n1.getChildNodes();
    NodeList childNodes2 = n2.getChildNodes();
    int count = Math.min(childNodes1.getLength(), childNodes2.getLength());
    for (int i = 0; i < count; i++) {
        createElementMappingForNodes(childNodes1.item(i), childNodes2.item(i), mapping);
    }
}

From source file:Main.java

/**
 * Finds all children of a node with the given name
 * @param parent the parent node/* w  w  w.  j a va  2 s  .com*/
 * @param name the name
 * @return the child nodes
 */
public static List<Node> findAllChildren(Node parent, String name) {
    List<Node> found = new ArrayList<Node>();
    NodeList children = parent.getChildNodes();
    for (int i = 0; i < children.getLength(); ++i) {
        Node node = children.item(i);
        if (name.equals(node.getNodeName())) {
            found.add(node);
        }
    }
    return found;
}

From source file:Main.java

/**
 * Find all child node(immediate children only) under current node that is an element node and node name is tagName
 * This is  a combination of getChildNodes() and getElementByTagName().
 * Also this helper method returns an iterable node list for convinient use in the foreach statement.
 * Only element node directly under currentNode are returned.(i.e no grandchildren).   
 * The order of the children are maintained (removing non-element node) 
 * @param currentNode//  www. java2 s .co m
 * @param tagName - case sensitive
 * @return list of element nodes equals tagname (case sensitive) 
 */
public static List<Node> getChildElementsByTagName(Node currentNode, String tagName) {
    List<Node> results = new ArrayList<Node>();
    NodeList childNodes = currentNode.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node child = childNodes.item(i);
        if ((child.getNodeType() == Node.ELEMENT_NODE) && child.getNodeName().equals(tagName))
            results.add(child);
    }
    return results;
}

From source file:Main.java

public static ArrayList<Element> getElementsByTagName(Node node, String tagName) {
    ArrayList<Element> elements = new ArrayList<Element>();
    for (int i = 0; i < node.getChildNodes().getLength(); i++) {
        Node n = node.getChildNodes().item(i);
        if (n.getNodeType() == Node.ELEMENT_NODE && n.getNodeName().equals(tagName)) {
            elements.add((Element) n);
        }/*from ww  w . j a v a  2 s  .c  o m*/
    }
    return elements;
}