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

static void dumpXpath(Node node, PrintStream printer) {
    NodeList list = node.getChildNodes();
    for (int i = 0; i < list.getLength(); i++) {
        Node item = list.item(i);
        printer.println("Xpath: " + getXPath(item));
        printer.println("Text Content: " + item.getTextContent());
        if (item.hasChildNodes()) {
            dumpXpath(item, printer);/*from  w w  w  . j  av a 2 s. c o m*/
        }
    }
}

From source file:Main.java

public static void getElementsByTagName(Node parent, String tagName, List<Node> result) {
    if (parent == null) {
        return;//  w ww  . jav a 2  s  . c o m
    }

    NodeList childs = parent.getChildNodes();
    for (int i = 0; i < childs.getLength(); i++) {
        Node child = childs.item(i);
        if (child.getNodeName().equals(tagName)) {
            result.add(child);
        } else if (child.hasChildNodes()) {
            getElementsByTagName(child, tagName, result);
        }
    }
}

From source file:Main.java

/**
 * Get the content of the first Text child element of the passed element.
 *
 * @param aStartNode//from  w  ww  . j a v  a2  s . c o  m
 *        the element to scan for a TextNode child
 * @return <code>null</code> if the element contains no text node as child
 */
@Nullable
public static String getFirstChildText(@Nullable final Node aStartNode) {
    if (aStartNode != null) {
        final NodeList aNodeList = aStartNode.getChildNodes();
        final int nLen = aNodeList.getLength();
        for (int i = 0; i < nLen; ++i) {
            final Node aNode = aNodeList.item(i);
            if (aNode instanceof Text) {
                final Text aText = (Text) aNode;

                // ignore whitespace-only content
                if (!aText.isElementContentWhitespace())
                    return aText.getData();
            }
        }
    }
    return null;
}

From source file:Main.java

public static int getCountOfChildNodes(Node node, String nodeName) {
    int count = 0;

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

        NodeList nodeList = node.getChildNodes();
        for (int i = 0; i < nodeList.getLength(); i++) {
            Node n = nodeList.item(i);
            if (n.getNodeName().equals(nodeName)) {
                count++;//  w ww . j a  va  2s . c o  m
            }
        }

    }

    return count;
}

From source file:Main.java

/**
 * List all child nodes with name sName//  ww  w.  ja v  a 2s.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 int XMLDeep(Node parent) {
    Node child;/*ww w  . jav  a2s .  co m*/
    NodeList childs;
    int n;
    int maxdeep, deep;
    maxdeep = 0;
    childs = parent.getChildNodes();
    for (n = 0; n < childs.getLength(); n++) {
        child = (Node) childs.item(n);
        deep = XMLDeep(child);
        if (deep > maxdeep)
            maxdeep = deep;
    }
    maxdeep += 1;
    return maxdeep;
}

From source file:Main.java

/**
 * Gets specified child node from the specified node.<br>
 * If there are several nodes which have same name,
 * the node which was appeared at 1st will be returned.<br>
 * This methods will not throw any Exception.
 * /*from   w  w w . j  ava  2 s. c  o  m*/
 * @param node the specified node.
 * @param name a name of the child node.
 * @return the child node when it is found, null otherwise.
 */
public static Node getChildNodeGentle(Node node, String namespace, String localname) {
    int count = 0;
    NodeList list = node.getChildNodes();
    for (int i = 0; i < list.getLength(); i++) {
        Node tmp = list.item(i);
        if (nodeIsElementOf(tmp, namespace, localname)) {
            return tmp;
        }
    }
    return null;
}

From source file:Main.java

public static ArrayList<Node> getNodesWithName(Node parent, String name, boolean all_of_them) {
    ArrayList<Node> valid = new ArrayList<Node>();
    NodeList children = parent.getChildNodes();
    for (int i = 0; i < children.getLength(); i++)
        if (children.item(i).getNodeName().equalsIgnoreCase(name)) {
            valid.add(children.item(i));
            if (!all_of_them)
                break;
        }//from w  w w. ja  v a2s  . c o m
    return valid;
}

From source file:Main.java

private static String getSubTagValue(Node node, String subTagName) {
    String returnString = "";
    if (node != null) {
        NodeList children = node.getChildNodes();
        for (int innerLoop = 0; innerLoop < children.getLength(); innerLoop++) {
            Node child = children.item(innerLoop);
            if ((child != null) && (child.getNodeName() != null) && child.getNodeName().equals(subTagName)) {
                Node grandChild = child.getFirstChild();
                if (grandChild.getNodeValue() != null)
                    return grandChild.getNodeValue();
            }/*from ww  w .java 2 s.  c o m*/
        } // end inner loop
    }
    return returnString;
}

From source file:Main.java

public static Element findElementByAttribute(Node node, String tagName, String attrName, String attrValue) {
    Element result = null;//from  w  w  w.j  av  a2 s  .  co  m
    NodeList nodeList = node.getChildNodes();
    if (nodeList == null) {
        return result;
    }
    for (int i = 0; i < nodeList.getLength(); ++i) {
        Element element = checkIfElement(nodeList.item(i), tagName);
        if (element != null && element.getAttribute(attrName).equals(attrValue)) {
            result = element;
            break;
        }
    }
    return result;
}