Example usage for org.w3c.dom NodeList getLength

Introduction

In this page you can find the example usage for org.w3c.dom NodeList getLength.

Prototype

public int getLength();

Source Link

Document

The number of nodes in the list.

Usage

From source file:Main.java

/**
 * @param node/*w w w  . j  a v  a2  s .c om*/
 * @return
 */
public static Element getFirstElement(Node node) {
    NodeList children = node.getChildNodes();
    if (children == null || children.getLength() == 0) {
        return null;
    }
    int len = children.getLength();
    for (int i = 0; i < len; i++) {
        Node n = children.item(i);
        if (n instanceof Element) {
            return (Element) n;
        }
    }
    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++;/*ww  w  . j a  v  a  2 s  .  co m*/
            }
        }

    }

    return count;
}

From source file:Main.java

public static Element getFirstChildElement(Element element) {
    NodeList nodeList = element.getChildNodes();
    for (int i = 0; i < nodeList.getLength(); i++) {
        Node node = nodeList.item(i);
        if ((node instanceof Element) && (element == node.getParentNode())) {
            return (Element) node;
        }/*from   w w w . j ava 2s. c  o m*/
    }
    return null;
}

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  av a2  s .  c o 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 void getInnerText(StringBuilder sb, Element elt, String separator) {
    NodeList tns = elt.getChildNodes();
    for (int j = 0; j < tns.getLength(); j++) {
        Node tn = tns.item(j);/*w  w w  . j  a  v  a2 s.  com*/
        if (tn.getNodeType() == Node.TEXT_NODE) {
            sb.append(tn.getNodeValue());
        } else if (tn.getNodeType() == Node.ELEMENT_NODE) {
            sb.append(separator);
            getInnerText(sb, (Element) tn, separator);
            sb.append(separator);
        }
    }
}

From source file:Main.java

static public List<Element> getChildElementList(Element root) {
    List<Element> list = new ArrayList<>();
    NodeList nodes = root.getChildNodes();
    int i, size = nodes.getLength();
    Node node;// w  w  w. ja  v  a2s  .  c  o  m

    for (i = 0; i < size; i++) {
        node = nodes.item(i);

        if (node.getNodeType() == Node.ELEMENT_NODE)
            list.add((Element) node);
    }

    return list;
}

From source file:Main.java

public static void getElementsByTagName(Node parent, String tagName, List<Node> result) {
    if (parent == null) {
        return;/*from   www  .j  a v  a2 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

public static Node getTag(Element root, String tagName) {
    NodeList list = root.getElementsByTagName(tagName);
    for (int loop = 0; loop < list.getLength(); loop++) {
        Node node = list.item(loop);
        System.out.println("nodeName : " + node.getNodeName() + ":::::" + node.getNodeType());
        if (node.getNodeName().equals(tagName)) {
            return node;
        }/*  w  w  w  .  ja v  a2  s.  c  o  m*/
    }
    return null;
}

From source file:Main.java

public static Node findChildWithTagName(Node parent, String tagName) {
    if (parent == null) {
        return null;
    }//from   w  ww .  j  a va  2  s.c  om

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

    return null;
}

From source file:Main.java

/**
 * /*from   w  ww.j a v a 2  s.co m*/
 * @param element
 * @param nodeName
 * @return Element
 */
public static Element getFirstElement(final Element element, final String nodeName) {
    final NodeList list = element.getElementsByTagName(nodeName);

    if (list.getLength() == 0) {
        return null;
    }

    return (Element) list.item(0);
}