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

/**
 * Returns an array of all the Element children of a DOM node.
 *
 * @param  parent  parent node/*from   w  w w . j av a 2s  .  com*/
 * @return  children array
 */
public static Element[] getChildren(Node parent) {
    NodeList nodeList = parent.getChildNodes();
    int nnode = nodeList.getLength();
    List elList = new ArrayList(nnode);
    for (int i = 0; i < nnode; i++) {
        Node node = nodeList.item(i);
        if (node instanceof Element) {
            elList.add((Element) node);
        }
    }
    return (Element[]) elList.toArray(new Element[0]);
}

From source file:Main.java

/**
 * Get a child element with a specific name.
 *
 * @param name Name of the requested child element.
 * @param elem Parent element.//from   ww  w .  j  a v  a  2s  . c  o m
 *
 * @return The first child element with the given name, or null if none found.
 */
public static Element getChildElement(String name, Element elem) {

    NodeList l = elem.getChildNodes();
    for (int i = 0; i < l.getLength(); i++) {
        Node n = l.item(i);
        if (n instanceof Element && n.getNodeName().equals(name))
            return (Element) n;
    }
    return null;
}

From source file:Main.java

public static Node[] findChildren(Node node, String name) {
    List<Node> list = new ArrayList<Node>();
    NodeList childNodes = node.getChildNodes();
    int count = childNodes.getLength();
    for (int i = 0; i < count; i++) {
        Node child = childNodes.item(i);
        if (child instanceof Element && (name == null || child.getNodeName().equals(name))) {
            list.add(child);//  ww w .  jav  a2s  .  co m
        }
    }
    return list.toArray(new Node[list.size()]);
}

From source file:Main.java

public static List<Node> getChildrenByTagName(Node parent, String tagName) {
    List<Node> eleList = new ArrayList<Node>();
    NodeList nodeList = parent.getChildNodes();
    for (int i = 0; i < nodeList.getLength(); i++) {
        Node node = nodeList.item(i);
        if (node.getNodeType() == Node.ELEMENT_NODE && node.getNodeName().equalsIgnoreCase(tagName)) {
            eleList.add(node);//from   w  w  w .ja  va 2 s. c o m
        }

    }
    return eleList;
}

From source file:Main.java

public static Element getFirstChildElementByTagName(Element element, String name) {
    boolean found = false;
    Element result = null;/*from  w ww . j  av a2  s  . co  m*/
    NodeList nl = element.getChildNodes();
    for (int i = 0; i < nl.getLength() && !found; i++) {
        if (nl.item(i) instanceof Element) {
            if (name.equals(nl.item(i).getNodeName())) {
                result = (Element) nl.item(i);
                found = true;
            }
        }

    }
    return result;
}

From source file:Main.java

/**
 * Clone all the nodes contains in the provided node list, assuming they are of type {@link Element}, and return them in a {@link List}.
 *
 * @param nodelist Node list/*from ww  w. ja  va2  s . co m*/
 * @return {@link List} of cloned nodes
 */
public static List<Element> toElementList(NodeList nodelist) {
    ArrayList<Element> list = new ArrayList<Element>(nodelist.getLength());
    for (int i = 0; i < nodelist.getLength(); i++) {
        list.add((Element) nodelist.item(i));
    }
    return list;
}

From source file:Main.java

/**
 * Count Elements in Document by Tag Name
 * @param tag/*from   www  . j a v a 2  s .c o m*/
 * @param document
 * @return number elements by Tag Name
 */
public static int countByTagName(String tag, Document document) {
    NodeList list = document.getElementsByTagName(tag);
    return list.getLength();
}

From source file:Main.java

public static Element getFirstChild(Element parent, String name) {
    NodeList nl = parent.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node n = nl.item(i);/*from  w  w  w  .  j  av a 2 s .com*/
        if (n.getNodeType() == Node.ELEMENT_NODE && n.getNodeName().equals(name)) {
            return (Element) n;
        }
    }
    return null;
}

From source file:Main.java

public static Element getFirstElement(Element element, String elementName) throws IOException {
    NodeList list = element.getElementsByTagName(elementName);
    if (list.getLength() >= 1) {
        Element subElement = (Element) list.item(0);
        return subElement;
    } else {//from  w w w  .ja  v  a2s  . co m
        return null;
    }
}

From source file:Main.java

public static List<Node> getChildNodes(Node dataNode) {
    List<Node> returnList = new ArrayList<Node>();

    NodeList list = dataNode.getChildNodes();
    for (int i = 0; i < list.getLength(); i++) {
        Node node = list.item(i);
        if (node.getNodeType() != Node.TEXT_NODE) {
            returnList.add(node);/*from  ww w .  j  a va  2  s . co  m*/
        }
    }

    return returnList;
}