Example usage for org.w3c.dom NodeList item

Introduction

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

Prototype

public Node item(int index);

Source Link

Document

Returns the indexth item in the collection.

Usage

From source file:Main.java

public static List<String> parseXmlFile(String nodeName, Document file) {
    List<String> nodeTexts = new ArrayList<String>();
    NodeList nodes = file.getElementsByTagName(nodeName);
    for (int index = 0; index < nodes.getLength(); ++index) {
        Node node = nodes.item(index).getFirstChild();
        String nodeText = node.getNodeValue();
        nodeTexts.add(nodeText);/*from   ww w  .j av  a2 s. c om*/
    }
    return nodeTexts;
}

From source file:Main.java

public static Iterator getElementsByTagName(Element element, String tag) {
    ArrayList<Element> children = new ArrayList<Element>();
    if (element != null && tag != null) {
        NodeList nodes = element.getElementsByTagName(tag);
        for (int i = 0; i < nodes.getLength(); i++) {
            Node child = nodes.item(i);
            //      System.out.println("Name: " + child.getNodeName() + ", Value: " + child.getFirstChild().getNodeValue());
            children.add((Element) child);
        }/* w  ww  .  ja v  a2s.  c o m*/
    }
    return children.iterator();
}

From source file:Main.java

public static void removeWhitespaceNodes(Element e) {
    NodeList children = e.getChildNodes();
    for (int i = children.getLength() - 1; i >= 0; i--) {
        Node child = children.item(i);
        if (child instanceof Text && ((Text) child).getData().trim().length() == 0) {
            e.removeChild(child);//w ww.  ja va  2  s  . com
        } else if (child instanceof Element) {
            removeWhitespaceNodes((Element) child);
        }
    }
}

From source file:Main.java

public static List<Element> getElements(final Element element, final String tagName) {
    final ArrayList<Element> elements = new ArrayList<>();
    final NodeList children = element.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        final Node node = children.item(i);
        if (node.getNodeType() == Node.ELEMENT_NODE) {
            final String nodeName = node.getNodeName();
            if ((nodeName != null) && nodeName.equals(tagName)) {
                elements.add((Element) node);
            }/*ww  w . j  ava 2s .  co  m*/
        }
    }
    return elements;
}

From source file:Main.java

/**
 * Checks if a <code>Node</code> has any descendant <code>Element</code> nodes.
 * // w w  w.j av a  2  s  . c om
 * @param   n   <code>Node</code> to be examined
 * 
 * @return  boolean
 */
public static boolean containsElements(Node n) {
    NodeList children = n.getChildNodes();

    for (int i = 0; i < children.getLength(); i++) {

        if (children.item(i) instanceof Element) {
            return true;
        }

    }

    return false;
}

From source file:Main.java

/**
 * This will get the text value of an element.
 *
 * @param node The node to get the text value for.
 * @return The text of the node.//from   ww w  . ja va2  s .  c  o m
 */
public static String getNodeValue(Element node) {
    String retval = "";
    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node next = children.item(i);
        if (next instanceof Text) {
            retval = next.getNodeValue();
        }
    }
    return retval;
}

From source file:Main.java

public static Element[] filterChildElements(Element parent, String ns, String lname) {

    List<Element> elems = new ArrayList<Element>();
    NodeList nlst = parent.getChildNodes();
    for (int i = 0, nlen = nlst.getLength(); i < nlen; i++) {
        Node n = nlst.item(i);
        if (n instanceof Element) {
            Element e = (Element) n;
            if ((ns == null || ns.equals(e.getNamespaceURI()))
                    && (lname == null || lname.equals(e.getLocalName()))) {
                elems.add(e);//w w w .  j a  v a  2 s .  co  m
            }
        }
    }
    return elems.toArray(new Element[elems.size()]);
}

From source file:Main.java

/**
 * Gets the first child Element with a given name
 * /*from w  w w .ja v  a 2  s.  c  om*/
 * @param n
 *            the node get the children from
 * @param elementName
 *            the name of the child elements
 * @return the first child Element with a given name
 */
public static Element getElementByTagName(Element n, String elementName) {
    NodeList subNodes = n.getElementsByTagName(elementName);
    int sz = subNodes.getLength();
    if (sz > 0)
        return (Element) subNodes.item(0);
    return null;
}

From source file:Main.java

public static List<Element> getChildElements(final Element element) {
    final List<Element> elements = new ArrayList<Element>();
    final NodeList childs = element.getChildNodes();
    for (int i = 0; i < childs.getLength(); i++) {
        Node child = childs.item(i);
        if (child instanceof Element) {
            elements.add((Element) child);
        }//from  w ww .ja  v a 2  s  .c o m
    }
    return elements;
}