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

static public String getStringValue(Element el, boolean trimWhitespace) {
    StringBuilder sb = new StringBuilder(1024);
    String str;//from w ww .  ja v a2 s  .  c o m

    NodeList nl = el.getChildNodes();
    for (int i = 0; i < nl.getLength(); ++i) {
        Node n = nl.item(i);
        if (n instanceof Text) {
            sb.append(n.getNodeValue());
        }
    }
    if (trimWhitespace) {
        str = sb.toString().trim();
    } else {
        str = sb.toString();
    }
    return str;

}

From source file:Main.java

/**
 * Returns a List of all descendant Element nodes having the specified
 * [namespace name] property. The elements are listed in document order.
 * //ww  w. j  a va  2  s  .c  o  m
 * @param node
 *            The node to search from.
 * @param namespaceURI
 *            An absolute URI denoting a namespace name.
 * @return A List containing elements in the specified namespace; the list
 *         is empty if there are no elements in the namespace.
 */
public static List<Element> getElementsByNamespaceURI(Node node, String namespaceURI) {
    List<Element> list = new ArrayList<Element>();
    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);
        if (child.getNodeType() != Node.ELEMENT_NODE)
            continue;
        if (child.getNamespaceURI().equals(namespaceURI))
            list.add((Element) child);
    }
    return list;
}

From source file:Main.java

public static Node[] toNodeArray(NodeList nl) {
    Node[] res = new Node[nl.getLength()];
    for (int i = 0; i < res.length; i++) {
        res[i] = nl.item(i);
    }//from   w  ww. j a v a 2s  .c  om
    return res;
}

From source file:Main.java

protected static String getString(String tagName, Element rootElement) {
    NodeList list = rootElement.getElementsByTagName(tagName);
    if (list != null && list.getLength() > 0) {
        NodeList subList = list.item(0).getChildNodes();
        if (subList != null && subList.getLength() > 0) {
            return subList.item(0).getNodeValue();
        }/*from   www  .  ja v  a 2  s  .  c  o  m*/
    }

    return null;
}

From source file:Main.java

/**
 * Remove named nodes of the specified nodeType from the specified node.
 * //from  w ww  .ja  v  a2s  .com
 * @param node the node to be cleaned.
 * @param nodeType the type of nodes to be removed.
 * @param name the name of nodes to be removed.
 */
public static void removeAll(final Node node, final short nodeType, final String name) {
    if (node.getNodeType() == nodeType && (name == null || node.getNodeName().equals(name))) {
        node.getParentNode().removeChild(node);
    } else {
        // Visit the children
        final NodeList list = node.getChildNodes();
        for (int i = 0; i < list.getLength(); i++) {
            removeAll(list.item(i), nodeType, name);
        }
    }
}

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   w w  w.j a v a2  s. c om

    }
    // not found
    return null;
}

From source file:Main.java

/**
 * Get the Element children of an element as an array.
 * @param element/*w  w  w  .  j  a  va  2  s .c  o m*/
 * @return non-<code>null</code> array 
 */
public static Element[] getChildElements(Element element) {
    NodeList childNodes = element.getChildNodes();
    List<Element> kids = new ArrayList<Element>();
    Node node = childNodes.item(0);
    while (node != null) {
        if (node instanceof Element) {
            kids.add((Element) node);
        }
        node = node.getNextSibling();
    }
    return (Element[]) kids.toArray(new Element[kids.size()]);
}

From source file:Main.java

public static String getNodeAttr(String tagName, String attrName, NodeList nodes) {
    for (int x = 0; x < nodes.getLength(); x++) {
        Node node = nodes.item(x);
        if (node.getNodeName().equalsIgnoreCase(tagName)) {
            NodeList childNodes = node.getChildNodes();
            for (int y = 0; y < childNodes.getLength(); y++) {
                Node data = childNodes.item(y);
                if ((data.getNodeType() == Node.ATTRIBUTE_NODE)
                        && data.getNodeName().equalsIgnoreCase(attrName)) {
                    return data.getNodeValue();
                }//from w ww. ja  v  a2s. com
            }
        }
    }
    return "";
}

From source file:Main.java

/**
 * Retrieves the first element, within the supplied element that has the specified tagName.
 * @param ele Parent element to search through
 * @param tagName Element name to find/*  w w  w  .  jav a  2s . c o  m*/
 * @return Element within the parent element that has the specfied name, or null.
 */
public static Element getDistinctElementByName(Element ele, String tagName) {
    NodeList nl = ele.getElementsByTagName(tagName);
    if (nl != null && nl.getLength() > 0) {
        return (Element) nl.item(0);
    }

    return null;
}

From source file:Main.java

/**
 * Returns a List of all child Elements of the given Element.
 *
 * @param element the element from which to retrieve child elements
 * @return a List of child Elements./*from  www .j a va 2  s. com*/
 * @throws NullPointerException if the element is null.
 */
public static List getChildElements(Element element) {
    if (element == null)
        throw new NullPointerException("Tried to get child elements on a null element");

    List result = new ArrayList();

    NodeList children = element.getChildNodes();

    for (int i = 0; i != children.getLength(); i++) {
        if (children.item(i).getNodeType() == Node.ELEMENT_NODE) {
            result.add(children.item(i));
        }
    }

    return result;
}