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

/**
 * Indicates whether element has any child element.
 *
 * @param element the namespace to analyze.
 * @return true if element has any child element otherwise false.
 */// ww w . j  a v a2s .  c  om
public static boolean hasChildElements(Element element) {
    NodeList childNodes = element.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node node = childNodes.item(i);
        if (node.getNodeType() == Node.ELEMENT_NODE) {
            return true;
        }
    }
    return false;
}

From source file:Main.java

public static List<Node> getAllChildNodes(Node node) {
    if (node == null)
        return null;
    List<Node> result = new ArrayList<Node>();
    NodeList nodelist = node.getChildNodes();
    for (int i = 0; i < nodelist.getLength(); i++) {
        Node curnode = nodelist.item(i);
        int type = curnode.getNodeType();
        if (type != Node.TEXT_NODE)
            result.add(nodelist.item(i));
        List<Node> childlist = getAllChildNodes(curnode);
        if (childlist != null)
            result.addAll(childlist);//from  w w w  . j  a v  a  2s.co  m
    }
    return result;
}

From source file:Main.java

/**
 * @see //http://www.java.net/node/667186
 *///w  w w.j  ava2 s.  c  o  m
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);
        } else if (child instanceof Element) {
            removeWhitespaceNodes((Element) child);
        }
    }
}

From source file:Main.java

static void printElement(Element element, String indent) {
    System.out.println("Element '" + element.getNodeName() + "'");
    NodeList children = element.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);
        switch (child.getNodeType()) {
        case Node.ELEMENT_NODE:
            printElement((Element) child, indent + "\t");
            break;
        case Node.ATTRIBUTE_NODE:
            Attr attr = (Attr) child;
            System.out.println("\tAttribute: '" + attr.getName() + "' = '" + attr.getValue() + "'");
            break;
        case Node.COMMENT_NODE:
            Comment comment = (Comment) child;
            System.out.println("\tComment: '" + comment.getData() + "'");
            break;
        case Node.CDATA_SECTION_NODE:
            CharacterData cdata = (CharacterData) child;
            System.out.println("\tCDatat: '" + cdata.getData() + "'");
            break;
        case Node.TEXT_NODE:
            Text text = (Text) child;
            System.out.println("\tText: '" + text.getData() + "'");
            break;
        default://  w ww .  j  a  va  2s . c om
            System.out.println("\tUnknown node type: '" + child.getNodeType() + "'");
            break;
        }
    }
}

From source file:Main.java

/**
 * Get the first instance of an element by name.
 * //from   ww  w  .ja  va2  s .  c o  m
 * @param parent
 *            The parent to get the element from.
 * @param elementName
 *            The name of the element to look for.
 * @return The element or null if it is not found.
 */
public static Element getElement(Element parent, String elementName) {
    Element retval = null;
    final NodeList children = parent.getElementsByTagName(elementName);
    if (children.getLength() > 0) {
        retval = (Element) children.item(0);
    }
    return retval;
}

From source file:Main.java

/**
 * Convert a {@link NodeList} to a {@link List}
 *
 * @param nodelist Node list//  ww  w . j  av a 2s  . c  o m
 * @return {@link List} of nodes
 */
public static List<Node> toList(NodeList nodelist) {
    ArrayList<Node> list = new ArrayList<Node>(nodelist.getLength());
    for (int i = 0; i < nodelist.getLength(); i++) {
        list.add(nodelist.item(i));
    }
    return list;
}

From source file:Main.java

public static String GetStringValueForNode(Node item) throws Exception {
    if (item instanceof Element) {
        StringBuilder builder = new StringBuilder();
        NodeList children = item.getChildNodes();
        for (int index = 0; index < children.getLength(); index++)
            builder.append(children.item(index).getNodeValue());

        // return...
        return builder.toString();
    } else/*from www.  j av a  2 s .  co m*/
        throw new Exception(String.format("Cannot handle '%s'.", item.getClass()));
}

From source file:Main.java

public static void setPrefixRecursive(final Node node, final String prefix) {

    if (node.getNodeType() == Node.ELEMENT_NODE) {
        node.setPrefix(prefix);/*from  www .ja va  2s. com*/
    }

    final NodeList list = node.getChildNodes();
    for (int i = 0; i < list.getLength(); ++i) {
        setPrefixRecursive(list.item(i), prefix);
    }
}

From source file:Main.java

private static String getText(Document doc, String tagName, int idx) {
    NodeList nodeList = doc.getElementsByTagName(tagName);
    if (nodeList.getLength() <= 0)
        return "";
    return nodeList.item(idx).getTextContent();
}

From source file:Utils.java

public static Element findElementElseCreateAndSet(Document document, Element parent, String child,
        String value) {/*from www.  ja  v a  2s  .  c  o m*/
    Element ret = null;
    NodeList nl = parent.getElementsByTagName(child);
    if (nl.getLength() == 0) {
        parent.appendChild(document.createElement(child));
        ret = (Element) parent.getElementsByTagName(child).item(0);
        ret.appendChild(document.createTextNode(value));
    }
    return ret;
}