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 all child <code>Node</code>s with the given name stored in a
 *  <code>Vector</code>.//from w w w .java2 s.c o  m
 *
 *  @param node The parent node to be searched for
 *  @param name The element name to search for
 *  @return <code>Vector</code> of found </code>Node</code>s
 */
public static Vector getSubnodesByName(Node node, String name) {
    Vector retVal = null;
    NodeList nl = node.getChildNodes();
    if (nl != null && nl.getLength() != 0) {
        for (int i = 0; i < nl.getLength(); i++) {
            if (nl.item(i).getNodeName().equals(name)) {
                if (retVal == null)
                    retVal = new Vector();
                retVal.addElement(nl.item(i));
            }
        }
    }
    return retVal;
}

From source file:Main.java

private final static boolean hasChilds(final Element element) {

    final NodeList list = element.getChildNodes();
    final int length = list.getLength();
    for (int i = 0; i < length; i++) {
        final Node node = list.item(i);
        if (node instanceof Element) {
            return true;
        }/*from   w  w  w . ja va2  s  .co m*/
    }

    return false;
}

From source file:Main.java

public static boolean isSubTagExist(Node node, String tagName) {
    if (node == null) {
        return false;
    }// w w w. j av a  2 s. c  o m
    NodeList nodeList = node.getChildNodes();
    for (int i = 0; i < nodeList.getLength(); i++) {
        Node n = nodeList.item(i);
        if (n instanceof Element) {
            if (((Element) n).getTagName().equals(tagName)) {
                return true;
            }
        }
    }
    return false;
}

From source file:Main.java

public static List<Element> getRealChilds(Node node) {
    List<Element> interlayer = new ArrayList<Element>();
    NodeList l = node.getChildNodes();
    for (int i = 0; i < l.getLength(); i++) {
        Node n = l.item(i);/*from   www  .j  a  va 2 s. co  m*/
        if (n instanceof Element) {
            interlayer.add(((Element) n));
        }
    }
    return interlayer;
}

From source file:Main.java

public static Element getElement(Element parentNode, String nodeName) {
    if (parentNode == null) {
        return null;
    }/*from w w  w . j a  v  a2s. co m*/
    NodeList nl = parentNode.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        if (nl.item(i).getNodeType() == Node.ELEMENT_NODE) {
            if (nl.item(i).getNodeName().equals(nodeName)) {
                return (Element) nl.item(i);
            }
        }
    }
    return null;
}

From source file:Main.java

public static Collection<Node> search_nodes_by_attribute(Node root, String attr_name, String attr_value) {
    Collection<Node> result = new LinkedList<Node>();
    if (root instanceof Element) {
        if (((Element) root).hasAttribute(attr_name)
                && ((Element) root).getAttribute(attr_name).equals(attr_value))
            result.add(root);//from   w  w  w . ja va 2s  .c om
    }
    NodeList list = root.getChildNodes();
    for (int i = 0; i < list.getLength(); ++i) {
        Node child = list.item(i);
        Collection<Node> ret = search_nodes_by_attribute(child, attr_name, attr_value);
        result.addAll(ret);
    }
    return result;
}

From source file:Main.java

public static String getTextContent(Node node) {

    if (node == null)
        throw new NullPointerException();

    String textContent;//  w  w  w .  j a v  a2s .c  o m

    textContent = node.getTextContent();
    if (textContent != null)
        return xmlDecode(textContent);

    NodeList childNodes = node.getChildNodes();
    if (childNodes.getLength() > 0 && childNodes.item(0) instanceof Text)
        textContent = node.getNodeValue();
    if (textContent != null)
        return xmlDecode(textContent);

    return "";
}

From source file:Main.java

public static Node findChildNode(Node parent, String childName) {
    NodeList childNodes = parent.getChildNodes();
    int childCount = childNodes.getLength();
    Node child;//w  ww  .  j a va 2  s  .c  om

    for (int i = 0; i < childCount; i++) {
        child = childNodes.item(i);

        if (child.getNodeName().equals(childName)) {
            return child;
        }
    }

    return null;
}

From source file:Main.java

/**
 * Extracts the first CDATA child from the given {@code org.w3c.dom.Element}.
 *
 * @param elem the parent Element//from   ww  w.  ja va  2  s. c om
 * @return the String value of the CDATA section, or {@code null} if none
 *         found
 */
public static String getCdata(Element elem) {
    NodeList nodes = elem.getChildNodes();
    for (int i = 0; i < nodes.getLength(); i++) {
        Node node = nodes.item(i);
        if (node.getNodeType() == Node.CDATA_SECTION_NODE) {
            CharacterData cdataNode = (CharacterData) node;
            return cdataNode.getData();
        }
    }
    return null;
}

From source file:Main.java

/**
 * Checks if the given {@link NodeList} contains a child element.
 *
 * @param list The {@link NodeList} to check.
 * @return Whether the {@link NodeList} contains children.
 *///from w  ww .j  a va  2  s.c  om
public static boolean hasChildElement(NodeList list) {

    Node n;

    for (int i = 0; i < list.getLength(); i++) {
        n = list.item(i);

        if (n.getNodeType() == Node.ELEMENT_NODE) {
            return true;
        }
    }

    return false;

}