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

/**
 * Gets <code>CDATASection</code> element for node.
 *
 * @param node node with text./*from   w w  w.  ja va 2s . co m*/
 * @return text, that contains the specified node.
 */
public static String getNodeCDATASection(final Node node) {
    //        node.normalize();
    final NodeList list = node.getChildNodes();
    for (int i = 0, len = list.getLength(); i < len; i++) {
        final Node child = list.item(i);
        if (child.getNodeType() == Node.CDATA_SECTION_NODE)
            return child.getNodeValue();
    }
    return null;
}

From source file:Main.java

/**
 * Returns a list of the direct child {@link Element}s of the given parent.
 * /*w w  w.j  a  va2s . c om*/
 * @param parent The parent element.
 */
public static List<Element> getChildElements(Element parent) {
    List<Element> childElements = new LinkedList<Element>();
    NodeList childNodes = parent.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node childNode = childNodes.item(i);
        if (childNode instanceof Element)
            childElements.add((Element) childNode);
    }
    return childElements;
}

From source file:Main.java

public static List<Node> getChildNodes(Node node, String childTag) {
    ArrayList<Node> nodes = new ArrayList<Node>();
    if (node == null)
        return nodes;
    NodeList nodeList = node.getChildNodes();
    for (int i = 0; i < nodeList.getLength(); i++) {
        Node childNode = nodeList.item(i);
        if (childNode != null && childNode.getLocalName() != null
                && childNode.getLocalName().equals(childTag)) {
            nodes.add(childNode);/*from  w w  w.j  a v a  2s . co  m*/
        }
    }
    return nodes;
}

From source file:Main.java

public static List<? extends Node> get_childs(Node parent, String child_name) {
    List<Node> result = new LinkedList<Node>();
    NodeList children = parent.getChildNodes();
    for (int i = 0; i < children.getLength(); ++i) {
        Node child = children.item(i);
        if (child.getNodeName().equals(child_name))
            result.add(child);//from w  w w. ja v a  2 s  . c om
    }
    return result;
}

From source file:Main.java

private static void registerIDs(Document doc, Node node, Map<String, Node> idMap) {
    if (node.getNodeType() == Node.ELEMENT_NODE) {
        if (node.getAttributes().getNamedItem("id") != null) {
            final String id = node.getAttributes().getNamedItem("id").getNodeValue();
            idMap.put(id, (Element) node);
        }/*from  w  w  w  .  ja va 2s. c  om*/
    }
    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        registerIDs(doc, children.item(i), idMap);
    }

}

From source file:Main.java

private static boolean elementIsRedundant(Element element) {
    if (element.hasAttributes())
        return false;
    if (!element.hasChildNodes())
        return true;
    NodeList children = element.getChildNodes();
    int childrenCount = children.getLength();
    for (int i = 0; i < childrenCount; ++i) {
        Node child = children.item(i);
        String value = child.getNodeValue();
        if (value != null && !value.matches("\\s*")) {
            return false; // Found non-whitespace text
        }/*  w w w  .j  ava 2 s  .co  m*/
    }
    return true;
}

From source file:Main.java

/**
 * Get the first child element of the specified element, null if it has no child elements.
 * /*  ww  w .j  a  va  2  s .co  m*/
 * @param root The element to search.
 * @return The first child element, null if it has none.
 */
public static Element getFirstChild(Element root) {
    if (root == null)
        return null;
    NodeList lst = root.getChildNodes();
    final int n = lst.getLength();
    for (int i = 0; i < n; i++) {
        Node node = lst.item(i);
        if (node.getNodeType() == Node.ELEMENT_NODE)
            return (Element) node;
    }
    return null;
}

From source file:Main.java

public static Element getChild(Element element, String fieldName) {
    if ((element == null) || (fieldName == null) || fieldName.equals("")) {
        return null;
    }//from w w  w  .  ja  v  a 2  s.c om
    NodeList children = element.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);
        if ((child instanceof Element) && child.getNodeName().equals(fieldName)) {
            return (Element) child;
        }
    }
    return null;
}

From source file:Main.java

public static Element fetchSubElement(Element e, String subElementName) {
    if (e == null || subElementName == null) {
        return null;
    }//from  w w w  .  j  ava  2  s . c  o m

    subElementName = subElementName.toUpperCase();

    NodeList list = e.getChildNodes();
    for (int i = 0; i < list.getLength(); i++) {
        if (list.item(i) instanceof Element) {
            Element element = (Element) list.item(i);
            if (element.getTagName().toUpperCase().equals(subElementName)) {
                return element;
            }
        }
    }

    return null;
}

From source file:Main.java

public static Element getChildByAttrName(Node node, String attrName, String attrValue) {

    NodeList nodeList = node.getChildNodes();
    for (int i = 0; i < nodeList.getLength(); i++) {
        Node n = nodeList.item(i);
        if (n.getNodeType() == Node.ELEMENT_NODE) {
            Element el = (Element) n;
            if (attrValue.equals(el.getAttribute(attrName))) {
                return el;
            }//from  w  w w . j  a  va 2 s. co m
        }
    }

    return null;
}