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

/**
 * Removes all Whitespace Noted from the specified element.
 * @param e Element// www.j  a  v a2  s.  c  o m
 */
private 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

public static Element getElementByTagName(Element element, String tagName) {
    NodeList nodeList = element.getElementsByTagName(tagName);
    if (nodeList.getLength() == 0) {
        return null;
    }//from   w w  w .j  a  v  a  2 s  . co m
    Node node = nodeList.item(0);
    return (Element) node;
}

From source file:Main.java

/**
 * @param node/*from  ww  w.  j  ava2  s . c  om*/
 * @param name
 * @return all children nodes whose names contain <code>like</code>
 */
public static List<Node> findChildrenLike(Node node, String like) {
    List<Node> ret = new LinkedList<Node>();
    NodeList nl = node.getChildNodes();
    int len = nl.getLength();
    Node child;
    for (int i = 0; i < len; i++) {
        child = nl.item(i);
        if (child.getNodeName().indexOf(like) > 0) {
            ret.add(child);
        }
    }
    return ret;
}

From source file:Main.java

/**Get a NodeLIst of child nodes, ignoring nodes that have White space
 * @param e/*from w  ww.j av  a2  s  .  co m*/
 * @return
 */
public static NodeList getChildNodesNoWS(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);
        }

    }
    return e.getChildNodes();
}

From source file:Main.java

public static Stream<Node> stream(NodeList nodeList) {
    Node[] nodes = new Node[nodeList.getLength()];

    for (int i = 0; i < nodeList.getLength(); i++) {
        nodes[i] = nodeList.item(i);/* w ww  . j av  a  2 s.  c o m*/
    }
    return Stream.of(nodes);
}

From source file:Main.java

public static Element getChildElement(Element elem, String name) {
    NodeList nodes = elem.getChildNodes();
    for (int i = 0; i < nodes.getLength(); i++) {
        Node node = nodes.item(i);
        if (node.getNodeType() == Node.ELEMENT_NODE && node.getNodeName().equals(name)) {
            return (Element) node;
        }/*from   w  w w  . j a  v a  2s  .  co m*/
    }
    return null;
}

From source file:Main.java

/**
 * @param node/* ww w  .  j a va2s .  c om*/
 * @param name
 * @return all children nodes with the given name
 */
public static List<Node> findChildren(Node node, String name) {
    List<Node> ret = new LinkedList<Node>();
    NodeList nl = node.getChildNodes();
    int len = nl.getLength();
    Node child;
    for (int i = 0; i < len; i++) {
        child = nl.item(i);
        if (name.equals(child.getNodeName())) {
            ret.add(child);
        }
    }
    return ret;
}

From source file:Main.java

public static Element getFirstElement(Element element) {
    Element result = null;/*from   w ww  .  j av  a2 s.  c om*/
    NodeList nl = element.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        if (nl.item(i) instanceof Element) {
            result = (Element) nl.item(i);
        }
    }
    return result;
}

From source file:Main.java

public static final Boolean parameterExists(final Element e, final String name) {
    NodeList nl = e.getElementsByTagName(name);
    if (nl.getLength() > 0) {
        return true;
    } else {/*from  w  w w  .ja v a 2s .  c  o  m*/
        return false;
    }
}

From source file:Main.java

public static String getNodeContent(Document document, String nodeName) {
    NodeList nl = document.getElementsByTagName(nodeName);
    if (0 == nl.getLength()) {
        return "";
    } else {/*from  w w w.  jav  a  2 s .co  m*/
        return nl.item(0).getTextContent();
    }
}