Example usage for org.w3c.dom Element getChildNodes

Introduction

In this page you can find the example usage for org.w3c.dom Element getChildNodes.

Prototype

public NodeList getChildNodes();

Source Link

Document

A NodeList that contains all children of this node.

Usage

From source file:Main.java

/**
 * Return the contained text within an Element. Returns null if no text found.
 *///from   w w w  . ja  va  2 s.c o  m
public final static String getElementText(Element element) {
    NodeList nl = element.getChildNodes();

    for (int i = 0; i < nl.getLength(); i++) {
        Node c = nl.item(i);

        if (c instanceof Text) {
            return ((Text) c).getData();
        }
    }

    return null;
}

From source file:Main.java

/**
 * Removes all Whitespace Noted from the specified element.
 * @param e Element/*from  w w w.j  ava  2  s  .  co  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

/**
 * Get the value of the specified element
 *
 * @param element// w  ww  .  j  a  v  a  2 s .c om
 * @return
 */
public static String getElementValue(Element element) {
    NodeList nl = element.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        if (nl.item(i).getNodeType() == Node.TEXT_NODE) {
            return element.getFirstChild().getNodeValue();
        }
    }

    return null;
}

From source file:Main.java

/**Get a NodeLIst of child nodes, ignoring nodes that have White space
 * @param e//from w ww  .ja  v  a  2  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

/**
 * Scans the tag's children and returns the first text element found
 */// w  w  w  .  j  a va2s  .c o m
public static String getTagText(Element ele) {
    NodeList nl = ele.getChildNodes();
    int size = nl.getLength();

    Node node = null;
    int i = 0;
    for (; i < size; i++) {
        node = nl.item(i);
        if (node instanceof Text)
            break;
    }
    if (i == size || node == null)
        return null;

    return ((Text) node).getData();
}

From source file:Main.java

/**
 * Get all child nodes of a parent node/*from w  w  w.jav  a  2 s. c  o  m*/
 *
 * @param parent
 * @return
 */
public static NodeList getNodeList(Element parent) {
    return parent.getChildNodes();
}

From source file:Main.java

public static void reduceChildrenList(Element elem, Class clazz) {
    for (int i = 0; i < elem.getChildNodes().getLength();) {
        if (clazz.isAssignableFrom(elem.getChildNodes().item(i).getClass())) {
            ++i;//from  ww  w.jav  a2s  . com
        } else {
            elem.removeChild(elem.getChildNodes().item(i));
        }
    }
}

From source file:Main.java

/**
 * Gets the text value from the specified element.
 * @param e The element to get the text content from.
 * @return The text value of the element, or null if the tag is empty.
 *//*from   ww w.j  ava2  s  . c  om*/
private static String getTagValue(Element e) {
    Node n = (Node) e.getChildNodes().item(0);
    if (n == null)
        return null;

    return n.getNodeValue();
}

From source file:Main.java

public static void removeAllChilds(Element parentElem) {
    NodeList children = parentElem.getChildNodes();

    if (children != null) {
        int listLength = children.getLength();
        for (int i = listLength - 1; i >= 0; i--) {
            Element child = (Element) children.item(i);
            parentElem.removeChild(child);
        }//from w  w  w.  j a  v  a  2s. com
    }
}

From source file:Main.java

/**
 * Get a child element with a specific name.
 *
 * @param name Name of the requested child element.
 * @param elem Parent element.//from w w  w.  java2  s. c o  m
 *
 * @return The first child element with the given name, or null if none found.
 */
public static Element getChildElement(String name, Element elem) {

    NodeList l = elem.getChildNodes();
    for (int i = 0; i < l.getLength(); i++) {
        Node n = l.item(i);
        if (n instanceof Element && n.getNodeName().equals(name))
            return (Element) n;
    }
    return null;
}