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:Utils.java

/**
 * <p>Returns the first child element with the given name. Returns
 * <code>null</code> if not found.</p>
 *
 * @param parent parent element/*from   www  .  j  a v a  2 s  . c  om*/
 * @param name name of the child element
 * @return child element
 */
public static Element getChildElementByName(Element parent, String name) {
    NodeList children = parent.getChildNodes();

    for (int i = 0; i < children.getLength(); i++) {
        Node node = children.item(i);
        if (node.getNodeType() == Node.ELEMENT_NODE) {
            Element element = (Element) node;
            if (element.getTagName().equals(name)) {
                return element;
            }
        }
    }

    return null;
}

From source file:Main.java

public static String getElementValue(Element parent) {

    NodeList nodes = parent.getChildNodes();
    int current = 0;
    int length = nodes.getLength();
    while (current < length) {
        Node node = nodes.item(current);
        if (node instanceof Text) {
            String value = node.getNodeValue();
            if (value != null) {
                return value.trim();
            }//from   w ww  . j a  v  a 2s. c om
        }
        current++;
    }
    return "";
}

From source file:Main.java

public static List<String> getChildListValuesByTagName(Element ele, String childEleName) {

    NodeList nl = ele.getChildNodes();
    List<String> childEles = new ArrayList<String>();
    for (int i = 0; i < nl.getLength(); i++) {
        Node node = nl.item(i);// w  w  w . j a  v a 2 s . c o m
        if (node instanceof Element && childEleName.equals(node.getNodeName())
                || childEleName.equals(node.getLocalName())) {
            childEles.add(getTextValue((Element) node));
        }
    }
    return childEles;
}

From source file:Main.java

public static Element getOnlyElementChild(Element e, String tag, RuntimeException exc) {
    NodeList nl = e.getChildNodes();
    Element result = null;//from w  w w . j  ava 2s.  c  om
    for (int i = 0; i < nl.getLength(); i++) {
        Node n = nl.item(i);
        if (n.getNodeType() == Node.ELEMENT_NODE) {
            if (result != null) // more than one Element children 
                throw exc;
            result = (Element) n;
        }
    }

    if (result == null // zero Element children
            || !result.getTagName().equals(tag)) // wrong tag
        throw exc;
    return result;
}

From source file:Main.java

public static void getInnerText(StringBuilder sb, Element elt, String separator) {
    NodeList tns = elt.getChildNodes();
    for (int j = 0; j < tns.getLength(); j++) {
        Node tn = tns.item(j);/*from   www. j  av  a 2  s.  c  o m*/
        if (tn.getNodeType() == Node.TEXT_NODE) {
            sb.append(tn.getNodeValue());
        } else if (tn.getNodeType() == Node.ELEMENT_NODE) {
            sb.append(separator);
            getInnerText(sb, (Element) tn, separator);
            sb.append(separator);
        }
    }
}

From source file:Main.java

/**
 * returns the text value associated with the element
 *
 * @param target - the element//from   w  ww  .java2  s  . co m
 * @return - the text value
 */
public static String getElementValue(final Element target) {

    final NodeList nodeList = target.getChildNodes();
    if (nodeList == null) {
        return null;
    }
    for (int current = 0; current < nodeList.getLength(); current++) {
        final Node node = nodeList.item(current);
        if (node instanceof Text) {
            final Text text = (Text) node;
            final String value = text.getNodeValue();
            if ((value != null) && (value.length() > 0)) {
                return value;
            }
        }
    }
    return "";
}

From source file:Main.java

/**
 * Gets the first child element.//from  www .j a va2  s .  c  o m
 * 
 * @param e the element.
 * @return the first child element.
 */
public static Element getFirstChildElement(Element e) {
    if (e != null) {
        NodeList children = e.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node node = children.item(i);
            if (node.getNodeType() == Node.ELEMENT_NODE) {
                return (Element) node;
            }
        }
    }
    return null;
}

From source file:Main.java

public static List<Element> getChildElementsByTagName(Element parentElement, String childTag) {
    NodeList nodelist = parentElement.getChildNodes();
    List<Element> nodes = new ArrayList<Element>();
    for (int i = 0; i < nodelist.getLength(); i++) {
        Node temp = nodelist.item(i);
        if (temp.getNodeType() == Node.ELEMENT_NODE && temp.getNodeName().equals(childTag)) {
            nodes.add((Element) temp);
        }//w w w  .  j  a v a 2 s  .c om
    }
    return nodes;
}

From source file:Main.java

public static void genericRemoveAll(Element parent, String tagname) {
    NodeList nl = parent.getChildNodes();
    List<Element> parts = new ArrayList<Element>();
    for (int i = 0; i < nl.getLength(); i++) {
        if (nl.item(i) instanceof Element) {
            Element elem = (Element) nl.item(i);
            if (elem.getTagName().equals(tagname))
                parts.add(elem);/*  w w  w.j a  va  2 s .  c  o m*/
        }
    }
    for (Element part : parts)
        parent.removeChild(part);
}

From source file:Main.java

public static String getNodeText(Node parentNode, String nodeName) {
    Element fstElmnt = (Element) parentNode;
    NodeList fstNmElmntLst = fstElmnt.getElementsByTagName(nodeName);
    Element fstNmElmnt = (Element) fstNmElmntLst.item(0);
    NodeList fstNm = fstNmElmnt.getChildNodes();
    String ret = fstNm.item(0).getNodeValue();
    return ret;//from   www  .ja  v  a  2  s.  c  om
}