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

/**
 * get single element by tag name./*w w  w  .  ja v  a  2  s  .c  o  m*/
 *
 * @param element the element
 * @param tag the tag
 * @return the child elements
 */
public static List<Element> getChildElements(Element element, String tag) {
    return toElements(element.getChildNodes(), tag);
}

From source file:Main.java

/**
 * Retrieves the child element with the specified tag name for the given element.
 *
 * @param   elem     The element whose child element is to be retrieved.
 * @param   tagName  Name of the child element.
 * @pre     elem != null && tagName != null && !tagName.equals("")
 * @return  The text contents of the specified sub element, or null if the subelement
 *          does not exist./*from w  ww. j a  va  2 s  .c  o  m*/
 */
public static Element getChildElement(Element elem, String tagName) {
    NodeList children = elem.getChildNodes();
    Element childElement = null;
    int index = 0;
    while (childElement == null && index < children.getLength()) {
        Node child = children.item(index);
        if (child.getNodeType() == Node.ELEMENT_NODE && ((Element) child).getTagName().equals(tagName)) {
            childElement = (Element) child;
        } else {
            index++;
        }
    }
    return childElement;
}

From source file:Main.java

static String stringElement(Element row, String name) {
    final NodeList childNodes = row.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        final Node node = childNodes.item(i);
        if (name.equals(node.getLocalName())) {
            String result = node.getTextContent();
            // If content is not plain text then returns name of
            // first child tag
            if (result == null && node.hasChildNodes()) {
                result = node.getFirstChild().getLocalName();
            }/* w  w w  . j a v a  2  s . c  om*/
            return result;
        }
    }
    return null;
}

From source file:Main.java

/**
 * Extract the node string representation.
 * //  w  ww. j av a  2 s  .co  m
 * @param nodeList
 * @return
 */
public static String getXmlNodeValue(NodeList nodeList) {
    String retObj = null;

    if (nodeList != null && nodeList.getLength() > 0) {
        Element element = (Element) nodeList.item(0);
        if (element != null && element.getChildNodes() != null) {
            NodeList childNodes = element.getChildNodes();
            if (childNodes != null && childNodes.getLength() > 0) {
                retObj = ((Node) childNodes.item(0)).getNodeValue();
            }
        }
    }
    return retObj;
}

From source file:Main.java

static Element findChild(Element element, String ns, String tag) {
    final NodeList childNodes = element.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        if (childNodes.item(i) instanceof Element) {
            Element child = (Element) childNodes.item(i);
            if (child.getLocalName().equals(tag) && (ns == null || child.getNamespaceURI().equals(ns))) {
                return child;
            }//from ww w  .java  2 s.c o  m
        }
    }
    return null;
}

From source file:Main.java

private static void getNodeList(Document doc, String nodeName, List<Node> result, Node node) {
    NodeList children;//from   www .  ja  v a2s.c o m
    if (node == null) {
        Element root = doc.getDocumentElement();
        children = root.getChildNodes();
    } else {
        if (node.getNodeName().equals(nodeName)) {
            result.add(node);
            return;
        }
        children = node.getChildNodes();
    }
    if (children == null)
        return;
    for (int i = 0; i < children.getLength(); i++) {
        getNodeList(doc, nodeName, result, children.item(i));
    }
}

From source file:Main.java

/**
 * Set the text of the specified element to the given string.
 * //from  w w  w  .  j  av  a 2  s . co m
 * @param e The element.
 * @param text The text string.
 */
public static void setText(Element e, String text) {
    NodeList lst = e.getChildNodes();
    int size = lst.getLength();
    for (int i = 0; i < size; i++) {
        Node n = lst.item(i);
        if (n.getNodeType() == Node.TEXT_NODE) {
            Text t = (Text) n;
            t.setData(text.trim());
            return;
        }
    }
    Document doc = e.getOwnerDocument();
    // bit of a hack - we preserve the cdata on the way in so we can serialize correctly
    // This only works on xml to xml 
    // TODO need to have a "preserve format" or some such on the mdmi structure
    if (text.startsWith("<![CDATA[") && text.endsWith("]]>")) {
        CDATASection cdata = doc
                .createCDATASection(text != null ? text.substring(9, text.lastIndexOf("]]>")) : null);
        e.appendChild(cdata);
    } else {
        Text txt = doc.createTextNode(text != null ? text.trim() : null);
        e.appendChild(txt);
    }

}

From source file:Main.java

/**
 * Get the text content of an element. If the element contains
 * mixed content (both elements and text), only the first text section
 * is returned.//ww w.  j a  v  a2  s  .com
 *
 * @param element target element to retrieve text on, cannot be null.
 * @return text content of the element.
 */
public static String getElementText(Element element) {
    element.normalize();
    NodeList list = element.getChildNodes();
    int len = list.getLength();

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

        if (n.getNodeType() == Node.TEXT_NODE) {
            String s = n.getNodeValue();

            if (s != null) {
                return s.trim();
            }
        }
    }
    return null;
}

From source file:Main.java

/**
 * This will get the text value of an element.
 *
 * @param node The node to get the text value for.
 * @return The text of the node./*from  ww  w .jav a2 s .  c om*/
 */
public static String getNodeValue(Element node) {
    String retval = "";
    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node next = children.item(i);
        if (next instanceof Text) {
            retval = next.getNodeValue();
        }
    }
    return retval;
}

From source file:Main.java

public static Element findChildElement(Element parent, String name) {
    Element result = null;/* w  w w  .j a v a  2s .  c o m*/
    NodeList nodes = parent.getChildNodes();

    for (int i = 0; i < nodes.getLength(); i++) {
        Node node = nodes.item(i);

        if (node.getNodeName().equals(name)) {
            result = (Element) node;
            break;
        }
    }

    return result;
}