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

/**
 * This method searches children of Element element for element with tagName
 * and namespaceURI nsName. It searchs one level down only.
 * //from  w  ww  .ja  v a  2s .  co  m
 * @param element
 *            The root element
 * @param nsName
 *            NamespaceURI
 * @param tagName
 *            A String representing the name of the tag to be searched for.
 * @return A List of elements that meet the criterial.
 */
public static List getElementsByTagNameNS1(Element element, String nsName, String tagName) {
    List list = new ArrayList();
    if (element != null) {
        NodeList nl = element.getChildNodes();
        int length = nl.getLength();
        Node child = null;
        String childName;
        String childNS;
        for (int i = 0; i < length; i++) {
            child = nl.item(i);
            childName = child.getLocalName();
            childNS = child.getNamespaceURI();
            if ((childName != null) && (childName.equals(tagName)) && (childNS != null)
                    && (childNS.equals(nsName))) {
                list.add(child);
            }
        }
    }
    return list;
}

From source file:Main.java

public static void setElementTextValue(Element e, String text, boolean cdata) {
    Document root = e.getOwnerDocument();
    e.normalize();//from w w w. jav a2  s  . c  om
    if (e.hasChildNodes()) {
        NodeList nl = e.getChildNodes();

        /* This suxx: NodeList Object is changed when removing children !!!
           I will store all nodes that should be deleted in a Vector and delete them afterwards */
        int length = nl.getLength();

        List<Node> v = new ArrayList<Node>(nl.getLength());
        for (int i = 0; i < length; i++)
            if (nl.item(i) instanceof CharacterData)
                v.add(nl.item(i));
        for (Node n : v)
            e.removeChild(n);
    }

    if (cdata) {
        e.appendChild(root.createCDATASection(text));
    } else {
        e.appendChild(root.createTextNode(text));
    }
}

From source file:Main.java

/**
 * Gets the value of an element. This method returns a concatenated String
 * from all its TEXT children.// ww w  . j a v a 2  s . co  m
 * 
 * @param element
 *            a DOM tree element.
 * @return A String that contained in its TEXT children; or null if an error
 *         occurred.
 */
public static String getElementValue(Element element) {
    if (element == null) {
        return null;
    }
    StringBuffer sb = new StringBuffer(1000);
    NodeList nl = element.getChildNodes();
    Node child = null;
    int length = nl.getLength();
    for (int i = 0; i < length; i++) {
        child = nl.item(i);
        if (child.getNodeType() == Node.TEXT_NODE) {
            sb.append(child.getNodeValue());
        }
    }

    return sb.toString().trim();
}

From source file:Main.java

/**
 * This method searches children of Element element for element with tagName
 * and namespaceURI nsName. It searchs one level down only.
 * @param element The root element/*w  w w.  j av a2s .c om*/
 * @param nsName NamespaceURI
 * @param tagName A String representing the name of the tag to be searched
 *                        for.
 * @return A List of elements that meet the criterial.
 */
@SuppressWarnings("unchecked")
public static List getElementsByTagNameNS1(Element element, String nsName, String tagName) {
    List list = new ArrayList();
    if (element != null) {
        NodeList nl = element.getChildNodes();
        int length = nl.getLength();
        Node child = null;
        String childName;
        String childNS;

        for (int i = 0; i < length; i++) {
            child = nl.item(i);
            childName = child.getLocalName();
            childNS = child.getNamespaceURI();

            if ((childName != null) && (childName.equals(tagName)) && (childNS != null)
                    && (childNS.equals(nsName))) {
                list.add(child);
            }
        }
    }

    return list;
}

From source file:Main.java

/**
 * Gets the value of an element. This method returns a concatenated String
 * from all its TEXT children./*  ww  w.  j a v  a  2  s  .com*/
 * 
 * @param element
 *            a DOM tree element.
 * @return A String that contained in its TEXT children; or null if an error
 *         occurred or the input contain non Node.TEXT_NODE node.
 */
public static String getElementString(Element element) {
    if (element == null) {
        return null;
    }
    StringBuffer sb = new StringBuffer(1000);
    NodeList nl = element.getChildNodes();
    Node child = null;
    for (int i = 0, length = nl.getLength(); i < length; i++) {
        child = nl.item(i);
        if (child.getNodeType() == Node.TEXT_NODE) {
            sb.append(child.getNodeValue());
        } else {
            return null;
        }
    }

    return sb.toString().trim();
}

From source file:Main.java

/**
 * Convert an XML fragment from one namespace to another.
 *
 * @param from      element to translate
 * @param namespace namespace to be translated to
 * @return the element in the new namespace
 *
 * @since 8.4//w w  w  . j  av  a 2  s.c  o m
 */
public static Element translateXML(Element from, String namespace) {
    Element to = from.getOwnerDocument().createElementNS(namespace, from.getLocalName());
    NodeList nl = from.getChildNodes();
    int length = nl.getLength();
    for (int i = 0; i < length; i++) {
        Node node = nl.item(i);
        Node newNode;
        if (node.getNodeType() == Node.ELEMENT_NODE) {
            newNode = translateXML((Element) node, namespace);
        } else {
            newNode = node.cloneNode(true);
        }
        to.appendChild(newNode);
    }
    NamedNodeMap m = from.getAttributes();
    for (int i = 0; i < m.getLength(); i++) {
        Node attr = m.item(i);
        to.setAttribute(attr.getNodeName(), attr.getNodeValue());
    }
    return to;
}

From source file:Main.java

public static List getAllChildElements(Element parent, String name) {
    List elements = null;// www  . ja va 2s . c  om
    if (parent != null) {
        elements = Collections.synchronizedList(new ArrayList());
        NodeList childNodes = parent.getChildNodes();
        for (int current = 0; current < childNodes.getLength(); current++) {
            Node node = childNodes.item(current);
            if ((node instanceof Element) && node.getNodeName().equals(name)) {
                elements.add(node);
            }
        }
    }
    return elements;
}

From source file:Main.java

private static void traverseNodes(Element parent, String tagName, List<Element> lst) {
    if (parent.getTagName().indexOf(tagName) != -1) {
        lst.add(parent);/*from   www .  j av a2s.co m*/
        return;
    } else {
        NodeList nodeList = parent.getChildNodes();
        for (int i = 0; i < nodeList.getLength(); i++) {
            Node item = nodeList.item(i);
            if (item.getNodeType() == Node.ELEMENT_NODE) {
                traverseNodes((Element) item, tagName, lst);
            }
        }
    }
}

From source file:Main.java

public static String getTagValue(Node node, String name) {

    if (node.getNodeType() == Node.ELEMENT_NODE) {

        Element el = (Element) node;
        NodeList nodeList = el.getElementsByTagName(name);
        if (nodeList.getLength() > 0) {
            el = (Element) nodeList.item(0);
            nodeList = el.getChildNodes();

            if (nodeList.getLength() > 0) {
                return ((Node) nodeList.item(0)).getNodeValue();
            }//from  w  w  w. j  av  a 2 s.co  m
        }

    }
    return "";
}

From source file:Main.java

/**
 * Get all child elements of the specified (root) element. If the root is null, an illegal argument exception is
 * thrown. If the root has no children, an empty array is returned.
 * /*from ww w. ja v  a  2s .c  o  m*/
 * @param root The element to search.
 * @return An array of all child elements of the root.
 */
public static ArrayList<Element> getElements(Element root) {
    if (root == null)
        throw new IllegalArgumentException("Null or invalid root element!");
    NodeList lst = root.getChildNodes();
    final int n = lst.getLength();
    ArrayList<Element> a = new ArrayList<Element>(n);
    for (int i = 0; i < n; i++) {
        Node node = lst.item(i);
        if (node.getNodeType() == Node.ELEMENT_NODE)
            a.add((Element) node);
    }
    return a;
}