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

/**
 * Find all direct child elements of an element. Children which are
 * all-whitespace text nodes or comments are ignored; others cause an
 * exception to be thrown.//from   w  w w  . jav  a2  s.  c  om
 *
 * @param parent a parent element in a DOM tree
 * @return a list of direct child elements (may be empty)
 * @throws IllegalArgumentException if there are non-element children
 *                                  besides whitespace
 *
 * @since 8.4
 */
public static List<Element> findSubElements(Element parent) throws IllegalArgumentException {
    NodeList l = parent.getChildNodes();
    List<Element> elements = new ArrayList<Element>(l.getLength());
    for (int i = 0; i < l.getLength(); i++) {
        Node n = l.item(i);
        if (n.getNodeType() == Node.ELEMENT_NODE) {
            elements.add((Element) n);
        } else if (n.getNodeType() == Node.TEXT_NODE) {
            String text = ((Text) n).getNodeValue();
            if (text.trim().length() > 0) {
                throw new IllegalArgumentException("non-ws text encountered in " + parent + ": " + text); // NOI18N
            }
        } else if (n.getNodeType() == Node.COMMENT_NODE) {
            // OK, ignore
        } else {
            throw new IllegalArgumentException("unexpected non-element child of " + parent + ": " + n); // NOI18N
        }
    }
    return elements;
}

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From source file:DOMEdit.java

public static void newEmail(Document doc, String newname, String newemail) {
        Element root = doc.getDocumentElement();
        NodeList rootlist = root.getChildNodes();
        for (int i = 0; i < rootlist.getLength(); i++) {
            Element person = (Element) rootlist.item(i);
            NodeList personlist = person.getChildNodes();
            Element name = (Element) personlist.item(0);
            NodeList namelist = name.getChildNodes();
            Text nametext = (Text) namelist.item(0);
            String oldname = nametext.getData();
            if (oldname.equals(newname)) {
                Element email = (Element) personlist.item(1);
                NodeList emaillist = email.getChildNodes();
                Text emailtext = (Text) emaillist.item(0);
                emailtext.setData(newemail);
            }//from  w w  w  . j a v  a 2s  .c o m
        }
    }

---

From source file:Main.java

/**
 * Get all direct child elements with a given name, for a parent element.
 * @param e/*from w w w  .ja  v  a2  s  . co  m*/
 * @return
 */
public static List<Element> getChildElements(Element e, String name) {
    if (e == null)
        return null;
    List<Element> result = new LinkedList<Element>();
    NodeList list = e.getChildNodes();
    for (int i = 0; i < list.getLength(); i++) {
        Node n = list.item(i);
        if (n instanceof Element) {
            if (name == null || name.equals(n.getLocalName()) || n.getLocalName().endsWith(":" + name)) {
                result.add((Element) n);
            }
        }
    }
    return result;
}

---

From source file:Main.java

private static List<Element> getChildElementsByName(Element parentElement, String childElementName) {
    List<Element> elementList = new ArrayList<Element>();
    NodeList childNodes = parentElement.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node node = childNodes.item(i);
        if (node.getNodeType() == Node.ELEMENT_NODE) {
            Element childElement = (Element) node;
            if (childElement.getNodeName().equals(childElementName)) {
                elementList.add(childElement);
            }/*from www. j a  v a 2 s .  c o m*/
        }
    }

    return elementList;
}

---

From source file:Main.java

/**
 * Get all direct child elements with a given name, for a parent element.
 * @param e//  w  w  w. j  a  v a  2  s  .  c o m
 * @return
 */
public static List<Element> getChildElements(Element e, String name) {
    if (e == null)
        return null;
    List<Element> result = new LinkedList<Element>();
    NodeList list = e.getChildNodes();
    for (int i = 0; i < list.getLength(); i++) {
        Node n = list.item(i);
        if (n instanceof Element) {
            if (name == null || name.equals(((Element) n).getLocalName())
                    || ((Element) n).getLocalName().endsWith(":" + name)) {
                result.add((Element) n);
            }
        }
    }
    return result;
}

---

From source file:Main.java

private static Node getChildNodeByType(Element element, short nodeType) {
    if (element == null)
        return null;

    NodeList nodes = element.getChildNodes();
    if (nodes == null || nodes.getLength() < 1)
        return null;

    Node node;/*from w  ww  . j  av a2  s.  c om*/
    String data;
    for (int i = 0; i < nodes.getLength(); i++) {
        node = nodes.item(i);
        short type = node.getNodeType();
        if (type == nodeType) {
            if (type == Node.TEXT_NODE || type == Node.CDATA_SECTION_NODE) {
                data = ((Text) node).getData();
                if (data == null || data.trim().length() < 1)
                    continue;
            }

            return node;
        }
    }

    return null;
}

---

From source file:Main.java

/**
 * Copy elements from one document to another attaching at the specified
 * element and translating the namespace.
 *
 * @param from         copy the children of this element (exclusive)
 * @param to           where to attach the copied elements
 * @param newNamespace destination namespace
 *
 * @since 8.4/*  ww  w  .  j av  a2 s  .  c  o m*/
 */
public static void copyDocument(Element from, Element to, String newNamespace) {
    Document doc = to.getOwnerDocument();
    NodeList nl = from.getChildNodes();
    int length = nl.getLength();
    for (int i = 0; i < length; i++) {
        Node node = nl.item(i);
        Node newNode = null;
        if (Node.ELEMENT_NODE == node.getNodeType()) {
            Element oldElement = (Element) node;
            newNode = doc.createElementNS(newNamespace, oldElement.getTagName());
            NamedNodeMap m = oldElement.getAttributes();
            Element newElement = (Element) newNode;
            for (int index = 0; index < m.getLength(); index++) {
                Node attr = m.item(index);
                newElement.setAttribute(attr.getNodeName(), attr.getNodeValue());
            }
            copyDocument(oldElement, newElement, newNamespace);
        } else {
            newNode = node.cloneNode(true);
            newNode = to.getOwnerDocument().importNode(newNode, true);
        }
        if (newNode != null) {
            to.appendChild(newNode);
        }
    }
}

---

From source file:Main.java

private final static String getElement(String filePath, String key) throws Exception {

    String value = null;//from ww  w  . ja  v  a2  s. co  m

    try {

        DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();

        File xmlFile = new File(filePath);

        Document document = documentBuilder.parse(xmlFile);

        Element resourcesElement = document.getDocumentElement();
        resourcesElement.normalize();

        NodeList strings = resourcesElement.getChildNodes();

        int stringsCount = strings.getLength();

        for (int i = 0; i < stringsCount; i++) {

            Node node = strings.item(i);

            short nodeType = node.getNodeType();

            if (nodeType == Node.ELEMENT_NODE) {

                Element element = (Element) node;

                String attribute = element.getAttribute("name");

                if (attribute.equals(key)) {

                    value = element.getTextContent();
                }
            }
        }

    } catch (Exception ex) {

        throw ex;
    }

    return value;
}

---

From source file:Main.java

public static Element getChild(Element node, String tagName) {
    Element element = null;/*from w w  w . j a  va  2s. co m*/

    do {
        if (node == null) {
            break;
        }

        NodeList childNodes = node.getChildNodes();
        for (int i = 0; i < childNodes.getLength(); i++) {
            Node child = childNodes.item(i);

            if (child.getNodeType() == Node.ELEMENT_NODE) {
                if (child.getNodeName().equals(tagName)) {
                    element = (Element) child;
                    break;
                }
            }
        }
    } while (false);

    return element;
}

---

From source file:Main.java

/**
 * Get the content of the given element.
 *
 * @param element   The element to get the content for.
 * @param defaultStr The default to return when there is no content.
 * @return The content of the element or the default.
 *//*  www.j av  a2 s .  c  o m*/
public static String getElementContent(Element element, String defaultStr) throws Exception {
    if (element == null) {
        return defaultStr;
    }

    NodeList children = element.getChildNodes();
    StringBuilder result = new StringBuilder("");
    for (int i = 0; i < children.getLength(); i++) {
        if (children.item(i).getNodeType() == Node.TEXT_NODE
                || children.item(i).getNodeType() == Node.CDATA_SECTION_NODE) {
            result.append(children.item(i).getNodeValue());
        }
        //         else if ( children.item( i ).getNodeType() == Node.COMMENT_NODE ) {
        //            // Ignore comment nodes
        //         }
    }
    return result.toString().trim();
}

---

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