Example usage for org.w3c.dom Element hasChildNodes

Introduction

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

Prototype

public boolean hasChildNodes();

Source Link

Document

Returns whether this node has any children.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setValidating(true);// ww  w  . ja v  a 2  s.c o  m

    factory.setExpandEntityReferences(false);

    Document doc = factory.newDocumentBuilder().parse(new File("filename"));

    Element element = doc.getDocumentElement();
    Element element2 = doc.createElement("newname");
    NamedNodeMap attrs = element.getAttributes();
    for (int i = 0; i < attrs.getLength(); i++) {
        Attr attr2 = (Attr) doc.importNode(attrs.item(i), true);
        element2.getAttributes().setNamedItem(attr2);
    }
    while (element.hasChildNodes()) {
        element2.appendChild(element.getFirstChild());
    }
    element.getParentNode().replaceChild(element2, element);
}

From source file:Main.java

public static void removeChilds(Element e) {
    while (e.hasChildNodes())
        e.removeChild(e.getFirstChild());
}

From source file:Main.java

public static String getTextContents(Element e) {
    if (!e.hasChildNodes())
        return null;

    StringBuffer buf = new StringBuffer();
    NodeList list = e.getChildNodes();
    int len = list.getLength();
    String text;//from w  w w .j a  v a  2 s. c o m
    for (int i = 0; i < len; i++) {
        text = ((Node) list.item(i)).getNodeValue();
        if (text != null)
            buf.append(text);
    }
    return buf.toString();
}

From source file:Main.java

public static void insertBeforeFirstChild(Element object, Element attrId) {
    if (object.hasChildNodes()) {
        object.insertBefore(attrId, object.getFirstChild());
    } else {//from w w  w  .  j av  a2s.c  o m
        object.appendChild(attrId);
    }
}

From source file:Main.java

public static void addAsFirstChild(Element element, Element newChild) {
    if (element.hasChildNodes()) {
        element.insertBefore(newChild, element.getChildNodes().item(0));
    } else {/*w ww .  j  a v a2  s  .co  m*/
        element.appendChild(newChild);
    }
}

From source file:Main.java

/**
 * @param elem//from w w  w . ja  va 2  s. co m
 * @param childTag
 * @return
 */
public static Element getFirstChild(Element elem, String childTag) {
    if (elem.hasChildNodes()) {
        NodeList list = elem.getElementsByTagName(childTag);
        int count = list.getLength();

        for (int i = 0; i < count; i++) {
            Node node = list.item(i);
            if (node.getParentNode() != elem)
                continue;

            if (node.getNodeType() == Node.ELEMENT_NODE) {
                return (Element) node;
            }
        }
    }

    return null;
}

From source file:Main.java

/**
 * Returns true if element node has children elements
 * @param actElement//from ww  w .j  a  v  a 2  s .  c  om
 * @return
 */
protected static boolean hasChildElementNodes(Element actElement) {
    try {
        if (actElement.hasChildNodes()) {
            NodeList childNodes = actElement.getChildNodes();

            for (int i = 0; i < childNodes.getLength(); i++) {
                Node element = childNodes.item(i);
                if (element.getNodeType() == Node.ELEMENT_NODE) {
                    return true;
                }
            }
        }
        return false;
    } catch (Exception e) {
        e.printStackTrace();
        return false;
    }
}

From source file:Main.java

/** Helper method - Determines if a <I>Node</I> has any non-<I>CharacterData</I> nodes.
This call is stricter than the <CODE>Node.hasChildNodes</CODE> call.
 *//* w ww  .  ja v a2  s.c om*/
public static boolean hasNonCharacterChildren(Element pElement) {
    // Do the quick test.
    if (!pElement.hasChildNodes())
        return false;

    NodeList pNodeList = pElement.getChildNodes();
    int nLength = pNodeList.getLength();

    // Find a non-character data node.
    for (int i = 0; i < nLength; i++)
        if (!(pNodeList.item(i) instanceof CharacterData))
            return true;

    return false;
}

From source file:Main.java

public static Element GetCustomer(JFrame mainFrame, long lookupValue, Document CustomerDoc) {
    Element Customer = null;/*from   w w  w  .ja  v a  2s .com*/
    Element Root = CustomerDoc.getDocumentElement();
    if (Root.hasChildNodes()) {
        NodeList Customers = Root.getChildNodes();
        for (int i = 0; i < Customers.getLength(); i++) {
            if (Customers.item(i).getNodeName() == "#text")
                continue;
            Element Current = (Element) Customers.item(i);
            if (lookupValue == Integer.parseInt(Current.getAttribute("Id"))) {
                Customer = Current;
            }
        }
    }
    return Customer;
}

From source file:Main.java

public static List<Node> contents(Element element) {
    if (element == null || !element.hasChildNodes()) {
        return Collections.emptyList();
    }//from  w  ww.  jav a  2s . c o m

    List<Node> contents = new ArrayList<Node>();
    for (Node child = element.getFirstChild(); child != null; child = child.getNextSibling()) {
        contents.add(child);
    }
    return contents;
}