Java Utililty Methods XML Element Root

List of utility methods to do XML Element Root

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Description

The list of methods to do XML Element Root are organized into topic(s).

Method

ElementcreateRoot(Document document, String title)
create Root 
Element node = document.createElement(title);
node.setAttribute("xmlns", "http://www.supermap.com.cn/desktop");
node.setAttribute("version", "9.0.x");
document.appendChild(node);
return node;
ElementcreateRootElement(Document doc, String name)
Create root element for specified document if it does not already exist and return it 
return getRootElement(doc, true, name);
ElementcreateRootElement(Document doc, String name)
Creates a root element for the specified document. 
Element result = doc.createElement(name);
doc.appendChild(result);
return result;
ElementcreateRootElement(Document doc, String rootTagName)
Create an root element with the specified name 
if (doc.getDocumentElement() == null) {
    Element root = doc.createElement(rootTagName);
    doc.appendChild(root);
    return root;
return doc.getDocumentElement();
NodegetElement(String elementName, Node rootNode)
get Element 
Node node = rootNode.getFirstChild();
while (node != null) {
    if (node.getNodeName().equalsIgnoreCase(elementName)) {
        return node;
    node = node.getNextSibling();
return null;
...
StringgetElementData(final Element root, final String elementName)
Gets the text value of the specified element. 
NodeList nodes = root.getElementsByTagName(elementName);
if (nodes.getLength() < 1) {
    return null;
return getElementData(nodes.item(0));
StringgetElementData(final Element root, final String elementName)
Gets the text value of the specified element. 
NodeList nodes = root.getElementsByTagName(elementName);
if (nodes.getLength() < 1) {
    return null;
return getElementData(nodes.item(0));
StringgetElementText(String elemName, Element root, boolean trim)
get Element Text 
Element elem = getFirstElement(elemName, root);
if (elem != null) {
    return getSimpleElementText(elem, trim);
} else {
    return null;
StringgetElementValue(Element root, String name)
get Element Value 
try {
    return root.getElementsByTagName(name).item(0).getTextContent();
} catch (Exception e) {
    if (DEBUG) {
        System.out.println("element: " + name);
        System.out.println(printXML(root));
    throw e;
...
longgetElementValueLong(Element root, String name)
get Element Value Long 
String value = getElementValue(root, name).trim();
if (value.length() == 0 || "null".equalsIgnoreCase(value))
    return 0;
if ("unlimited".equalsIgnoreCase(value))
    return Long.MAX_VALUE;
try {
    return Long.parseLong(value);
} catch (Exception e) {
...