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

ElementgetRootElement(Document document)
Get root element of XML file 
return document.getDocumentElement();
ElementgetRootElement(Document parent)
Gets the root element of a document. 
return getFirstChildElement((Node) parent);
ElementgetRootElement(final Element descendant)
Walks the parent chain from the specified element to find the root node. 
Element element = descendant;
while (element.getParentNode() != null && element.getParentNode() instanceof Element) {
    element = (Element) element.getParentNode();
return element;
ElementgetRootElement(final File definition)
Return the root element of the supplied file. 
if (!definition.exists()) {
    throw new FileNotFoundException(definition.toString());
if (!definition.isFile()) {
    final String error = "Source is not a file: " + definition;
    throw new IllegalArgumentException(error);
final DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
...
ElementgetRootElement(final String respuestaPost)
Obtiene el nodo raiz del documento xml 
return DocumentBuilderFactory.newInstance().newDocumentBuilder()
        .parse(new ByteArrayInputStream(respuestaPost.getBytes())).getDocumentElement();
StartElementgetRootElement(final XMLEventReader bufferedXmlEventReader)
get Root Element 
XMLEvent rootElement;
try {
    rootElement = bufferedXmlEventReader.nextEvent();
    while (rootElement.getEventType() != XMLEvent.START_ELEMENT && bufferedXmlEventReader.hasNext()) {
        rootElement = bufferedXmlEventReader.nextEvent();
} catch (XMLStreamException e) {
    throw new RuntimeException("Failed to read root element from XML", e);
...
ElementgetRootElement(String elementName, String namespace, String prefix)
Returns a namespaced root element of a document Useful to create a namespace holder element 
try {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setNamespaceAware(true);
    DocumentBuilder builder = factory.newDocumentBuilder();
    DOMImplementation impl = builder.getDOMImplementation();
    Document namespaceHolder = impl.createDocument(namespace,
            (prefix == null ? "" : prefix + ":") + elementName, null); 
    Element rootNS = namespaceHolder.getDocumentElement();
...
ElementgetRootElement(String location)
return the root Element of an XML file with given location 
Element root = null;
try {
    FileInputStream fi = new FileInputStream(location);
    DocumentBuilderFactory builderFac = DocumentBuilderFactory.newInstance();
    builderFac.setNamespaceAware(true);
    root = builderFac.newDocumentBuilder().parse(fi).getDocumentElement();
} catch (SAXException ex) {
    notify(location, ex);
...
ElementgetRootElementFromString(String payload)
get Root Element From String 
return getDocument(payload).getDocumentElement();
StringgetRootElementName(Class clazz)
get Root Element Name 
XmlRootElement element = (XmlRootElement) clazz.getAnnotation(XmlRootElement.class);
return !DEFAULT_NAME.equals(element.name()) ? element.name() : clazz.getSimpleName();