Java Utililty Methods XML Node Value

if (N == null)
    return null;
if (N.getFirstChild() == null)
    return N.getNodeValue();
if (N.getNodeValue() != null)
    return N.getNodeValue();
Node[] Nds = SearchChildrenNodes(N, "#cdata-section", null);
if (Nds == null || Nds.length > 1)
...

if (n == null)
    return null;
String val = n.getNodeValue();
if (val == null) {
    Node child = n.getFirstChild();
    if (child != null) {
        val = child.getNodeValue();
return val;

NodeList nodeList = node.getChildNodes();
int length = nodeList.getLength();
for (int i = 0; i < length; i++) {
    Node n = nodeList.item(i);
    if (n instanceof Text) {
        Text t = (Text) n;
        return t.getNodeValue();
return "";

if (node == null) {
    return null;
if (node.getNodeType() == Node.ELEMENT_NODE) {
    return getElementText((Element) node);
} else if (node.getNodeType() == Node.DOCUMENT_FRAGMENT_NODE) {
    return getFragmentText((DocumentFragment) node);
} else {
...

if (node == null)
    return null;
if (node.getNodeType() == Node.ELEMENT_NODE)
    return getElementText((Element) node);
else if (node.getNodeType() == Node.DOCUMENT_FRAGMENT_NODE)
    return getFragmentText((DocumentFragment) node);
else
    return node.getNodeValue();
...

String value = node.getNodeValue();
if (value == null) {
    Node nChild = node.getFirstChild();
    if (nChild instanceof CharacterData) {
        CharacterData cd = (CharacterData) nChild;
        value = cd.getData();
return value;

String value = null;
if (node != null) {
    value = node.getNodeValue();
    if (value == null) {
        Node child = node.getFirstChild();
        if (child != null)
            value = child.getNodeValue();
    if (value != null) {
        value = value.trim();
        if (value.length() == 0)
            value = null;
return value;

if (node == null)
    return null;
if (node.getNodeType() == Node.ELEMENT_NODE)
    return getElementText((Element) node);
else if (node.getNodeType() == Node.DOCUMENT_FRAGMENT_NODE)
    return getFragmentText((DocumentFragment) node);
else
    return node.getNodeValue();
...

String value = null;
if (node != null) {
    value = node.getNodeValue();
    if (value == null) {
        value = node.getTextContent();
return value;
...

String value = null;
if (node.getFirstChild() != null) {
    value = node.getFirstChild().getNodeValue();
return value;