Java Utililty Methods XML Node Remove

List of utility methods to do XML Node Remove

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Description

The list of methods to do XML Node Remove are organized into topic(s).

Method

voidremoveEmptyLines(Node node)
Remove empty lines which are a descendant of node 
Set<Node> nodesToRemove = new HashSet<Node>();
collectEmptyLines(node, nodesToRemove);
for (Node n : nodesToRemove) {
    n.getParentNode().removeChild(n);
voidremoveEmptyNodes(Node node)
remove Empty Nodes 
NodeList list = node.getChildNodes();
List<Node> nodesToRecursivelyCall = new LinkedList<Node>();
for (int i = 0; i < list.getLength(); i++) {
    nodesToRecursivelyCall.add(list.item(i));
for (Node tempNode : nodesToRecursivelyCall) {
    removeEmptyNodes(tempNode);
boolean emptyElement = node.getNodeType() == Node.ELEMENT_NODE && node.getChildNodes().getLength() == 0;
boolean emptyText = node.getNodeType() == Node.TEXT_NODE && node.getNodeValue().trim().isEmpty();
if (emptyElement || emptyText) {
    node.getParentNode().removeChild(node);
voidremoveEmptyParagraphs(Node root)
remove Empty Paragraphs 
NodeList pNodes = ((Element) root).getElementsByTagName("text:p");
for (int i = 0; i < pNodes.getLength(); i++) {
    Node node = pNodes.item(i);
    if (node.getTextContent().trim().equals("")) {
        if (!node.hasChildNodes()) {
            node.getParentNode().removeChild(node);
            i--;
        } else {
...
voidremoveEmptyTextNodes(Node parentNode)
remove Empty Text Nodes 
Node childNode = parentNode.getFirstChild();
while (childNode != null) {
    Node nextChild = childNode.getNextSibling();
    short nodeType = childNode.getNodeType();
    if (nodeType == Node.TEXT_NODE) {
        boolean containsOnlyWhitespace = childNode.getNodeValue().trim().isEmpty();
        if (containsOnlyWhitespace) {
            parentNode.removeChild(childNode);
...
voidremoveEmptyTextNodes(Node parentNode)
Removes all empty or whitespace only text nodes from the given parent node. 
Node childNode = parentNode.getFirstChild();
while (childNode != null) {
    Node nextChild = childNode.getNextSibling();
    short nodeType = childNode.getNodeType();
    if (nodeType == Node.TEXT_NODE) {
        boolean containsOnlyWhitespace = childNode.getNodeValue().trim().isEmpty();
        if (containsOnlyWhitespace) {
            parentNode.removeChild(childNode);
...
NoderemoveJavascripts(Node node)
Recursive method that traverses text node and removes any markup that could possibly contain javascript code. 
if (node == null)
    return node;
if ("script".equalsIgnoreCase(node.getNodeName())) {
    node.getParentNode().removeChild(node);
NamedNodeMap attributes = node.getAttributes();
if (attributes != null) {
    for (int attrIdx = 0; attrIdx < attributes.getLength(); attrIdx++) {
...
voidremoveLeafNode(Node node)
Removes the Leaf Node 
if (!node.hasChildNodes())
    node.getParentNode().removeChild(node);
NoderemoveNamedItem(final NamedNodeMap nodeMap, final String name)
remove Named Item 
return nodeMap == null ? null : nodeMap.removeNamedItem(name);
voidremoveNamespaceDeclarations(Node node, String... namespaces)
remove Namespace Declarations 
NamedNodeMap namedNodeMap = ((Element) node).getAttributes();
for (int nameIndex = 0; nameIndex < namedNodeMap.getLength(); nameIndex++) {
    Node namedNode = namedNodeMap.item(nameIndex);
    String uri = namedNode.getNamespaceURI();
    String localName = namedNode.getLocalName();
    if (uri != null && uri.equals("http://www.w3.org/2000/xmlns/")) {
        for (String removeableNamespace : namespaces) {
            if (namedNode.getNodeValue().equals(removeableNamespace)) {
...
voidremoveNode(final Node node)
remove Node 
if (node == null) {
    return;
final Node parent = node.getParentNode();
if (parent == null) {
    return;
parent.removeChild(node);
...