org.w3c.dom.Document#ELEMENT_NODE源码实例Demo

private Object getSiblingAt(Node node, int offset, boolean skipNonElement) {
    Object result = null;
    int indexInParent = getIndexInParent(node);
    if (indexInParent != -1) {
        int siblingIndex = indexInParent + offset;
        NodeList siblings = node.getParentNode().getChildNodes();
        // Get the sibling at the offset. In case it's out of
        // bounds, return null.
        while (result == null) {
            if (siblingIndex >= 0 && siblingIndex < siblings.getLength()) {
                Node sibling = siblings.item(siblingIndex);
                if (skipNonElement && sibling.getNodeType() != Document.ELEMENT_NODE) {
                    // skip the non-element node
                    siblingIndex += (offset < 0) ? -1 : 1;
                } else {
                    result = sibling;
                    break;
                }
            } else {
                // out of bounds
                break;
            }
        }
    }
    return result;
}
 

@SuppressWarnings("unused")
private static List<Node> getChildNodes(Node theNode, String childElName) {
	LinkedList<Node> nodes = new LinkedList<Node>();
	NodeList childs = theNode.getChildNodes();
	for (int j = 0; j < childs.getLength(); j++) {
		if (childs.item(j).getNodeType() == Document.ELEMENT_NODE && childs.item(j).getNodeName().equals(childElName)) {
			nodes.add(childs.item(j));
		}
	}
	return nodes;
}
 

protected static List<Node> getChildNodes(Node theNode, String childElName) {
	LinkedList<Node> nodes = new LinkedList<Node>();
	NodeList childs = theNode.getChildNodes();
	for (int j = 0; j < childs.getLength(); j++) {
		if (childs.item(j).getNodeType() == Document.ELEMENT_NODE && childs.item(j).getNodeName().equals(childElName)) {
			nodes.add(childs.item(j));
		}
	}
	return nodes;
}
 

static List<Node> getChildNodes(Node theNode, String childElName) {
	LinkedList<Node> nodes = new LinkedList<Node>();
	NodeList childs = theNode.getChildNodes();
	for (int j = 0; j < childs.getLength(); j++) {
		if (childs.item(j).getNodeType() == Document.ELEMENT_NODE && childs.item(j).getNodeName().equals(childElName)) {
			nodes.add(childs.item(j));
		}
	}
	return nodes;
}
 

/**
 * Adds the nodes in actionArgs as children nodes to editNode.
 *
 * @param editNode   The node on which children will be added.
 * @param actionArgs The nodes to add.
 */
private void nodeAdd(Node editNode, NodeList actionArgs) {
    // got through and add each new node to the root
    for (int k = 0; k < actionArgs.getLength(); k++) {
        Node n = actionArgs.item(k);

        if (n.getNodeType() == Document.ELEMENT_NODE) {
            editNode.appendChild(editNode.getOwnerDocument().adoptNode(n.cloneNode(true)));
        }
    }
}