/**
* Get this element's child data nodes. The list is unmodifiable but the data nodes may be
* manipulated.
*
* <p>This is effectively a filter on {@link #childNodes()} to get Data nodes.
*
* @return child data nodes. If this element has no data nodes, returns an empty list.
* @see #data()
*/
public List<DataNode> dataNodes() {
List<DataNode> dataNodes = new ArrayList<DataNode>();
for (Node node : childNodes) {
if (node instanceof DataNode) dataNodes.add((DataNode) node);
}
return Collections.unmodifiableList(dataNodes);
}
/**
* Get this element's child text nodes. The list is unmodifiable but the text nodes may be
* manipulated.
*
* <p>This is effectively a filter on {@link #childNodes()} to get Text nodes.
*
* @return child text nodes. If this element has no text nodes, returns an empty list.
* <p>For example, with the input HTML: {@code <p>One <span>Two</span> Three <br> Four</p>}
* with the {@code p} element selected:
* <ul>
* <li>{@code p.text()} = {@code "One Two Three Four"}
* <li>{@code p.ownText()} = {@code "One Three Four"}
* <li>{@code p.children()} = {@code Elements[<span>, <br>]}
* <li>{@code p.childNodes()} = {@code List<Node>["One ", <span>, " Three ", <br>, " Four"]}
* <li>{@code p.textNodes()} = {@code List<TextNode>["One ", " Three ", " Four"]}
* </ul>
*/
public List<TextNode> textNodes() {
List<TextNode> textNodes = new ArrayList<TextNode>();
for (Node node : childNodes) {
if (node instanceof TextNode) textNodes.add((TextNode) node);
}
return Collections.unmodifiableList(textNodes);
}