/**
* Remove nodes not matching the given filter.
*
* @param filter
* The filter to use.
* @param recursive
* If <code>true<code> digs into the children recursively.
*/
public void keepAllNodesThatMatch(NodeFilter filter, boolean recursive) {
Node node;
NodeList children;
for (int i = 0; i < size; ) {
node = nodeData[i];
if (!filter.accept(node)) remove(i);
else {
if (recursive) {
children = node.getChildren();
if (null != children) children.keepAllNodesThatMatch(filter, recursive);
}
i++;
}
}
}
/**
* Filter the list with the given filter.
*
* @param filter
* The filter to use.
* @param recursive
* If <code>true<code> digs into the children recursively.
* @return A new node array containing the nodes accepted by the filter.
* This is a linear list and preserves the nested structure of the
* returned nodes only.
*/
public NodeList extractAllNodesThatMatch(NodeFilter filter, boolean recursive) {
Node node;
NodeList children;
NodeList ret;
ret = new NodeList();
for (int i = 0; i < size; i++) {
node = nodeData[i];
if (filter.accept(node)) ret.add(node);
if (recursive) {
children = node.getChildren();
if (null != children) ret.add(children.extractAllNodesThatMatch(filter, recursive));
}
}
return (ret);
}
