private void doInvoke(
int currentDepth,
Node parent,
boolean parentIsLink,
List<Object[]> includes,
List<Object[]> excludes,
Action result)
throws IOException {
List<? extends Node> children;
List<Object[]> remainingIncludes;
List<Object[]> remainingExcludes;
String name;
boolean childIsLink;
boolean in;
boolean ex;
if (currentDepth >= maxDepth) {
return;
}
if (!followLinks && parentIsLink) {
return;
}
try {
children = list(parent, includes);
} catch (IOException e) {
result.enterFailed(parent, parentIsLink, e);
return;
}
if (children == null) {
// ignore file
} else {
result.enter(parent, parentIsLink);
currentDepth++;
for (Node child : children) {
name = child.getName();
childIsLink = child.isLink();
remainingIncludes = new ArrayList<>();
remainingExcludes = new ArrayList<>();
in = doMatch(name, includes, remainingIncludes);
ex = doMatch(name, excludes, remainingExcludes);
if (in && !ex && currentDepth >= minDepth && matchPredicates(child, childIsLink)) {
result.select(child, childIsLink);
}
if (remainingIncludes.size() > 0 && !excludesAll(remainingExcludes)) {
doInvoke(currentDepth, child, childIsLink, remainingIncludes, remainingExcludes, result);
}
}
result.leave(parent, parentIsLink);
}
}
/**
* Main methods of this class.
*
* @throws IOException as thrown by the specified FileTask
*/
public void invoke(Node root, Action result) throws IOException {
doInvoke(0, root, root.isLink(), new ArrayList<>(includes), new ArrayList<>(excludes), result);
}