/**
* Gather all virtual files from the input directory into the provided list
*
* @param files the input list to fill in
* @param dir the current directory
* @param recursive flag for recursion
*/
private void gatherFiles(List<VirtualFile> files, VirtualDir dir, boolean recursive) {
// Traverse the children
for (VirtualPath child : dir.getChildren()) {
if (child.isFile()) {
// Found a file
files.add((VirtualFile) child);
} else if (recursive) {
// Recurse
gatherFiles(files, (VirtualDir) child, recursive);
}
}
}
/**
* Main recursive method to gather files matching the provided input paths.
*
* @param files the list to place the files in
* @param path the current path
* @param recursive whether the final file search is recursive or not
* @param paths the array of the input paths
* @param index the current index in the array of input paths
*/
private void gatherFiles(
List<VirtualFile> files, VirtualPath path, boolean recursive, String[] paths, int index) {
if (!path.matches(paths[index])) {
// No match, stop here
return;
}
if (index == paths.length - 1) {
// We have reached a leaf in the path structure
if (path.isFile()) files.add((VirtualFile) path);
else gatherFiles(files, (VirtualDir) path, recursive);
} else {
if (path.isDir()) {
// We have reached an intermediate directory
for (VirtualPath child : ((VirtualDir) path).getChildren()) {
gatherFiles(files, child, recursive, paths, index + 1);
}
}
}
}
/**
* Main recursive method to check for the existence of the provided input paths.
*
* @param path the current path
* @param paths the array of the input paths
* @param index the current index in the array of input paths
*/
private boolean containFiles(VirtualPath path, String[] paths, int index) {
if (!path.matches(paths[index])) {
// No match, stop here
return false;
}
if (index == paths.length - 1) {
// We have reached a leaf in the path structure
return true;
}
if (path.isDir()) {
// We have reached an intermediate directory
for (VirtualPath child : ((VirtualDir) path).getChildren()) {
if (containFiles(child, paths, index + 1)) return true;
}
}
return false;
}
