public static List<FolderIndex> getIndexList(Index node) {
List<FolderIndex> digest = new ArrayList<FolderIndex>();
if (node.isFolder()) {
// add self
digest.add((FolderIndex) node);
// add children
for (Index child : ((FolderIndex) node).getChildren()) {
if (child.isFolder()) digest.addAll(getIndexList(child));
}
}
return digest;
}
/**
* Return sif the node is shared or has any children that are shared.
*
* @return if the node is shared or has a shared sub-section
*/
public boolean isSharedOrHasSharedChildren() {
if (isShared()) {
// this is a shared file or a shared (sub) folder
return true;
}
if (this instanceof FileIndex) {
// is not shared and is of type 'file'
return false;
} else {
// is of type 'folder', check all subfolders
List<Index> children = getIndexList(this);
for (Index child : children) {
if (child.isFolder()) {
FolderIndex subfolder = (FolderIndex) child;
if (subfolder.getSharedFlag()) {
return true;
}
}
}
}
// no case above matches
return false;
}
/**
* Walks recursively through the file tree and returns a preorder list
*
* @param node The root node from which the digest is started.
* @return The digest in preorder
*/
public static List<Index> getIndexList(Index node) {
List<Index> digest = new ArrayList<Index>();
// add self
digest.add(node);
// add children
if (node.isFolder()) {
FolderIndex folder = (FolderIndex) node;
for (Index child : folder.getChildren()) {
digest.addAll(getIndexList(child));
}
}
return digest;
}