public boolean deleteFSObject(String rawPath) {
FSObject obj = findFSObject(rawPath);
if (obj == null || !obj.isWritePermission()) {
return false;
}
return obj.delete();
}
/**
* Return the VFS object represented by the given {@code rowPath}.
*
* @param rawPath
* @return {@code null} if the object does not exist in the VFS
*/
public FSObject findFSObject(String rawPath) {
String path = new File(rawPath).getAbsolutePath();
String[] tokens = tokenize(path);
markAccessedFile(path);
VFolder parent = root;
for (int i = 0; i < tokens.length; i++) {
String name = tokens[i];
FSObject child = parent.getChild(name);
// child might not exist
if (child == null || child.isDeleted()) {
return null;
}
// we might end up with a file on the path that is not a folder
if (i < (tokens.length - 1) && !child.isFolder()) {
return null;
} else {
if (i == (tokens.length - 1)) {
return child;
}
}
parent = (VFolder) child;
}
return parent;
}
public boolean createFolder(String rawPath) {
String[] tokens = tokenize(new File(rawPath).getAbsolutePath());
VFolder parent = root;
for (String name : tokens) {
if (!parent.isReadPermission() || !parent.isWritePermission() || parent.isDeleted()) {
return false;
}
VFolder folder = null;
if (!parent.hasChild(name)) {
String path = null;
if (isUnixStyle() || !parent.isRoot()) {
path = parent.getPath() + File.separator + name;
} else {
// this means we are in Windows, and that we are considering a direct child of the root
path = name;
}
folder = new VFolder(path, parent);
} else {
FSObject child = parent.getChild(name);
if (!child.isFolder()) {
return false;
}
folder = (VFolder) child;
}
parent.addChild(folder);
parent = folder;
}
markAccessedFile(parent.getPath());
return true;
}
public boolean rename(String source, String destination) {
String parentSource = new File(source).getParent();
String parentDest = new File(destination).getParent();
if ((parentSource == null && parentDest != null) || (!parentSource.equals(parentDest))) {
// both need to be in the same folder
return false;
}
FSObject src = findFSObject(source);
if (src == null) {
// source should exist
return false;
}
FSObject dest = findFSObject(destination);
if (dest != null) {
// destination should not exist
return false;
}
return src.rename(destination);
}
