@Override
public void removeUsers(User user) {
if (user.isRoot() || user.isGuest()) {
throw new IllegalRemovalException("You can't remove " + user.getName());
} else {
super.removeUsers(user);
}
}
protected void removeUsers(String username) throws IllegalRemovalException, UserUnknownException {
hasUser(username);
if (username.equals(ROOT_USER)) throw new IllegalRemovalException(username);
else {
User toRemove = getUserByUsername(username);
toRemove.remove();
super.removeUsers(toRemove);
}
}
@Override
public void addUsers(User user) throws UserAlreadyExistsException, PasswordIsTooWeakException {
try {
hasUser(user.getUsername());
} catch (UserUnknownException e) {
super.addUsers(user);
return;
}
throw new UserAlreadyExistsException(user.getUsername());
}
public FileSystem(MyDriveManager mdm) {
super();
setMyDriveManager(mdm);
super.setIdSeed(0);
Root root = new Root();
this.addUsers(root);
try {
super.setFsRoot(
new Directory(this.generateUniqueId(), PATH_DELIM, root.getUmask(), root, this));
} catch (InvalidFileNameException | InvalidMaskException e) {
/* This exception should not occur it only exists to protect the method against
* bad programming
*/
log.trace(e.getMessage());
e.printStackTrace();
}
Directory home = new Directory(generateUniqueId(), HOME_DIR, root.getUmask(), root, getSlash());
addToSlash(home);
Directory rootHomeDirectory =
new Directory(generateUniqueId(), root.getUsername(), root.getUmask(), root, home);
home.addFile(rootHomeDirectory);
root.setHomeDirectory((Directory) home.getFileByName(ROOT_USER));
Guest guest = new Guest();
Directory guestHomeDirectory =
new Directory(generateUniqueId(), guest.getUsername(), guest.getUmask(), guest, home);
home.addFile(guestHomeDirectory);
guest.setHomeDirectory((Directory) home.getFileByName(GUEST_USER));
addUsers(guest);
}
public void addUsers(String username)
throws UserAlreadyExistsException, InvalidUsernameException, PasswordIsTooWeakException {
try {
hasUser(username);
} catch (UserUnknownException e) {
User toCreate = new User(username, this);
Directory homeDirectory =
new Directory(
this.generateUniqueId(), username, toCreate.getUmask(), toCreate, getHomeDirectory());
this.addDirectoryToHome(homeDirectory);
toCreate.setHomeDirectory(homeDirectory);
super.addUsers(toCreate);
return;
}
throw new UserAlreadyExistsException(username);
}
private void xmlImportUser(List<Element> user)
throws ImportDocumentException, PasswordIsTooWeakException {
for (Element node : user) {
String username = node.getAttributeValue("username");
User toInsert;
try {
this.getUserByUsername(username);
} catch (UserAlreadyExistsException e) {
e.getMessage();
throw new ImportDocumentException();
} catch (UserUnknownException e) {
toInsert = new User(username, this);
if (node.getChild("password") != null)
toInsert.setPassword(node.getChild("password").getValue());
if (node.getChild("name") != null) toInsert.setName(node.getChild("name").getValue());
if (node.getChild("mask") != null) toInsert.setUmask(node.getChild("mask").getValue());
if (node.getChild("home") != null) {
String[] tokens = node.getChild("home").getValue().split(PATH_DELIM);
toInsert.setHomeDirectory(
createDir(
createPath(node.getChild("home").getValue()),
tokens[tokens.length - 1],
toInsert));
} else {
Directory homeDirectory =
new Directory(
this.generateUniqueId(),
username,
toInsert.getUmask(),
toInsert,
getHomeDirectory());
toInsert.setHomeDirectory(homeDirectory);
this.addDirectoryToHome(homeDirectory);
}
super.addUsers(toInsert);
}
}
}
@Override
public void setMyDriveManager(MyDriveManager mngr) {
if (mngr == null) {
super.setMyDriveManager(null);
} else mngr.setFilesystem(this);
}
private void addToSlash(File file) {
super.getFsRoot().addFile(file);
}
/* Uniques Ids */
private int generateUniqueId() {
Integer idSeed = super.getIdSeed();
super.setIdSeed(++idSeed);
return idSeed;
}