void createPlainFile(String path, Directory currentDirectory, User currentUser)
throws InvalidFileNameException, InvalidMaskException, FileAlreadyExistsException {
Directory directory = absolutePath(path, currentUser, currentDirectory);
String filename = getLastPathToken(path);
directory.checkAccessWrite(currentUser);
for (File f : directory.getFilesSet()) {
if (f.getFilename().equals(filename)) throw new FileAlreadyExistsException(filename);
}
directory.addFile(
new PlainFile(
this.generateUniqueId(), filename, currentUser.getUmask(), currentUser, directory));
}
