public static UserManagerImpl getInstance()
{
if (instance == null)
{
instance = new UserManagerImpl(DataPRoviderImpl.getInstance(), SecurityManagerImpl.getInstance());
}
return(instance);
}
private CommandControllerImpl()
{
dataProvider = DataPRoviderImpl.getInstance();
directoryController = DirectoryControllerImpl.getInstance();
fileController = FileControllerImpl.getInstance();
securityManager = SecurityManagerImpl.getInstance();
userManager = UserManagerImpl.getInstance();
}