public HelpCommand(SessionFactory factory) {
Registry registry = factory.getRegistry();
registry.register(this);
registry.register(new SimpleHelpProvider());
registry.register(new CommandListHelpProvider());
registry.register(new SingleCommandHelpProvider());
}
private void unregister(final Registry registry, final CommandWrapper wrapper) {
try {
registry.unregister(wrapper);
} catch (final Exception ex) {
logger.error("Cannot unregister command '{}'.", wrapper, ex);
}
}