/*
This file is part of Cyclos (www.cyclos.org).
A project of the Social Trade Organisation (www.socialtrade.org).
Cyclos is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Cyclos is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Cyclos; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package nl.strohalm.cyclos.services.settings;
import java.util.List;
import java.util.Map;
import nl.strohalm.cyclos.entities.settings.Setting;
import nl.strohalm.cyclos.entities.settings.events.SettingsChangeListener;
/**
* Handles details for an specific settings type
* @author luis
*/
public interface SettingsHandler<T, L extends SettingsChangeListener> {
/**
* Adds a settings listener
*/
void addListener(L listener);
/**
* Returns the settings bean
*/
T get();
/**
* Import settings from a Map of strings, returning the new bean
*/
T importFrom(Map<String, String> values);
/**
* Returns a list of settings of the given type
*/
List<Setting> listSettings();
/**
* Reloads the settings from database
*/
void refresh();
/**
* Removes a settings listener
*/
void removeListener(L listener);
/**
* Updates the settings bean
*/
T update(T newSettings);
/**
* Validate the settings bean
*/
void validate(T settings);
}