/*
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.themes;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.List;
import nl.strohalm.cyclos.utils.validation.ValidationException;
/**
* Defines methods for managing themes
* @author luis
*/
public interface ThemeHandler {
/**
* Exports the current settings with meta-data retrieved by the given theme object. The output stream is closed after writing all data
*/
void export(Theme theme, OutputStream out);
/**
* Imports a new theme from the given file. The input stream is closed after reading all data
*/
void importNew(String fileName, InputStream in);
/**
* Lists available themes
*/
List<Theme> list();
/**
* Removes the theme with the given file name
*/
void remove(String fileName);
/**
* Selects the theme with the given file name
*/
void select(String fileName);
/**
* Checks if the given theme descriptor is valid for exporting a theme
*/
void validateForExport(Theme theme) throws ValidationException;
}