/*
 * This file is part of LibrePlan
 *
 * Copyright (C) 2009-2010 Fundación para o Fomento da Calidade Industrial e
 *                         Desenvolvemento Tecnolóxico de Galicia
 * Copyright (C) 2010-2011 Igalia, S.L.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.libreplan.web.common.converters;

import org.libreplan.business.common.exceptions.InstanceNotFoundException;
import org.libreplan.business.resources.daos.IResourceDAO;
import org.libreplan.business.resources.entities.Resource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Transactional;

/**
 * A {@link IConverter} for {@link Resource} <br />
 * @author Óscar González Fernández <ogonzalez@igalia.com>
 */
@Component
@Scope(BeanDefinition.SCOPE_SINGLETON)
public class ResourceConverter implements IConverter<Resource> {

    @Autowired
    private IResourceDAO resourceDAO;

    @Override
    @Transactional(readOnly = true)
    public Resource asObject(String stringRepresentation) {
        try {
            return resourceDAO.findByCode(stringRepresentation);
        } catch (InstanceNotFoundException e) {
            throw new RuntimeException(e);
        }
    }

    @Override
    public String asString(Resource entity) {
        return entity.getCode();
    }

    @Override
    public Class<Resource> getType() {
        return Resource.class;
    }

    @Override
    public String asStringUngeneric(Object entity) {
        return asString(getType().cast(entity));
    }

}