SettingsFactory.java

/**
 *  C-Nery - A home automation web application for C-Bus.
 *  Copyright (C) 2008,2009,2012  Dave Oxley <dave@daveoxley.co.uk>.
 *
 *  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 com.daveoxley.cnery.factories;

import com.daveoxley.cnery.dao.SettingDAO;
import com.daveoxley.cnery.entities.Setting;
import java.io.Serializable;
import org.jboss.seam.ScopeType;
import org.jboss.seam.annotations.Factory;
import org.jboss.seam.annotations.In;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Observer;
import org.jboss.seam.annotations.Transactional;
import org.jboss.seam.contexts.Contexts;
import uk.me.jstott.coordconv.LatitudeLongitude;

/**
 *
 * @author Dave Oxley <dave@daveoxley.co.uk>
 */
@Name("settingsFactory")
public class SettingsFactory implements Serializable {

    @In
    private SettingDAO settingDAO;

    @Factory(value="position",autoCreate=true,scope=ScopeType.APPLICATION)
    @Transactional
    public LatitudeLongitude createPosition() {
        // Default to somewhere interesting ;)
        double latitude = -37.82;
        double longitude = 144.9835;

        Setting latitudeSetting = settingDAO.findSettingByName("latitude");
        if (latitudeSetting != null)
            latitude = Double.parseDouble(latitudeSetting.getValue());

        Setting longitudeSetting = settingDAO.findSettingByName("longitude");
        if (longitudeSetting != null)
            longitude = Double.parseDouble(longitudeSetting.getValue());

        return new LatitudeLongitude(latitude, longitude);
    }

    @Factory(value="gpsRadius",autoCreate=true,scope=ScopeType.APPLICATION)
    @Transactional
    public Integer createGPSRadius() {
        int gpsRadius = 500;

        Setting gpsRadiusSetting = settingDAO.findSettingByName("gps_radius");
        if (gpsRadiusSetting != null)
            return Integer.parseInt(gpsRadiusSetting.getValue());

        return gpsRadius;
    }

    @Factory(value="skinName",autoCreate=true,scope=ScopeType.APPLICATION)
    @Transactional
    public String createSkinName() {
        String skinName = "classic";

        Setting skinNameSetting = settingDAO.findSettingByName("skin_name");
        if (skinNameSetting != null)
            skinName = skinNameSetting.getValue();

        return skinName;
    }

    @Observer("invalidateSettings")
    public void removeSkinName() {
        Contexts.getApplicationContext().remove("position");
        Contexts.getApplicationContext().remove("gpsRadius");
        Contexts.getApplicationContext().remove("skinName");
    }
}