li.klass.fhem.service.DeviceConfigurationProvider.java Source code

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Here is the source code for li.klass.fhem.service.DeviceConfigurationProvider.java

Source

/*
 * AndFHEM - Open Source Android application to control a FHEM home automation
 * server.
 *
 * Copyright (c) 2011, Matthias Klass or third-party contributors as
 * indicated by the @author tags or express copyright attribution
 * statements applied by the authors.  All third-party contributions are
 * distributed under license by Red Hat Inc.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU GENERAL PUBLIC LICENSE, as published by the Free Software Foundation.
 *
 * 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 GENERAL PUBLIC LICENSE
 * for more details.
 *
 * You should have received a copy of the GNU GENERAL PUBLIC LICENSE
 * along with this distribution; if not, write to:
 *   Free Software Foundation, Inc.
 *   51 Franklin Street, Fifth Floor
 *   Boston, MA  02110-1301  USA
 */

package li.klass.fhem.service;

import com.google.common.base.Charsets;
import com.google.common.base.Optional;
import com.google.common.io.Resources;

import org.json.JSONObject;

import javax.inject.Inject;
import javax.inject.Singleton;

import li.klass.fhem.service.room.xmllist.XmlListDevice;

@Singleton
public class DeviceConfigurationProvider {
    private final JSONObject options;

    @Inject
    public DeviceConfigurationProvider() {
        try {
            options = new JSONObject(Resources.toString(
                    Resources.getResource(DeviceConfigurationProvider.class, "deviceConfiguration.json"),
                    Charsets.UTF_8));
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    public Optional<JSONObject> configurationFor(XmlListDevice device) {
        JSONObject deviceConfig = options.optJSONObject(device.getType());

        return deviceConfig == null ? Optional.<JSONObject>absent() : Optional.of(deviceConfig);
    }
}