Thermostat.java

/**
 * Copyright (c) 2010-2016 by the respective copyright holders.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 */
package org.openhab.binding.omnilink.internal.model;

import org.openhab.binding.omnilink.internal.OmniLinkBindingConfig;
import org.openhab.core.events.EventPublisher;
import org.openhab.core.items.Item;
import org.openhab.core.library.items.NumberItem;
import org.openhab.core.library.items.StringItem;
import org.openhab.core.library.items.SwitchItem;
import org.openhab.core.library.types.DecimalType;
import org.openhab.core.library.types.OnOffType;
import org.openhab.core.library.types.StringType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.digitaldan.jomnilinkII.MessageUtils;
import com.digitaldan.jomnilinkII.MessageTypes.properties.ThermostatProperties;

/**
 * Basic thermostat
 *
 * @author Dan Cunningham
 * @since 1.5.0
 */
public class Thermostat extends OmnilinkDevice {

    private static final Logger logger = LoggerFactory.getLogger(Thermostat.class);
    private ThermostatProperties properties;
    private boolean celsius;
    private static String[] MODES = { "Off", "Heat", "Cool", "Auto", "Emergency" };

    public Thermostat(ThermostatProperties properties, boolean celsius) {
        this.properties = properties;
        this.celsius = celsius;
    }

    @Override
    public ThermostatProperties getProperties() {
        return properties;
    }

    public void setProperties(ThermostatProperties properties) {
        this.properties = properties;
    }

    /**
     * Returns the users preferred measurement type.
     * 
     * @return
     */
    public boolean isCelsius() {
        return celsius;
    }

    /**
     * Sets the users preferred measurement type.
     * 
     * @param celsius
     */
    public void setCelsius(boolean celsius) {
        this.celsius = celsius;
    }

    @Override
    public void updateItem(Item item, OmniLinkBindingConfig config, EventPublisher publisher) {
        int setting = 0;
        String mode = null;
        switch (config.getObjectType()) {
            case THERMO_COOL_POINT:
                setting = celsius ? MessageUtils.omniToC(properties.getCoolSetpoint())
                        : MessageUtils.omniToF(properties.getCoolSetpoint());
                break;
            case THERMO_TEMP:
                setting = celsius ? MessageUtils.omniToC(properties.getTemperature())
                        : MessageUtils.omniToF(properties.getTemperature());
                break;
            case THERMO_HEAT_POINT:
                setting = celsius ? MessageUtils.omniToC(properties.getHeatSetpoint())
                        : MessageUtils.omniToF(properties.getHeatSetpoint());
                break;
            case THERMO_FAN_MODE:
                setting = properties.isFan() ? 1 : 0;
                break;
            case THERMO_HOLD_MODE:
                setting = properties.isHold() ? 1 : 0;
                break;
            case THERMO_SYSTEM_MODE:
                setting = properties.getMode();
                if (setting < MODES.length) {
                    mode = MODES[setting];
                }
                break;
            default:
                return;
        }
        logger.debug("updating item {} for type {} to {}", item.getName(), config.getObjectType(), setting);
        if (item instanceof NumberItem) {
            publisher.postUpdate(item.getName(), new DecimalType(setting));
        } else if (item instanceof SwitchItem) {
            publisher.postUpdate(item.getName(), setting > 0 ? OnOffType.ON : OnOffType.OFF);

        } else if (item instanceof StringItem && mode != null) {
            publisher.postUpdate(item.getName(), new StringType(mode));
        }
    }

    public static int getModeForString(String modeString) {
        for (int i = 0; i < MODES.length; i++) {
            if (modeString.equalsIgnoreCase(MODES[i])) {
                return i;
            }
        }
        return -1;
    }
}