LightwaveRfOnOffCommand.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.lightwaverf.internal.command;

import java.util.Objects;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.openhab.binding.lightwaverf.internal.AbstractLightwaveRfCommand;
import org.openhab.binding.lightwaverf.internal.LightwaveRfType;
import org.openhab.binding.lightwaverf.internal.exception.LightwaveRfMessageException;
import org.openhab.binding.lightwaverf.internal.message.LightwaveRfGeneralMessageId;
import org.openhab.binding.lightwaverf.internal.message.LightwaveRfMessageId;
import org.openhab.core.library.types.OnOffType;
import org.openhab.core.library.types.PercentType;
import org.openhab.core.types.State;

/**
 * Represents LightwaveRf On/Off commands. On the LAN commands look like:
 * 100,!R2D3F0 (Off) 101,!R2D3F1 (On)
 *
 * @author Neil Renaud
 * @since 1.7.0
 */
public class LightwaveRfOnOffCommand extends AbstractLightwaveRfCommand implements LightwaveRfRoomDeviceMessage {

    private static final Pattern REG_EXP = Pattern.compile(".*?(\\d{1,3}),!R(\\d)D(\\d)F([0,1]).*\\s*");
    private static final String ON_FUNCTION = "1";
    private static final String OFF_FUNCTION = "0";

    private final LightwaveRfMessageId messageId;
    private final String roomId;
    private final String deviceId;
    private final boolean on;

    public LightwaveRfOnOffCommand(int messageId, String roomId, String deviceId, boolean on) {
        this.messageId = new LightwaveRfGeneralMessageId(messageId);
        this.roomId = roomId;
        this.deviceId = deviceId;
        this.on = on;
    }

    public LightwaveRfOnOffCommand(String message) throws LightwaveRfMessageException {
        try {
            Matcher matcher = REG_EXP.matcher(message);
            matcher.matches();
            this.messageId = new LightwaveRfGeneralMessageId(Integer.valueOf(matcher.group(1)));
            this.roomId = matcher.group(2);
            this.deviceId = matcher.group(3);
            String function = matcher.group(4);
            if (ON_FUNCTION.equals(function)) {
                on = true;
            } else if (OFF_FUNCTION.equals(function)) {
                on = false;
            } else {
                throw new LightwaveRfMessageException(
                        "Received Message has invalid function[" + function + "]: " + message);
            }
        } catch (Exception e) {
            throw new LightwaveRfMessageException("Error converting message: " + message, e);
        }
    }

    @Override
    public String getLightwaveRfCommandString() {
        String function = on ? "1" : "0";
        return getMessageString(messageId, roomId, deviceId, function);
    }

    @Override
    public String getRoomId() {
        return roomId;
    }

    @Override
    public String getDeviceId() {
        return deviceId;
    }

    @Override
    public State getState(LightwaveRfType type) {
        switch (type) {
            case DIMMER:
                return on ? PercentType.HUNDRED : OnOffType.OFF;
            case SWITCH:
                return on ? OnOffType.ON : OnOffType.OFF;
            default:
                return null;
        }
    }

    @Override
    public LightwaveRfMessageId getMessageId() {
        return messageId;
    }

    @Override
    public boolean equals(Object that) {
        if (that instanceof LightwaveRfOnOffCommand) {
            return Objects.equals(this.messageId, ((LightwaveRfOnOffCommand) that).messageId)
                    && Objects.equals(this.roomId, ((LightwaveRfOnOffCommand) that).roomId)
                    && Objects.equals(this.deviceId, ((LightwaveRfOnOffCommand) that).deviceId)
                    && Objects.equals(this.on, ((LightwaveRfOnOffCommand) that).on);
        }
        return false;
    }

    @Override
    public int hashCode() {
        return Objects.hash(messageId, roomId, deviceId, on);
    }

    @Override
    public LightwaveRfMessageType getMessageType() {
        return LightwaveRfMessageType.ROOM_DEVICE;
    }

    public static boolean matches(String message) {
        return message.contains("F0") || message.contains("F1");
    }

}