LightwaveRfVersionMessage.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.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.StringType;
import org.openhab.core.types.State;

/**
 * @author Neil Renaud
 * @since 1.7.0
 */
public class LightwaveRfVersionMessage extends AbstractLightwaveRfCommand implements LightwaveRFCommand {

    private static final Pattern REG_EXP = Pattern.compile(".*?(\\d{1,3}).*V=\"(.*)\"\\s*");

    private final LightwaveRfMessageId messageId;
    private final String version;

    public LightwaveRfVersionMessage(String message) throws LightwaveRfMessageException {
        try {
            Matcher m = REG_EXP.matcher(message);
            m.matches();
            this.messageId = new LightwaveRfGeneralMessageId(Integer.valueOf(m.group(1)));
            this.version = m.group(2);
        } catch (Exception e) {
            throw new LightwaveRfMessageException("Error decoding message: " + message, e);
        }
    }

    @Override
    public String getLightwaveRfCommandString() {
        return getVersionString(messageId, version);
    }

    @Override
    public State getState(LightwaveRfType type) {
        switch (type) {
            case VERSION:
                return StringType.valueOf(version);
            default:
                return null;
        }
    }

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

    public static boolean matches(String message) {
        return message.contains("?V=");
    }

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

}