FLSParser.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.intertechno.internal.parser;

import org.openhab.model.item.binding.BindingConfigParseException;

/**
 * This parser is able to parse the configs for "FLS" Intertechno devices, like
 * the ones sold at Conrad.
 *
 * @author Till Klocke
 * @since 1.4.0
 */
public class FLSParser extends AbstractIntertechnoParser {

    @Override
    public String parseAddress(String... addressParts) throws BindingConfigParseException {
        String group = addressParts[0];
        int subAddress = 0;
        try {
            subAddress = Integer.parseInt(addressParts[1]);
        } catch (NumberFormatException e) {
            throw new BindingConfigParseException(
                    "Sub address is not a number. Configured subaddress: " + addressParts[1]);
        }
        return getGroupAddress(group) + getSubAddress(subAddress) + "00";
    }

    private String getGroupAddress(String group) throws BindingConfigParseException {
        StringBuffer addressBuffer = new StringBuffer(4);
        addressBuffer.append("FFFF");
        if ("I".equalsIgnoreCase(group)) {
            addressBuffer.setCharAt(0, '0');

        } else if ("II".equalsIgnoreCase(group)) {
            addressBuffer.setCharAt(1, '0');
        } else if ("III".equalsIgnoreCase(group)) {
            addressBuffer.setCharAt(2, '0');
        } else if ("IV".equalsIgnoreCase(group)) {
            addressBuffer.setCharAt(3, '0');
        } else {
            throw new BindingConfigParseException("Unknown roman number given: " + group);
        }
        return addressBuffer.toString();
    }

    private String getSubAddress(int remoteId) throws BindingConfigParseException {
        if (remoteId < 1 || remoteId > 4) {
            throw new BindingConfigParseException("Only remote addresses in the range 1 - 4 are supported");
        }
        StringBuffer buffer = new StringBuffer(4);
        buffer.append("FFFF");
        buffer.setCharAt(remoteId - 1, '0');
        return buffer.toString();
    }

    @Override
    public String getCommandValueON() {
        return "FF";
    }

    @Override
    public String getCOmmandValueOFF() {
        return "F0";
    }

}