FS20Command.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.fs20.internal;

import java.util.LinkedHashMap;
import java.util.Map;

/**
 * This class represents possible commands send or received via RF.
 * 
 * @author Till Klocke
 * @since 1.4.0
 */
public enum FS20Command {

    OFF("00"),
    DIM_1("01"),
    DIM_2("02"),
    DIM_3("03"),
    DIM_4("04"),
    DIM_5("05"),
    DIM_6("06"),
    DIM_7("07"),
    DIM_8("08"),
    DIM_9("09"),
    DIM_10("0A"),
    DIM_11("0B"),
    DIM_12("0C"),
    DIM_13("0D"),
    DIM_14("0E"),
    DIM_15("0F"),
    ON("10"),
    DIM_UP("13"),
    DIM_DOWN("14"),
    DIM_UP_DOWN("15"),
    RESET("1B"),
    UNKNOWN(null),
    ON_OLD_DIM_VALUE("11"),
    TOGGLE("12");
    // TODO add the other values with extension bit set
    // http://fhz4linux.info/tiki-index.php?page=FS20+Protocol
    private final static Map<String, FS20Command> hexValueToCommand = new LinkedHashMap<String, FS20Command>();

    static {
        for (FS20Command c : FS20Command.values()) {
            String upperHexValue = c.getHexValue() == null ? null : c.getHexValue().toUpperCase();
            hexValueToCommand.put(upperHexValue, c);
        }
    }

    private String hexValue;

    private FS20Command(String hexValue) {
        this.hexValue = hexValue;
    }

    public String getHexValue() {
        return hexValue;
    }

    public static FS20Command getFromHexValue(String hexValue) {
        if (hexValue == null) {
            return UNKNOWN;
        }
        FS20Command command = hexValueToCommand.get(hexValue.toUpperCase());
        return command != null ? command : UNKNOWN;
    }
}