CommandType.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.sagercaster.internal;

import org.apache.commons.lang.StringUtils;

/**
 * Represents all valid commands which could be processed by this binding
 *
 * @author Gaël L'hopital
 * @since 1.7.0
 */
public enum CommandType {

    // The items holding these keywords are used as input
    // for the SagerCaster algorithm
    WINDBEARING("windbearing"),
    SEALEVELPRESSURE("sealevelpressure"),
    CLOUDLEVEL("cloudlevel"),
    RAINING("raining"),
    WINDSPEED("windspeed"),

    // Direct derived elements from input items
    COMPASS("compass"),
    WINDTREND("windtrend"),
    PRESSURETREND("pressuretrend"),

    // Result parts of the Sager Caster Algorithm
    FORECAST("forecast"),
    VELOCITY("velocity"),
    WINDFROM("windfrom"),
    WINDTO("windto");

    String command;

    private CommandType(String command) {
        this.command = command;
    }

    public String getCommand() {
        return command;
    }

    public static CommandType fromString(String command) {
        if (!StringUtils.isEmpty(command)) {
            for (CommandType commandType : CommandType.values()) {
                if (commandType.getCommand().equals(command)) {
                    return commandType;
                }
            }
        }

        throw new IllegalArgumentException("Invalid Command Type: " + command);
    }
}