BenqProjectorSourceMapping.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.benqprojector.internal;

/**
 * Define mapping between response string and DecimalType for projector sources
 *
 * @author Paul Hampson (cyclingengineer)
 * @since 1.6.0
 */
public enum BenqProjectorSourceMapping {
    COMPUTER("RGB", 0),
    COMPUTER2("RGB2", 1),
    COMPONENT("ypbr", 2),
    DVIA("dviA", 3),
    DVID("dvid", 4),
    HDMI("hdmi", 5),
    HDMI2("hdmi2", 6),
    COMPOSITE("vid", 7),
    SVIDEO("svid", 8),
    NETWORK("network", 9),
    USB_DISPLAY("usbdisplay", 10),
    USB_READER("usbreader", 11);

    private final String commandString;
    private final int index;

    BenqProjectorSourceMapping(String str, int value) {
        this.commandString = str;
        this.index = value;
    }

    /**
     * Convert string representation of source to integer
     * 
     * @param s
     *            String representation (e.g. hdmi2)
     * @return Numerical mapping of source
     */
    public static int getMappingFromString(String s) {
        for (BenqProjectorSourceMapping mapping : BenqProjectorSourceMapping.values()) {
            if (mapping.commandString.equalsIgnoreCase(s)) {
                return mapping.index;
            }
        }
        return -1;
    }

    /**
     * Convert integer mapping to string
     * 
     * @param idx
     * @return String representation of source
     */
    public static String getStringFromMapping(int idx) {
        if (idx >= 0 && idx < BenqProjectorSourceMapping.values().length) {
            return BenqProjectorSourceMapping.values()[idx].commandString;
        } else {
            return "";
        }
    }

}