Ipx800PortType.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.ipx800.internal.command;

import org.openhab.core.items.Item;
import org.openhab.core.library.items.NumberItem;
import org.openhab.core.library.items.SwitchItem;

/**
 * Type of a ipx800 port
 * 
 * @author Seebag
 * @since 1.8.0
 *
 */
public enum Ipx800PortType {
    OUPUT("O", 8, 32, SwitchItem.class),
    INPUT("I", 8, 32, SwitchItem.class),
    COUNTER("C", 8, 8, NumberItem.class),
    ANALOG("A", 4, 16, NumberItem.class);
    private String prefix;
    private int maxSlots;
    private int portPerDevice;

    Ipx800PortType(String prefix, int portPerDevice, int maxSlots, Class<? extends Item> itemClass) {
        this.prefix = prefix;
        this.portPerDevice = portPerDevice;
        this.maxSlots = maxSlots;
    }

    public String getPrefix() {
        return prefix;
    }

    public void assertSlotCompatible(int slotNumber) {
        if (slotNumber > maxSlots || slotNumber <= 0) {
            // throw new Exception("slotNumber is incompatible with this commandType");
        }
    }

    public static Ipx800PortType getSlotByPrefix(String prefix) {
        for (Ipx800PortType slot : Ipx800PortType.values()) {
            if (slot.prefix.equals(prefix)) {
                return slot;
            }
        } // Throw unknown slot
        return null;
    }

    public int getPortPerDevice() {
        return portPerDevice;
    }

    public int getMaxSlots() {
        return maxSlots;
    }
}