StateInvertInfo.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.homematic.internal.converter.state;

import org.apache.commons.lang.math.NumberUtils;
import org.openhab.binding.homematic.internal.model.HmDatapoint;

/**
 * Holds device specific infos for state invertion.
 *
 * @author Gerhard Riegler
 * @since 1.5.1
 */
public class StateInvertInfo {
    private String deviceType;
    private int minChannel;
    private int maxChannel;

    /**
     * Creates a StateInvertInfo with the specified deviceType.
     */
    public StateInvertInfo(String deviceType) {
        this(deviceType, -1, -1);
    }

    /**
     * Creates a StateInvertInfo with the specified deviceType and a channel
     * range.
     */
    public StateInvertInfo(String deviceType, int minChannel, int maxChannel) {
        this.deviceType = deviceType;
        this.minChannel = minChannel;
        this.maxChannel = maxChannel;
    }

    /**
     * Validates if the state of a datapoint must be inverted.
     */
    public boolean isToInvert(HmDatapoint dp) {
        String dpDeviceType = dp.getChannel().getDevice().getType().toUpperCase();
        if (minChannel != -1) {
            int dpChannel = NumberUtils.toInt(dp.getChannel().getNumber());
            return dpDeviceType.startsWith(deviceType) && dpChannel >= minChannel && dpChannel <= maxChannel;
        } else {
            return dpDeviceType.startsWith(deviceType);
        }
    }

}