GwtWifiChannelModel.java

/*******************************************************************************
 * Copyright (c) 2011, 2016 Eurotech and/or its affiliates
 *
 * 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
 *
 * Contributors:
 *     Eurotech
 *******************************************************************************/
package org.eclipse.kura.web.shared.model;

import java.util.ArrayList;
import java.util.List;

public class GwtWifiChannelModel extends GwtBaseModel {

    private static final long serialVersionUID = -1471520645150788770L;
    private static final String BAND2400MHZ = "2.4 GHz";
    private static final int FIRST_2400MHZ_CHANNEL = 1;
    private static final int LAST_2400MHZ_CHANNEL = 13;

    public GwtWifiChannelModel() {

    }

    public GwtWifiChannelModel(String name, int channel, int frequency, String band) {

        set("name", name);
        set("channel", channel);
        set("frequency", frequency);
        set("band", band);
    }

    public String getName() {
        return (String) get("name");
    }

    public int getChannel() {
        Integer iChannel = (Integer) get("channel");
        return iChannel.intValue();
    }

    public int getFrequency() {
        Integer iFrequency = (Integer) get("frequency");
        return iFrequency.intValue();
    }

    public String getBand() {
        return get("band");
    }

    public void setBand(String band) {
        set("band", band);
    }

    public static List<GwtWifiChannelModel> getChannels() {

        List<GwtWifiChannelModel> alCannels = new ArrayList<GwtWifiChannelModel>();
        for (int i = FIRST_2400MHZ_CHANNEL; i <= LAST_2400MHZ_CHANNEL; i++) {
            alCannels.add(new GwtWifiChannelModel(formChannelName(i), i, getCannelFrequencyMHz(i), BAND2400MHZ));
        }
        return alCannels;
    }

    @Override
    public String toString() {
        return getName();
    }

    private static String formChannelName(int channel) {

        StringBuffer sb = new StringBuffer();
        sb.append("Channel ");
        sb.append(channel);
        return sb.toString();
    }

    private static int getCannelFrequencyMHz(int channel) {

        int frequency = -1;
        if (channel >= 1 && channel <= 13) {
            frequency = 2407 + channel * 5;
        }
        return frequency;
    }
}