com.vrem.wifianalyzer.wifi.band.WiFiChannelsGHZ5.java Source code

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Here is the source code for com.vrem.wifianalyzer.wifi.band.WiFiChannelsGHZ5.java

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/*
 * WiFiAnalyzer
 * Copyright (C) 2017  VREM Software Development <VREMSoftwareDevelopment@gmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 */

package com.vrem.wifianalyzer.wifi.band;

import android.support.annotation.NonNull;
import android.support.v4.util.Pair;

import org.apache.commons.collections4.IterableUtils;
import org.apache.commons.collections4.Predicate;
import org.apache.commons.lang3.StringUtils;

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

public class WiFiChannelsGHZ5 extends WiFiChannels {
    public static final Pair<WiFiChannel, WiFiChannel> SET1 = new Pair<>(new WiFiChannel(36, 5180),
            new WiFiChannel(64, 5320));
    public static final Pair<WiFiChannel, WiFiChannel> SET2 = new Pair<>(new WiFiChannel(100, 5500),
            new WiFiChannel(144, 5720));
    public static final Pair<WiFiChannel, WiFiChannel> SET3 = new Pair<>(new WiFiChannel(149, 5745),
            new WiFiChannel(165, 5825));
    public static final List<Pair<WiFiChannel, WiFiChannel>> SETS = Arrays.asList(SET1, SET2, SET3);
    private static final Pair<Integer, Integer> RANGE = new Pair<>(4900, 5899);

    WiFiChannelsGHZ5() {
        super(RANGE, SETS);
    }

    @Override
    public List<Pair<WiFiChannel, WiFiChannel>> getWiFiChannelPairs() {
        return new ArrayList<>(SETS);
    }

    @Override
    public Pair<WiFiChannel, WiFiChannel> getWiFiChannelPairFirst(String countryCode) {
        Pair<WiFiChannel, WiFiChannel> found = null;
        if (StringUtils.isNotBlank(countryCode)) {
            found = IterableUtils.find(getWiFiChannelPairs(), new WiFiChannelPredicate(countryCode));
        }
        return found == null ? SET1 : found;
    }

    @Override
    public List<WiFiChannel> getAvailableChannels(@NonNull String countryCode) {
        return getAvailableChannels(WiFiChannelCountry.get(countryCode).getChannelsGHZ5());
    }

    @Override
    public boolean isChannelAvailable(@NonNull String countryCode, int channel) {
        return WiFiChannelCountry.get(countryCode).isChannelAvailableGHZ5(channel);
    }

    @Override
    public WiFiChannel getWiFiChannelByFrequency(int frequency,
            @NonNull Pair<WiFiChannel, WiFiChannel> wiFiChannelPair) {
        return isInRange(frequency) ? getWiFiChannel(frequency, wiFiChannelPair) : WiFiChannel.UNKNOWN;
    }

    private class WiFiChannelPredicate implements Predicate<Pair<WiFiChannel, WiFiChannel>> {
        private final String countryCode;

        private WiFiChannelPredicate(@NonNull String countryCode) {
            this.countryCode = countryCode;
        }

        @Override
        public boolean evaluate(Pair<WiFiChannel, WiFiChannel> wiFiChannelPair) {
            return isChannelAvailable(countryCode, wiFiChannelPair.first.getChannel());
        }
    }
}