com.aliakseipilko.flightdutytracker.utils.AirportCodeConverter.java Source code

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Here is the source code for com.aliakseipilko.flightdutytracker.utils.AirportCodeConverter.java

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/*
 * Copyright (C) 2017 Aliaksei Pilko
 *
 * Licensed under the Apache License, Version 2.0 (the License?); you may not use this file except in compliance with the License. You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an AS IS? BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
 */

package com.aliakseipilko.flightdutytracker.utils;

import com.google.gson.Gson;
import com.google.gson.stream.JsonReader;

import android.content.Context;

import com.aliakseipilko.flightdutytracker.R;

import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

import javax.inject.Inject;

public class AirportCodeConverter {
    Gson gson;
    Context ctx;

    List<Airport> airports = new ArrayList<>();

    @Inject
    public AirportCodeConverter(Context appContext, Gson gson) {
        this.gson = gson;
        ctx = appContext;
        generateAirports();
    }

    private void generateAirports() {
        JsonReader jsonReader = new JsonReader(
                new InputStreamReader(ctx.getResources().openRawResource(R.raw.airports)));
        try {
            jsonReader.beginArray();
            while (jsonReader.hasNext()) {
                Airport airport = gson.fromJson(jsonReader, Airport.class);
                if (airport.getIATA() == null) {
                    airport.setIATA("");
                }
                if (airport.getICAO() == null) {
                    airport.setICAO("");
                }
                airports.add(airport);
            }
            jsonReader.endArray();
            jsonReader.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public String convertIATAtoICAO(String IATACode) {
        if (airports == null) {
            generateAirports();
        }
        for (Airport airport : airports) {
            if (airport.getIATA().equalsIgnoreCase(IATACode)) {
                return airport.getICAO();
            }
        }
        return null;
    }

    public String convertICAOtoIATA(String ICAOCode) {
        if (airports == null) {
            generateAirports();
        }
        for (Airport airport : airports) {
            if (airport.getICAO().equalsIgnoreCase(ICAOCode)) {
                return airport.getIATA();
            }
        }
        return null;
    }

    private class Airport {
        long UID;
        String name;
        String city;
        String country;
        String IATA;
        String ICAO;
        double latitude;
        double longitude;
        int altitude;
        float timezone;
        char DST;
        String TZDB;

        public long getUID() {
            return UID;
        }

        public void setUID(long UID) {
            this.UID = UID;
        }

        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name;
        }

        public String getCity() {
            return city;
        }

        public void setCity(String city) {
            this.city = city;
        }

        public String getCountry() {
            return country;
        }

        public void setCountry(String country) {
            this.country = country;
        }

        public String getIATA() {
            return IATA;
        }

        public void setIATA(String IATACode) {
            this.IATA = IATACode;
        }

        public String getICAO() {
            return ICAO;
        }

        public void setICAO(String ICAOCode) {
            this.ICAO = ICAOCode;
        }

        public double getLatitude() {
            return latitude;
        }

        public void setLatitude(String latitude) {
            this.latitude = Double.parseDouble(latitude);
        }

        public double getLongitude() {
            return longitude;
        }

        public void setLongitude(String longitude) {
            this.longitude = Double.parseDouble(longitude);
        }

        public int getAltitude() {
            return altitude;
        }

        public void setAltitude(String altitude) {
            this.altitude = Integer.parseInt(altitude);
        }

        public float getTimezone() {
            return timezone;
        }

        public void setTimezone(String timezone) {
            this.timezone = Float.valueOf(timezone);
        }

        public char getDST() {
            return DST;
        }

        public void setDST(char DST) {
            this.DST = DST;
        }

        public String getTZDB() {
            return TZDB;
        }

        public void setTZDB(String TZDB) {
            this.TZDB = TZDB;
        }
    }
}