safedispatch-mobile/libSafeMobile/src/main/java/com/safemobile/lib/Position.java

package com.safemobile.lib;

import android.os.Parcel;
import android.os.Parcelable;
import androidx.annotation.NonNull;

import com.google.gson.Gson;

import org.json.JSONException;
import org.json.JSONObject;

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;

/**
 * Created by Adi on 8/11/2017.
 */

public class Position implements Parcelable, Comparable<Position>{
    // region private fields
    public double latitude;
    public double longitude;
    public Date positionTime;
    public double speed;
    public String address;
    public float accuracy;
    //endregion

    /**
     * Default constructor
     */
    public Position()
    {
        latitude = 0;
        longitude = 0;
        positionTime = new Date(0);
        speed = 0;
        address = "";
        accuracy = 0;
    }

    public Position(String json)
    {
        try {
            JSONObject posObj = new JSONObject(json);
            speed = posObj.isNull("speed")
                    ? 0 : posObj.getDouble("speed");
            latitude = posObj.isNull("latitude")
                    ? 0 : posObj.getDouble("latitude");
            longitude = posObj.isNull("longitude")
                    ? 0 : posObj.getDouble("longitude");
            address = posObj.isNull("address")
                    ? "" : posObj.getString("address");

            accuracy = posObj.isNull("accuracy")
                    ? 0 : (float) posObj.getDouble("accuracy");

            String posTime = posObj.isNull("positionTime")
                    ? "" : posObj.getString("positionTime");
            if(posTime.length() > 0)
            {
                //May 16, 2018 12:01:47
                try
                {
                    String timeFormat = "MMMMM d, yyyy HH:mm:ss";
                    DateFormat format = new SimpleDateFormat(timeFormat, Locale.ENGLISH);
                    positionTime = format.parse(posTime);
                }
                catch (ParseException e)
                {
                    String timeFormat = "MMM d, yyyy HH:mm:ss";
                    DateFormat format = new SimpleDateFormat(timeFormat, Locale.ENGLISH);
                    positionTime = format.parse(posTime);
                }
            }

        } catch (JSONException e) {
            e.printStackTrace();
            positionTime = new Date(0);
        } catch (ParseException e) {
            e.printStackTrace();
            positionTime = new Date(0);
        }

    }


    public Position(double latitude, double longitude)
    {
        this.latitude = latitude;
        this.longitude = longitude;
        positionTime = new Date(0);
        speed = 0;
        address = "";
        accuracy = 0;
    }

    /**
     * Constructor from Parcel, reads back fields IN THE ORDER they were
     * written
     */
    public Position(Parcel parcel){
        latitude = parcel.readDouble();
        longitude = parcel.readDouble();
        positionTime = new Date(parcel.readLong());
        speed = parcel.readDouble();
        address = parcel.readString();
        accuracy = parcel.readFloat();
    }


    /**
     * Method from Parcelable class, left as auto-generated
     * @return A default value
     */
    @Override
    public int describeContents() {
        return 0;
    }


    /**
     * Method to create the Parcel object from the main class that
     * will be passed when a Parcelable object is used
     * @param dest Parcel object in which all the object values will
     *             be added
     * @param flags Additional flags about how the object should be
     *              written. May be 0 or PARCELABLE_WRITE_RETURN_VALUE.
     */
    @Override
    public void writeToParcel(Parcel dest, int flags) {
        dest.writeDouble(latitude);
        dest.writeDouble(longitude);
        dest.writeLong(positionTime.getTime());
        dest.writeDouble(speed);
        dest.writeString(address);
        dest.writeFloat(accuracy);
    }

    /**
     * Static field used to regenerate object, individually or as arrays
     */
    public static final Parcelable.Creator<Position> CREATOR = new Parcelable.Creator<Position>() {
        public Position createFromParcel(Parcel in) {
            return new Position(in);
        }

        @Override
        public Position[] newArray(int size) {
            return new Position[size];
        }
    };

    /**
     * Override of the method that returns a string representation of the object which
     * contains all the useful information about the object
     * @return String representation of the object
     */
    @Override
    public String toString()
    {
        return  "Latitude: " + latitude + " | "
                + "Longitude: " + longitude + " | "
                + "Speed: " + speed + " | "
                + "PositionTime: " + (positionTime!= null ? positionTime.toString() : "null" ) + " | "
                + "Address " + (address!= null ? address.toString() : "null" )
                + "Accuracy " + accuracy;
    }

    @Override
    public int compareTo(@NonNull Position o) {
        return (latitude == o.latitude
                && longitude == o.longitude
        ) ? 0 : 1;
    }

    // Overriding equals() to compare two Complex objects
    @Override
    public boolean equals(Object o) {
        Position pos = (Position) o;

        return compareTo(pos) == 0;
    }


    // just omitted null checks
    @Override
    public int hashCode() {
        double res = latitude * longitude * 100000;
        int hash = (int)(latitude );
        hash = (int)(longitude) * hash;
        return (int)res;
    }


    public String toJson()
    {
        return new Gson().toJson(this);
    }
}