src/main/java/com/benburwell/planes/data/Aircraft.java


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package com.benburwell.planes.data;

import com.benburwell.planes.sbs.SBSPacket;

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

/**
 * @author ben
 */
public class Aircraft implements Comparable<Aircraft> {
    private final String hexIdent;
    private Position currentPosition = new Position();
    private List<Position> positionHistory = new ArrayList<>();
    private String callsign = "";
    private long packetCount = 0;
    private double track;
    private double groundSpeed;
    private double verticalRate;

    public Aircraft(String hexIdent) {
        this.hexIdent = hexIdent;
    }

    public void handleUpdate(SBSPacket packet) {
        this.packetCount++;

        Position newPosition = new Position();
        newPosition.setAltitude(this.currentPosition.getAltitude());
        newPosition.setLatitude(this.currentPosition.getLatitude());
        newPosition.setLongitude(this.currentPosition.getLongitude());
        newPosition.setTimestamp(this.currentPosition.getTimestamp());

        if (packet.getAltitude() != null) {
            newPosition.setAltitude(packet.getAltitude());
            newPosition.setTimestamp(new Date(System.currentTimeMillis()));
        }
        if (packet.getLatitude() != null) {
            newPosition.setLatitude(packet.getLatitude());
            newPosition.setTimestamp(new Date(System.currentTimeMillis()));
        }
        if (packet.getLongitude() != null) {
            newPosition.setLongitude(packet.getLongitude());
            newPosition.setTimestamp(new Date(System.currentTimeMillis()));
        }
        if (packet.getCallsign() != null && !packet.getCallsign().isEmpty()) {
            this.callsign = packet.getCallsign();
        }
        if (packet.getSquawk() != null && !packet.getSquawk().isEmpty()) {
            this.callsign = packet.getSquawk();
        }
        if (packet.getTrack() != null) {
            this.track = packet.getTrack();
        }
        if (packet.getGroundSpeed() != null) {
            this.groundSpeed = packet.getGroundSpeed();
        }
        if (packet.getVerticalRate() != null) {
            this.verticalRate = packet.getVerticalRate();
        }

        if (newPosition.getTimestamp().after(this.currentPosition.getTimestamp())) {
            this.positionHistory.add(currentPosition);
            this.currentPosition = newPosition;
        }
    }

    public Position getCurrentPosition() {
        return currentPosition;
    }

    public String getCallsign() {
        return callsign;
    }

    public Long getPacketCount() {
        return packetCount;
    }

    public String getHexIdent() {
        return this.hexIdent;
    }

    public double getTrack() {
        return this.track;
    }

    public double getGroundSpeed() {
        return this.groundSpeed;
    }

    public double getVerticalRate() {
        return this.verticalRate;
    }

    public List<Position> getPositionHistory() {
        return positionHistory;
    }

    @Override
    public int compareTo(Aircraft that) {
        return this.getHexIdent().compareTo(that.getHexIdent());
    }
}