FlightDataHandler.java

package org.yamcs.simulator.launchland;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.Vector;

import org.yamcs.simulator.CCSDSPacket;

class FlightDataHandler {
	private final static String csvName = "test_data/Flight parameters.csv";

	private Vector<FlightData> entries;
    private int currentEntry = 0;

	public FlightDataHandler() {
		entries = new Vector<>(1000, 500);
		try (BufferedReader in = new BufferedReader(new FileReader(csvName))) {
			String line;
			in.readLine(); // skip column titles

			while ((line = in.readLine()) != null) {
				line = line.replace(',', '.'); // compatible to decimals with comma (e.g. 1,23)
				String[] parts = line.split(";");
				FlightData entry = new FlightData();

				// old "FlightData.csv"

//				entry.timestamp = new Float(parts[0]).floatValue();
//				entry.latitude = new Double(parts[1]).doubleValue();
//				entry.longitude = new Double(parts[2]).doubleValue();
//				entry.altitude = new Double(parts[3]).doubleValue();
//				entry.heading = new Float(parts[4]).floatValue();
//				entry.groundSpeed = new Float(parts[9]).floatValue();
//				entry.mach = new Float(parts[10]).floatValue();
//				entry.verticalSpeed = new Float(parts[14]).floatValue();
//				entry.phi = new Float(parts[15]).floatValue();
//				entry.theta = new Float(parts[16]).floatValue();
//				entry.psi = new Float(parts[17]).floatValue();

				// new "Datasheet_test_data.csv"

				entry.timestamp = new Double(parts[0]).doubleValue();
				entry.longitude = new Double(parts[1]).doubleValue();
				entry.latitude = new Double(parts[2]).doubleValue();
				entry.altitude = new Double(parts[3]).doubleValue();
				entry.heading = new Float(parts[4]).floatValue();
				entry.alpha = new Float(parts[5]).floatValue();
				entry.beta = new Float(parts[6]).floatValue();
				entry.tas = new Float(parts[7]).floatValue();
				entry.cas = new Float(parts[8]).floatValue();
				entry.mach = new Float(parts[9]).floatValue();
				entry.loadFactor = new Float(parts[10]).floatValue();
				entry.sinkRate = new Float(parts[11]).floatValue();
				entry.phi = new Float(parts[12]).floatValue();
				entry.theta = new Float(parts[13]).floatValue();
				entry.psi = new Float(parts[14]).floatValue();

				entries.add(entry);
			}
		} catch (IOException e) {
			System.out.println(e);
		}
		System.out.println("have "+entries.size()+" flight data records");
	}
	
    public void fillPacket(CCSDSPacket packet) {
        if (entries.isEmpty())
            return;

        for (int i = 0; i < 1; ++i) {
            if (currentEntry >= entries.size()) {
                currentEntry = 0;
            }

            FlightData entry = entries.elementAt(currentEntry++);
            entry.fillPacket(packet, i * 60);
        }
    }
}