DHSHandler.java

package org.yamcs.simulator.launchland;

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

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.yamcs.simulator.CCSDSPacket;

class DHSHandler {
    final static String csvName = "test_data/DHS.csv";
    private static final Logger log = LoggerFactory.getLogger(DHSHandler.class);

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

    DHSHandler() {
        entries = new Vector<>(100, 100);
        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(";");
                DHSData entry = new DHSData();

                entry.timestamp = new Float(parts[0]).floatValue();
                entry.primBusVoltage1 = new Float(parts[1]).floatValue();
                entry.primBusCurrent1 = new Float(parts[2]).floatValue();
                entry.primBusVoltage2 = new Float(parts[3]).floatValue();
                entry.primBusCurrent2 = new Float(parts[4]).floatValue();
                entry.secBusVoltage2 = new Float(parts[5]).floatValue();
                entry.secBusCurrent2 = new Float(parts[6]).floatValue();
                entry.secBusVoltage3 = new Float(parts[7]).floatValue();
                entry.secBusCurrent3 = new Float(parts[8]).floatValue();

                entries.add(entry);
            }
        } catch (IOException e) {
            System.out.println(e);
        }
        log.info("have " + entries.size() + " DHS data records");
    }

    public void fillPacket(CCSDSPacket packet) {
        if (entries.isEmpty())
            return;

        if (currentEntry >= entries.size()) {
            currentEntry = 0;
        }

        DHSData entry = entries.elementAt(currentEntry++);
        entry.fillPacket(packet, 0);
    }
}