fabianArbeit
eed441343c
- use objects and inheritance - enabled combined version for drinking and loading bar without impacting any of them
66 lines
2.7 KiB
Java
66 lines
2.7 KiB
Java
package de.szimnau;
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import de.szimnau.tools.CommonTools;
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import de.szimnau.tools.FormatTools;
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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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import java.io.IOException;
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import java.math.BigDecimal;
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import java.nio.charset.StandardCharsets;
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import java.text.DecimalFormat;
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import java.time.LocalTime;
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import java.time.temporal.ChronoUnit;
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import static de.szimnau.tools.CommonTools.print;
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public class DrinkingBar extends AbstractLoadingBar {
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private static final int MINS_PER_HALF_HOUR = CommonTools.MINS_PER_HOUR / 2;
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private static final int MINUTES_BEFORE_PAUSE = 4 * CommonTools.MINS_PER_HOUR + MINS_PER_HALF_HOUR;
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private static final int MINUTES_WITH_PAUSE = 6 * CommonTools.MINS_PER_HOUR;
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private static final DecimalFormat LITER_FORMAT = new DecimalFormat("0.00");
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protected DrinkingBar(LocalTime startTime) {
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super(startTime, 8 * CommonTools.MINS_PER_HOUR + MINS_PER_HALF_HOUR);
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}
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public static void main(String[] args) throws IOException {
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var br = new BufferedReader(new InputStreamReader(System.in, StandardCharsets.UTF_8));
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print("Ankunftszeit: ");
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var startTime = LocalTime.parse(br.readLine(), FormatTools.TIME_FORMATTER).truncatedTo(ChronoUnit.MINUTES);
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long totalMinutes = 8 * CommonTools.MINS_PER_HOUR + MINS_PER_HALF_HOUR;
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var db = new DrinkingBar(startTime);
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db.showLoadingBar();
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}
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@Override
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protected String fillLoadingBar(long passedMinutes, boolean progressive) {
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long effectivePassedMinutes = passedMinutes;
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if (passedMinutes > MINUTES_BEFORE_PAUSE && passedMinutes <= MINUTES_WITH_PAUSE) {
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effectivePassedMinutes = MINUTES_BEFORE_PAUSE;
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}
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double currentLitres = 2.0 / getTotalMinutes() * effectivePassedMinutes + 0.25;
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double printedLitres = currentLitres - (currentLitres % 0.25);
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double currentProgressToNextStep = 100 / 0.25 * (currentLitres - printedLitres);
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BigDecimal minutesToNextStep = getMinutesToNextStep(currentLitres);
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String progressivePart = progressive ? "\r" : "";
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return progressivePart + "Aktuelles Volumen: " + LITER_FORMAT.format(printedLitres) + "L - "
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+ FormatTools.PERCENTAGE_FORMAT.format(currentProgressToNextStep) + "% - "
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+ FormatTools.minutesToTimeString(minutesToNextStep);
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}
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private BigDecimal getMinutesToNextStep(double currentLitres) {
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// berechne Liter benötigt bis zum nächsten 0.25er Schritt
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double litresToNextStep = 0.25 - (currentLitres % 0.25);
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// berechne Minuten benötigt für 1 Liter
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double minutesPerLitre = getTotalMinutes() / 2.0;
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// berechne Minuten benötigt bis zum nächsten 0.25er Schritt
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return BigDecimal.valueOf((minutesPerLitre * litresToNextStep) + 1);
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}
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}
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