103 lines
3.1 KiB
Java
103 lines
3.1 KiB
Java
package de.szimnau;
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import de.szimnau.tools.FormatTools;
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import java.time.LocalTime;
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import java.util.*;
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import static de.szimnau.tools.CommonTools.println;
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public class SimpleLoadingBar extends AbstractProgressBar {
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private final String title;
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private SimpleLoadingBar(LocalTime startTime, LocalTime endTime, String title) {
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super(startTime, endTime);
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this.title = initTitle(title);
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}
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public static void main(String[] args) {
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if (args.length > 0 && Objects.equals(args[0], "--help")) {
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printHelp();
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return;
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}
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verifyMinimumNumberOfArgs(args);
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String nextArg = args[0];
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verifyTimeFormat(nextArg, "Erstes Argument");
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var firstTime = LocalTime.parse(nextArg, FormatTools.TIME_FORMATTER);
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LocalTime startTime;
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String title = "";
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LocalTime endTime = null;
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if (args.length > 1) {
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nextArg = args[1];
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if ("-msg".equals(nextArg)) {
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title = args.length > 2 ? args[2] : title;
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} else {
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verifyTimeFormat(nextArg, "Zweites Argument");
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endTime = LocalTime.parse(nextArg, FormatTools.TIME_FORMATTER);
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}
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}
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if (endTime == null) {
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startTime = LocalTime.now();
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endTime = firstTime;
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} else {
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startTime = firstTime;
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}
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if (args.length == 2 || !title.isBlank()) {
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new SimpleLoadingBar(startTime, endTime, title).showLoadingBar();
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return;
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}
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// if there are 3 arguments, the third will be discarded.
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boolean hasTitleArg = args.length > 3 && "-msg".equals(args[2]);
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title = hasTitleArg ? args[3] : title;
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new SimpleLoadingBar(startTime, endTime, title).showLoadingBar();
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}
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private static void printHelp() {
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println("Mögliche Argumente für LoadingBar:\n"
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+ "Startzeit, Endzeit, Endnachricht (Optional)\n"
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+ FormatTools.TIME_FORMAT + " " + FormatTools.TIME_FORMAT + " -msg <Nachricht>\n"
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+ "Endzeit (Startzeit = jetzt), Endnachricht (Optional)\n"
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+ FormatTools.TIME_FORMAT + " -msg <Nachricht>\n"
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);
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}
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private static void verifyMinimumNumberOfArgs(String[] args) {
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if (args.length >= 1) {
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return;
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}
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println("Mindestens 1 Argument muss gegeben sein.");
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printHelp();
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System.exit(1);
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}
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private static void verifyTimeFormat(String param, String errMsgPrefix) {
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if (FormatTools.TIME_PATTERN.matcher(param).matches()) {
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return;
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}
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println(errMsgPrefix + " \"" + param + "\" muss Uhrzeitformat (" + FormatTools.TIME_FORMAT + ") entsprechen.");
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System.exit(1);
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}
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private String initTitle(String inputTitle) {
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String fallbackTitle = "Ende! Endzeit " + FormatTools.TIME_FORMATTER.format(getEndTime()) + " erreicht.";
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String effectiveTitle = inputTitle == null || inputTitle.isBlank() ? fallbackTitle : inputTitle;
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String separator = "*".repeat(effectiveTitle.length());
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return separator + "\n" + effectiveTitle + "\n" + separator;
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}
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@Override
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public void showLoadingBar() {
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super.showLoadingBar();
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// showLoadingBarDebug(); // DEBUG
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println(title);
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}
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}
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