52 lines
2.2 KiB
Java
52 lines
2.2 KiB
Java
package de.jotoho.waituntil;
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import java.util.*;
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import static de.jotoho.waituntil.GlobalConf.applicationOutputLanguage;
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// This file contains the main function and other utility function necessary for interpreting the terminal arguments.
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// See README.md and LICENSE.md for license information
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// Author: Jonas Tobias Hopusch (@jotoho)
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public final class Main {
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public static void main(final String[] args) {
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final var optionDictionary = Map.of("-h", "--help", "-v", "--version");
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final var options = new HashSet<String>();
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final var words = new HashSet<String>();
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for (final String arg : args) {
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if (arg.startsWith("--")) {
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options.add(arg.substring(2));
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} else if (arg.startsWith("-")) {
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if (optionDictionary.containsKey(arg))
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options.add(optionDictionary.get(arg).substring(2));
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else
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System.err.println("Short-hand '$arg' does not exist. Ignoring!");
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} else {
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words.add(arg);
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}
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}
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if (options.contains("help")) {
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switch (applicationOutputLanguage) {
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case GlobalConf.langGerman -> System.out.println("Hilfe kommt noch. (Nicht implementiert)");
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default -> System.out.println("Help is yet to come. (Not implemented)");
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}
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} else if (options.contains("version")) {
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final var thisPackage = Main.class.getPackage();
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final var appVersion = thisPackage.getImplementationVersion() != null ? thisPackage.getImplementationVersion() :"UNKNOWN";
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System.out.println("de.jotoho.waituntil version $appVersion");
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} else if (words.size() == 1) {
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final var target = TimeCalculator.calculateAndAnnounceTargetTime(words.iterator().next());
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Sleep.waitUntilTimeStamp(target);
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} else {
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switch (applicationOutputLanguage) {
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case GlobalConf.langGerman -> System.err.println("FATAL: Es wurde exact ein nicht-flag Argument erwartet. (" + words.size() + " erhalten)");
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default -> System.err.println("FATAL: Expected one non-flag argument. (Got " + words.size() + ")");
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}
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System.exit(1);
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}
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}
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}
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