.gitignore

@@ -38,3 +38,4 @@ build
 # Ignore manual compilation results
 /de/jotoho/
 /META-INF
+/.idea

app/build.gradle.kts

@@ -1,55 +0,0 @@
-/*
- * This file was generated by the Gradle 'init' task.
- *
- * This generated file contains a sample Kotlin application project to get you started.
- * For more details take a look at the 'Building Java & JVM projects' chapter in the Gradle
- * User Manual available at https://docs.gradle.org/7.2/userguide/building_java_projects.html
- */
-
-plugins {
-    // Apply the org.jetbrains.kotlin.jvm Plugin to add support for Kotlin.
-    id("org.jetbrains.kotlin.jvm") version "1.+"
-
-    // Apply the application plugin to add support for building a CLI application in Java.
-    application
-}
-
-repositories {
-    // Use Maven Central for resolving dependencies.
-    mavenCentral()
-}
-
-dependencies {
-    // Align versions of all Kotlin components
-    implementation(platform("org.jetbrains.kotlin:kotlin-bom"))
-
-    // Use the Kotlin JDK 8 standard library.
-    implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
-
-    // This dependency is used by the application.
-    implementation("com.google.guava:guava:30.1.1-jre")
-
-    // Use the Kotlin test library.
-    testImplementation("org.jetbrains.kotlin:kotlin-test")
-
-    // Use the Kotlin JUnit integration.
-    testImplementation("org.jetbrains.kotlin:kotlin-test-junit")
-}
-
-java {
-    sourceCompatibility = JavaVersion.VERSION_16
-    targetCompatibility = JavaVersion.VERSION_16
-}
-
-tasks {
-    compileKotlin {
-        kotlinOptions {
-            jvmTarget = "16"
-        }
-    }
-}
-
-application {
-    // Define the main class for the application.
-    mainClass.set("de.jotoho.waituntil.StartKt")
-}

app/src/main/kotlin/de/jotoho/waituntil/start.kt

@@ -1,101 +0,0 @@
-package de.jotoho.waituntil
-
-import java.util.Locale
-import java.time.format.DateTimeFormatter
-import java.time.format.FormatStyle
-import java.util.TimeZone
-import java.time.Instant
-import java.time.LocalTime
-import java.time.LocalDate
-import java.time.ZonedDateTime
-import java.time.temporal.ChronoUnit
-
-// This file contains the main function and other utility function necessary for interpreting the terminal arguments.
-// See README.md and LICENSE.md for license information
-// Author: Jonas Tobias Hopusch (@jotoho)
-
-val langGerman: String = Locale.GERMAN.getLanguage();
-val applicationOutputLanguage: String = if (Locale.getDefault().getLanguage().equals(Locale.GERMAN.getLanguage()))
-                                    Locale.GERMAN.getLanguage()
-                                    else Locale.ENGLISH.getLanguage();
-
-fun waitUntilTimeStamp(timestamp: ZonedDateTime) {
-    Thread.sleep(
-        Math.max(Instant.now().until(timestamp, ChronoUnit.MILLIS), 0)
-        );
-
-    val formattedTimeStamp: String = DateTimeFormatter.ofLocalizedDateTime(FormatStyle.LONG)
-                                        .withZone(TimeZone.getDefault().toZoneId())
-                                        .format(Instant.now());
-
-    when (applicationOutputLanguage) {
-        langGerman -> System.err.println("Erfolgreich bis $formattedTimeStamp gewartet!");
-        else -> {
-            System.err.println("Successfully waited until $formattedTimeStamp");
-        }
-    }
-}
-
-fun calculateAndAnnounceTargetTime(userTimeInputRaw: String): ZonedDateTime {
-    val userTimeInputRelative = LocalTime.parse(userTimeInputRaw);
-    val userTimeInputAbsolute = ZonedDateTime.of(LocalDate.now(), userTimeInputRelative, TimeZone.getDefault().toZoneId());
-
-    val userTimeInputFinal = if (Instant.now().isBefore(userTimeInputAbsolute.toInstant())) userTimeInputAbsolute else userTimeInputAbsolute.plusDays(1);
-
-    val formattedTimeStamp = userTimeInputFinal.format(
-        DateTimeFormatter.ofLocalizedDateTime(FormatStyle.LONG)
-    );
-
-    when (applicationOutputLanguage) {
-        langGerman -> System.err.println("Dieses Program wird bis zum $formattedTimeStamp warten.");
-        else -> {
-            println("WaitUntil will suspend until $formattedTimeStamp");
-        }
-    }
-
-    return userTimeInputFinal;
-}
-
-fun main(args: Array<String>) {
-    val optionDictionary = mapOf(Pair("-h", "--help"));
-
-    val options = HashSet<String>();
-    val words = HashSet<String>();
-
-    for (arg in args) {
-        if (arg.startsWith("--")) {
-            options.add(arg.substring(startIndex=2))
-        }
-        else if (arg.startsWith('-')) {
-            val translation = optionDictionary.get(arg);
-            if (translation != null)
-                options.add(translation.substring(startIndex=2));
-            else
-                System.err.println("Short-hand '$arg' does not exist. Ignoring!");
-        }
-        else
-            words.add(arg);
-    }
-
-    if (options.contains("help")) {
-        when (applicationOutputLanguage) {
-            langGerman -> println("Hilfe kommt noch. (Nicht implementiert)");
-            else -> {
-                println("Help is yet to come. (Not implemented)");
-            }
-        }
-    }
-    else if (words.size == 1) {
-        val target = calculateAndAnnounceTargetTime(words.iterator().next());
-        waitUntilTimeStamp(target);
-    }
-    else {
-        when (applicationOutputLanguage) {
-            langGerman -> System.err.println("FATAL: Es wurde exact ein nicht-flag Argument erwartet. (${words.size} erhalten)");
-            else -> {
-                System.err.println("FATAL: Expected one non-flag argument. (Got ${words.size})");
-            }
-        }
-        System.exit(1);
-    }
-}

app/src/test/kotlin/waituntil/AppTest.kt

@@ -1,14 +0,0 @@
-/*
- * This Kotlin source file was generated by the Gradle 'init' task.
- */
-package de.jotoho.waituntil
-
-import kotlin.test.Test
-import kotlin.test.assertNotNull
-
-class AppTest {
-    @Test fun appHasAGreeting() {
-        val classUnderTest = App()
-        assertNotNull(classUnderTest.greeting, "app should have a greeting")
-    }
-}

build.gradle.kts

@@ -0,0 +1,49 @@
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+
+plugins {
+    // Apply the org.jetbrains.kotlin.jvm Plugin to add support for Kotlin.
+    kotlin("jvm") version "latest.release"
+
+    // Apply the application plugin to add support for building a CLI application in Java.
+    application
+}
+
+group = "de.jotoho"
+version = "0.1.0"
+
+repositories {
+    // Use Maven Central for resolving dependencies.
+    mavenCentral()
+}
+
+dependencies {
+    // Align versions of all Kotlin components
+    implementation(platform(kotlin("bom", "latest.release")))
+
+    // Use the Kotlin standard library.
+    implementation(kotlin("stdlib", "latest.release"))
+
+    // Use the Kotlin test library.
+    testImplementation(kotlin("test", "latest.release"))
+
+    // Use the Kotlin JUnit integration.
+    testImplementation(kotlin("test-junit", "latest.release"))
+}
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_16
+    targetCompatibility = JavaVersion.VERSION_16
+}
+
+tasks.test {
+    useJUnitPlatform()
+}
+
+tasks.withType<KotlinCompile> {
+        kotlinOptions.jvmTarget = "16"
+}
+
+application {
+    // Define the main class for the application.
+    mainClass.set("de.jotoho.waituntil.StartKt")
+}

compile.sh

@@ -1,3 +1,5 @@
 #!/bin/sh
 
-kotlinc app/src/main/kotlin/de/jotoho/waituntil/start.kt -jvm-target 16 -include-runtime -d waituntil.jar
+# shellcheck disable=SC2046
+# Word splitting in find results is intentional!
+kotlinc $(find src/main -type f -iname '*.kt') -jvm-target 16 -include-runtime -d waituntil.jar

gradle.properties

@@ -1 +1,2 @@
 org.gradle.daemon=false
+kotlin.code.style=official

settings.gradle.kts

@@ -7,5 +7,4 @@
  * in the user manual at https://docs.gradle.org/7.2/userguide/multi_project_builds.html
  */
 
-rootProject.name = "de.jotoho.waituntil"
+rootProject.name = "waituntil"
-include("app")

src/main/kotlin/de/jotoho/waituntil/sleeping.kt

@@ -0,0 +1,24 @@
+package de.jotoho.waituntil
+
+import java.time.Instant
+import java.time.ZonedDateTime
+import java.time.format.DateTimeFormatter
+import java.time.format.FormatStyle
+import java.time.temporal.ChronoUnit
+import java.util.*
+
+fun waitUntilTimeStamp(timestamp: ZonedDateTime) {
+    Thread.sleep(Instant.now().until(timestamp, ChronoUnit.MILLIS).coerceAtLeast(0))
+
+    val formattedTimeStamp: String =
+            DateTimeFormatter.ofLocalizedDateTime(FormatStyle.LONG)
+                    .withZone(TimeZone.getDefault().toZoneId())
+                    .format(Instant.now())
+
+    when (applicationOutputLanguage) {
+        langGerman -> System.err.println("Erfolgreich bis $formattedTimeStamp gewartet!")
+        else -> {
+            System.err.println("Successfully waited until $formattedTimeStamp")
+        }
+    }
+}

src/main/kotlin/de/jotoho/waituntil/start.kt

@@ -0,0 +1,56 @@
+package de.jotoho.waituntil
+
+import java.util.*
+import kotlin.system.exitProcess
+
+// This file contains the main function and other utility function necessary for interpreting the terminal arguments.
+// See README.md and LICENSE.md for license information
+// Author: Jonas Tobias Hopusch (@jotoho)
+
+val langGerman: String = Locale.GERMAN.language
+val applicationOutputLanguage: String = if (Locale.getDefault().language.equals(Locale.GERMAN.language))
+                                    Locale.GERMAN.language
+                                    else Locale.ENGLISH.language
+
+fun main(args: Array<String>) {
+    val optionDictionary = mapOf(Pair("-h", "--help"))
+
+    val options = HashSet<String>()
+    val words = HashSet<String>()
+
+    for (arg in args) {
+        if (arg.startsWith("--")) {
+            options.add(arg.substring(startIndex=2))
+        }
+        else if (arg.startsWith('-')) {
+            if (optionDictionary.containsKey(arg))
+                options.add(optionDictionary[arg]!!.substring(startIndex=2))
+            else
+                System.err.println("Short-hand '$arg' does not exist. Ignoring!")
+        }
+        else
+            words.add(arg)
+    }
+
+    if (options.contains("help")) {
+        when (applicationOutputLanguage) {
+            langGerman -> println("Hilfe kommt noch. (Nicht implementiert)")
+            else -> {
+                println("Help is yet to come. (Not implemented)")
+            }
+        }
+    }
+    else if (words.size == 1) {
+        val target = calculateAndAnnounceTargetTime(words.iterator().next())
+        waitUntilTimeStamp(target)
+    }
+    else {
+        when (applicationOutputLanguage) {
+            langGerman -> System.err.println("FATAL: Es wurde exact ein nicht-flag Argument erwartet. (${words.size} erhalten)")
+            else -> {
+                System.err.println("FATAL: Expected one non-flag argument. (Got ${words.size})")
+            }
+        }
+        exitProcess(1)
+    }
+}

src/main/kotlin/de/jotoho/waituntil/timecalc.kt

@@ -0,0 +1,41 @@
+package de.jotoho.waituntil
+
+import java.time.Instant
+import java.time.LocalDate
+import java.time.LocalTime
+import java.time.ZonedDateTime
+import java.time.format.DateTimeFormatter
+import java.time.format.FormatStyle
+import java.util.TimeZone
+
+fun calculateAndAnnounceTargetTime(userTimeInputRaw: String): ZonedDateTime {
+        val userTimeInputRelative = LocalTime.parse(userTimeInputRaw)
+        val userTimeInputAbsolute =
+                        ZonedDateTime.of(
+                                        LocalDate.now(),
+                                        userTimeInputRelative,
+                                        TimeZone.getDefault().toZoneId()
+                        )
+
+        val userTimeInputFinal =
+                        if (Instant.now().isBefore(userTimeInputAbsolute.toInstant()))
+                                        userTimeInputAbsolute
+                        else userTimeInputAbsolute.plusDays(1)
+
+        val formattedTimeStamp =
+                        userTimeInputFinal.format(
+                                        DateTimeFormatter.ofLocalizedDateTime(FormatStyle.LONG)
+                        )
+
+        when (applicationOutputLanguage) {
+                langGerman ->
+                                System.err.println(
+                                                "Dieses Program wird bis zum $formattedTimeStamp warten."
+                                )
+                else -> {
+                        println("WaitUntil will suspend until $formattedTimeStamp")
+                }
+        }
+
+        return userTimeInputFinal
+}