commands can (and should) now be KT objects instead of classes

build.gradle

@@ -17,9 +17,9 @@ repositories {
 
 dependencies {
     //Kotlin
-    implementation "org.jetbrains.kotlin:kotlin-reflect:1.3.72"
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8"
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-jdk8:1.3.8"
+    compile 'org.jetbrains.kotlin:kotlin-reflect:1.3.72'
+    compile 'org.jetbrains.kotlin:kotlin-stdlib-jdk8'
+    compile 'org.jetbrains.kotlinx:kotlinx-coroutines-jdk8:1.3.8'
 
     //Other
     compile 'com.squareup.okhttp3:okhttp:4.8.0'

src/main/kotlin/ley/anvil/modpacktools/command/CommandLoader.kt

@@ -26,6 +26,7 @@ class CommandLoader(private val pkg: String) {
         loadCommands()
     }
 
+    @Suppress("UNCHECKED_CAST")
     private fun loadCommands() {
         //Get ICommands in package
         val refs = Reflections(pkg, SubTypesScanner(false))
@@ -33,7 +34,9 @@ class CommandLoader(private val pkg: String) {
         refs.getSubTypesOf(ICommand::class.java).stream()
             //Only annotated classes
             .filter {it.isAnnotationPresent(LoadCommand::class.java)}
-            .forEach {addClass(it)}
+            //can be object
+            .map {it.kotlin.objectInstance?: it}
+            .forEach {if(it is ICommand) addCommand(it) else addClass(it as Class<out ICommand>)}
     }
 
     /**

src/main/kotlin/ley/anvil/modpacktools/commands/CreateModlist.kt

@@ -14,7 +14,7 @@ import java.io.File
 import java.io.FileWriter
 
 @LoadCommand
-class CreateModlist : ICommand {
+object CreateModlist : ICommand {
     override val name: String = "createmodlist"
     override val helpMessage: String = "This creates a modlist either as html or csv file. Syntax: <html/csv> outFile"
 

src/main/kotlin/ley/anvil/modpacktools/commands/DownloadMods.kt

@@ -16,7 +16,7 @@ import java.nio.file.Paths
 import java.util.stream.Collectors.toMap
 
 @LoadCommand
-class DownloadMods : ICommand {
+object DownloadMods : ICommand {
     override val name: String = "downloadmods"
     override val helpMessage: String = "Downloads all mods. force always downloads files even if they are already present Syntax: <OutDir> [force]"
 

src/main/kotlin/ley/anvil/modpacktools/commands/Import.kt

@@ -14,7 +14,7 @@ import java.io.FileReader
 import java.io.FileWriter
 
 @LoadCommand
-class Import : ICommand {
+object Import : ICommand {
     override val name: String = "import"
     override val helpMessage: String = "Converts a given manifest file to a modpackjson file"
 

src/main/kotlin/ley/anvil/modpacktools/commands/Init.kt

@@ -8,7 +8,7 @@ import ley.anvil.modpacktools.command.ICommand
 import ley.anvil.modpacktools.command.LoadCommand
 
 @LoadCommand
-class Init : ICommand {
+object Init : ICommand {
     override val name: String = "init"
     override val helpMessage: String = "initializes the MPT dev environment (currently only creates config file)"
     override val needsConfig: Boolean = false