use kotlin

build.gradle

@@ -1,7 +1,7 @@
 plugins {
-    id 'java'
     id "com.github.johnrengelman.shadow" version "8.+"
     id "com.gorylenko.gradle-git-properties" version "2.4.1"
+    id 'org.jetbrains.kotlin.jvm'
 }
 
 group = 'org.cubewhy.celestial'
@@ -12,8 +12,6 @@ println('Celestial Launcher -> https://www.lunarclient.top/')
 
 compileJava.options.encoding = "UTF-8"
 
-java.sourceCompatibility = 17
-java.targetCompatibility = 17
 
 configurations {
     include
@@ -27,10 +25,6 @@ repositories {
 }
 
 dependencies {
-    compileOnly 'org.projectlombok:lombok:1.18.30'
-    annotationProcessor 'org.projectlombok:lombok:1.18.30'
-
-
     include 'org.slf4j:slf4j-api:2.0.11'
     include 'org.slf4j:slf4j-log4j12:2.0.11'
     include 'org.apache.logging.log4j:log4j-api:2.22.1'
@@ -43,17 +37,10 @@ dependencies {
     include 'co.gongzh.procbridge:procbridge:1.1'
     include 'commons-io:commons-io:2.15.1'
     include 'cn.hutool:hutool-crypto:5.8.25'
+    include "org.jetbrains.kotlin:kotlin-stdlib-jdk8"
 
     testCompileOnly 'org.projectlombok:lombok:1.18.30'
     testAnnotationProcessor 'org.projectlombok:lombok:1.18.30'
-
-    testImplementation platform('org.junit:junit-bom:5.9.1')
-    testImplementation 'org.junit.jupiter:junit-jupiter'
-}
-
-test {
-    enabled = false
-    useJUnitPlatform()
 }
 
 shadowJar {
@@ -80,4 +67,8 @@ jar {
     )
 }
 
+kotlin {
+    jvmToolchain(17)
+}
+
 jar.dependsOn(shadowJar)

settings.gradle

@@ -1,2 +1,10 @@
+pluginManagement {
+    plugins {
+        id 'org.jetbrains.kotlin.jvm' version '1.9.22'
+    }
+}
+plugins {
+    id 'org.gradle.toolchains.foojay-resolver-convention' version '0.5.0'
+}
 rootProject.name = 'celestial'