Upgrade to java 21

Author: junkfactory

build.gradle.kts

@@ -1,47 +1,61 @@
 plugins {
-  id("java")
-  id("org.jetbrains.kotlin.jvm") version "1.9.25"
-  id("org.jetbrains.intellij") version "1.17.4"
+    id("java")
+    id("org.jetbrains.kotlin.jvm") version "1.9.25"
+    id("org.jetbrains.intellij.platform") version "2.3.0"
 }
 
 group = "com.github.junkfactory"
 version = providers.gradleProperty("pluginVersion").get()
 
 repositories {
-  mavenCentral()
+    mavenCentral()
+    intellijPlatform {
+        defaultRepositories();
+    }
 }
 
-// Configure Gradle IntelliJ Plugin
-// Read more: https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
-intellij {
-  version.set("2024.1.7")
-  type.set("IC") // Target IDE Platform
+dependencies {
+    intellijPlatform {
+        create("IC", "2025.1")
+        testFramework(org.jetbrains.intellij.platform.gradle.TestFrameworkType.Platform)
+
+        // Add necessary plugin dependencies for compilation here, example:
+        bundledPlugin("com.intellij.java")
+    }
+}
 
-  plugins.set(listOf("com.intellij.java"))
+intellijPlatform {
+    pluginConfiguration {
+        ideaVersion {
+            sinceBuild = "242"
+        }
+    }
 }
 
+// Configure Gradle IntelliJ Plugin
+// Read more: https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
 tasks {
-  // Set the JVM compatibility versions
-  withType<JavaCompile> {
-    sourceCompatibility = "17"
-    targetCompatibility = "17"
-  }
-  withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile> {
-    kotlinOptions.jvmTarget = "17"
-  }
-
-  patchPluginXml {
-    sinceBuild.set("241")
-    untilBuild.set("251.*")
-  }
-
-  signPlugin {
-    certificateChain.set(System.getenv("CERTIFICATE_CHAIN"))
-    privateKey.set(System.getenv("PRIVATE_KEY"))
-    password.set(System.getenv("PRIVATE_KEY_PASSWORD"))
-  }
-
-  publishPlugin {
-    token.set(System.getenv("PUBLISH_TOKEN"))
-  }
+    // Set the JVM compatibility versions
+    withType<JavaCompile> {
+        sourceCompatibility = "21"
+        targetCompatibility = "21"
+    }
+    withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile> {
+        kotlinOptions.jvmTarget = "21"
+    }
+
+    patchPluginXml {
+        sinceBuild.set("242")
+        untilBuild.set("252.*")
+    }
+
+    signPlugin {
+        certificateChain.set(System.getenv("CERTIFICATE_CHAIN"))
+        privateKey.set(System.getenv("PRIVATE_KEY"))
+        password.set(System.getenv("PRIVATE_KEY_PASSWORD"))
+    }
+
+    publishPlugin {
+        token.set(System.getenv("PUBLISH_TOKEN"))
+    }
 }