JDK 19 + Gradle 8.1.1 + kotlin 1.8.21 + spotless

.editorconfig

@@ -13,4 +13,6 @@ insert_final_newline = true
 indent_size = 4
 insert_final_newline = true
 max_line_length = 120
-disabled_rules = no-wildcard-imports,import-ordering
+ktlint_standard_no-wildcard-imports = disabled
+ktlint_standard_import-ordering = disabled
+ktlint_standard_multiline-if-else = disabled

Dockerfile

@@ -1,8 +1,8 @@
-FROM openjdk:15-alpine as jdkbuilder
+FROM eclipse-temurin:19-alpine as jdkbuilder
 
 RUN apk add --no-cache binutils
 
-ENV MODULES java.base,java.compiler,java.desktop,java.instrument,java.logging,java.management,java.naming,java.scripting,java.security.jgss,java.sql,java.sql.rowset,java.transaction.xa,java.xml,jdk.net
+ENV MODULES java.base,java.compiler,java.desktop,java.instrument,java.logging,java.management,java.naming,java.scripting,java.security.jgss,java.sql,java.sql.rowset,java.transaction.xa,java.xml,jdk.net,jdk.zipfs
 
 RUN jlink --output /myjdk --module-path $JAVA_HOME/jmods --add-modules $MODULES --no-header-files --no-man-pages --strip-debug --compress=2
 

buildSrc/build.gradle.kts

@@ -7,9 +7,9 @@ repositories {
 }
 
 dependencies {
-    implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:1.5.0")
-    implementation("org.jetbrains.kotlin:kotlin-serialization:1.5.0")
-    implementation("gradle.plugin.com.github.jengelman.gradle.plugins:shadow:7.0.0")
-    implementation("org.jlleitschuh.gradle:ktlint-gradle:10.0.0")
-    implementation("com.github.ben-manes:gradle-versions-plugin:0.28.0")
+    implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:1.8.21")
+    implementation("org.jetbrains.kotlin:kotlin-serialization:1.8.21")
+    implementation("com.github.johnrengelman:shadow:8.1.1")
+    implementation("org.jlleitschuh.gradle:ktlint-gradle:11.3.2")
+    implementation("com.github.ben-manes:gradle-versions-plugin:0.46.0")
 }

buildSrc/src/main/kotlin/be/simplenotes/PostcssPlugin.kt

@@ -2,8 +2,10 @@ package be.simplenotes
 
 import org.gradle.api.Plugin
 import org.gradle.api.Project
-import org.gradle.api.plugins.JavaPluginConvention
+import org.gradle.api.plugins.JavaPluginExtension
+import org.gradle.api.tasks.SourceSetContainer
 import org.gradle.kotlin.dsl.get
+import org.gradle.kotlin.dsl.getByType
 import org.gradle.kotlin.dsl.register
 import java.io.File
 
@@ -17,7 +19,7 @@ class PostcssPlugin : Plugin<Project> {
             getByName("processResources").dependsOn("postcss")
         }
 
-        val sourceSets = project.convention.getPlugin(JavaPluginConvention::class.java).sourceSets
+        val sourceSets = project.extensions.getByType<SourceSetContainer>()
         val root = File("${project.buildDir}/generated-resources/css")
         sourceSets["main"].resources.srcDir(root)
     }

buildSrc/src/main/kotlin/be/simplenotes/java-convention.gradle.kts

@@ -12,8 +12,10 @@ group = "be.simplenotes"
 version = "1.0-SNAPSHOT"
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_15
-    targetCompatibility = JavaVersion.VERSION_15
+    toolchain {
+        languageVersion.set(JavaLanguageVersion.of(19))
+        vendor.set(JvmVendorSpec.ORACLE)
+    }
 }
 
 tasks.withType<JavaCompile> {

buildSrc/src/main/kotlin/be/simplenotes/kotlin-convention.gradle.kts

@@ -1,5 +1,7 @@
 package be.simplenotes
 
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+import org.jetbrains.kotlin.gradle.dsl.KotlinVersion
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
@@ -13,14 +15,14 @@ dependencies {
 }
 
 tasks.withType<KotlinCompile> {
-    kotlinOptions {
-        jvmTarget = "15"
-        javaParameters = true
-        freeCompilerArgs = listOf(
+    compilerOptions {
+        jvmTarget.set(JvmTarget.JVM_19)
+        javaParameters.set(true)
+        freeCompilerArgs.addAll(
             "-Xinline-classes",
             "-Xno-param-assertions",
             "-Xno-call-assertions",
-            "-Xno-receiver-assertions"
+            "-Xno-receiver-assertions",
         )
     }
 }

gradle.properties

@@ -1,3 +1,3 @@
-org.gradle.jvmargs=-Xmx2048M -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
+org.gradle.jvmargs=-Xmx2048M -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
 org.gradle.caching=true
 org.gradle.parallel=true

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.0-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

settings.gradle.kts

@@ -8,5 +8,3 @@ include(":types")
 include(":persistence")
 include(":css")
 include(":junit-config")
-
-enableFeaturePreview("VERSION_CATALOGS")