build: convert Gradle scripts to Kotlin

Improves IDE support build scripts in IntelliJ.

There is no Eclipse IDE support, but Eclipse didn't have support for Groovy
either, so there is no degradation of functionality.

1 files changed, 91 insertions, 0 deletions

diff --git a/subprojects/language-web/build.gradle.kts b/subprojects/language-web/build.gradle.kts
new file mode 100644
index 00000000..c68daa9a
--- /dev/null
+++ b/subprojects/language-web/build.gradle.kts
@@ -0,0 +1,91 @@
+plugins {
+        id("refinery-java-application")
+        id("refinery-xtext-conventions")
+}
+
+val webapp: Configuration by configurations.creating {
+        isCanBeConsumed = false
+        isCanBeResolved = true
+}
+
+configurations.all {
+        // Use log4j-over-slf4j instead of log4j 1.x
+        exclude(group = "log4j", module = "log4j")
+}
+
+dependencies {
+        implementation(project(":refinery-language"))
+        implementation(project(":refinery-language-ide"))
+        implementation(libs.jetty.server)
+        implementation(libs.jetty.servlet)
+        implementation(libs.jetty.websocket.server)
+        implementation(libs.slf4j.api)
+        implementation(libs.slf4j.simple)
+        implementation(libs.slf4j.log4j)
+        implementation(libs.xtext.web)
+        webapp(project(path = ":refinery-frontend", configuration = "productionAssets"))
+        testImplementation(testFixtures(project(":refinery-language")))
+        testImplementation(libs.jetty.websocket.client)
+}
+
+val generateXtextLanguage = project(":refinery-language").tasks.named("generateXtextLanguage")
+
+for (taskName in listOf("compileJava", "processResources")) {
+        tasks.named(taskName) {
+                dependsOn(generateXtextLanguage)
+        }
+}
+
+application {
+        mainClass.set("tools.refinery.language.web.ServerLauncher")
+        // Enable JDK 19 preview features for virtual thread support.
+        applicationDefaultJvmArgs += "--enable-preview"
+}
+
+tasks.withType(JavaCompile::class) {
+        options.release.set(19)
+        // Enable JDK 19 preview features for virtual thread support.
+        options.compilerArgs.plusAssign("--enable-preview")
+}
+
+// Enable JDK 19 preview features for virtual thread support.
+fun enablePreview(task: JavaForkOptions) {
+        task.jvmArgs("--enable-preview")
+}
+
+tasks.withType(Test::class) {
+        enablePreview(this)
+}
+
+tasks.jar {
+        dependsOn(webapp)
+        from(webapp) {
+                into("webapp")
+        }
+}
+
+tasks.shadowJar {
+        dependsOn(webapp)
+        from(project.sourceSets.main.map { it.output })
+        exclude("META-INF/INDEX.LIST", "META-INF/*.SF", "META-INF/*.DSA", "META-INF/*.RSA","schema/*",
+                ".options", ".api_description", "*.profile", "about.*", "about_*.html", "about_files/*",
+                "plugin.xml", "systembundle.properties", "profile.list", "META-INF/resources/xtext/**")
+        append("plugin.properties")
+        from(webapp) {
+                into("webapp")
+        }
+}
+
+tasks.register("serveBackend", JavaExec::class) {
+        dependsOn(webapp)
+        val mainRuntimeClasspath = sourceSets.main.map { it.runtimeClasspath }
+        dependsOn(mainRuntimeClasspath)
+        classpath(mainRuntimeClasspath)
+        mainClass.set(application.mainClass)
+        enablePreview(this)
+        standardInput = System.`in`
+        val baseResource = webapp.incoming.artifacts.artifactFiles.first()
+        environment("BASE_RESOURCE", baseResource)
+        group = "run"
+        description = "Start a Jetty web server serving the Xtex API and assets."
+}