packaging: Implement JPackageTask

build-logic/packaging/src/main/kotlin/bisq/gradle/packaging/JPackageTask.kt

@@ -0,0 +1,51 @@
+package bisq.gradle.packaging
+
+import org.gradle.api.DefaultTask
+import org.gradle.api.file.DirectoryProperty
+import org.gradle.api.provider.Property
+import org.gradle.api.tasks.Input
+import org.gradle.api.tasks.InputDirectory
+import org.gradle.api.tasks.OutputDirectory
+import org.gradle.api.tasks.TaskAction
+import java.util.concurrent.TimeUnit
+
+abstract class JPackageTask : DefaultTask() {
+
+    @get:InputDirectory
+    abstract val jdkDirectory: DirectoryProperty
+
+    @get:InputDirectory
+    abstract val jarsDirectory: DirectoryProperty
+
+    @get:Input
+    abstract val mainJar: Property<String>
+
+    @get:Input
+    abstract val mainClassName: Property<String>
+
+    @get:InputDirectory
+    abstract val runtimeImageDirectory: DirectoryProperty
+
+    @get:OutputDirectory
+    abstract val outputDirectory: DirectoryProperty
+
+    @TaskAction
+    fun run() {
+        val jPackagePath = jdkDirectory.asFile.get().toPath().resolve("bin").resolve("jpackage")
+        val processBuilder = ProcessBuilder(
+                jPackagePath.toAbsolutePath().toString(),
+                "--dest", outputDirectory.asFile.get().absolutePath,
+                "--name", "Bisq",
+
+                "--input", jarsDirectory.asFile.get().absolutePath,
+                "--main-jar", mainJar.get(),
+                "--main-class", mainClassName.get(),
+
+                "--runtime-image", runtimeImageDirectory.asFile.get().absolutePath
+        )
+
+        processBuilder.inheritIO()
+        val process = processBuilder.start()
+        process.waitFor(15, TimeUnit.MINUTES)
+    }
+}