fix beryx#244 secondary launcher fails in Kotlin DSL

src/main/groovy/org/beryx/jlink/data/JlinkPluginExtension.groovy

@@ -174,7 +174,7 @@ class JlinkPluginExtension {
  action.execute(launcherData.get())
  }
 
- void secondaryLauncher(Action<LauncherData> action) {
+ void secondaryLauncher(Action<SecondaryLauncherData> action) {
  def ld = new SecondaryLauncherData(null)
  ld.moduleName = moduleName.get()
  Util.addToListProperty(secondaryLaunchers, ld)

src/test/groovy/org/beryx/jlink/JlinkPluginSpec.groovy

@@ -223,6 +223,24 @@ class JlinkPluginSpec extends Specification {
  checkOutput(result, 'howdy', 'Howdy!')
  }
 
+ def "should create image of project with multiple launchers using kotlin DSL"() {
+ when:
+
+ File buildFile = setUpBuild('multi-launch-kotlin-dsl')
+ BuildResult result = GradleRunner.create()
+ .withDebug(true)
+ .withGradleVersion('7.6')
+ .withProjectDir(testProjectDir.toFile())
+ .withPluginClasspath()
+ .withArguments(JlinkPlugin.TASK_NAME_JLINK, "-is")
+ .build();
+
+ then:
+ checkOutput(result, 'hello', 'Hello, world!')
+ checkOutput(result, 'helloAgain', 'Hello again!')
+ checkOutput(result, 'howdy', 'Howdy!')
+ }
+
  private boolean checkOutput(BuildResult result, String imageName, String expectedOutput) {
  def imageBinDir = new File(testProjectDir.toFile(), 'build/image/bin')
  def launcherExt = OperatingSystem.current.windows ? '.bat' : ''

src/test/resources/multi-launch-kotlin-dsl/build.gradle.kts

@@ -0,0 +1,35 @@
+plugins {
+ id("org.javamodularity.moduleplugin") version "1.8.12"
+ id("org.beryx.jlink")
+}
+
+repositories {
+ mavenCentral()
+}
+
+extra["moduleName"] = "org.example.multi"
+
+application {
+ mainClass.set("org.example.multi.Hello")
+}
+
+jlink {
+ launcher {
+ name = "hello"
+ noConsole = false
+ jvmArgs = listOf(
+ "-Xms512m",
+ "-Xmx4g",
+ "-XX:+UseShenandoahGC"
+ )
+ }
+ secondaryLauncher {
+ name = "helloAgain"
+ mainClass = "org.example.multi.HelloAgain"
+ }
+ secondaryLauncher {
+ name = "howdy"
+ moduleName= "org.example.multi"
+ mainClass = "org.example.multi.Howdy"
+ }
+}

src/test/resources/multi-launch-kotlin-dsl/settings.gradle.kts

@@ -0,0 +1 @@
+rootProject.name = "multi-launch-kotlin-dsl"

src/test/resources/multi-launch-kotlin-dsl/src/main/java/module-info.java

@@ -0,0 +1,2 @@
+module org.example.multi {
+}

src/test/resources/multi-launch-kotlin-dsl/src/main/java/org/example/multi/Hello.java

@@ -0,0 +1,7 @@
+package org.example.multi;
+
+public class Hello {
+ public static void main(String[] args) {
+ System.out.println("Hello, world!");
+ }
+}

src/test/resources/multi-launch-kotlin-dsl/src/main/java/org/example/multi/HelloAgain.java

@@ -0,0 +1,7 @@
+package org.example.multi;
+
+public class HelloAgain {
+ public static void main(String[] args) {
+ System.out.println("Hello again!");
+ }
+}

src/test/resources/multi-launch-kotlin-dsl/src/main/java/org/example/multi/Howdy.java

@@ -0,0 +1,7 @@
+package org.example.multi;
+
+public class Howdy {
+ public static void main(String[] args) {
+ System.out.println("Howdy!");
+ }
+}