Pass the class loader to archetypes.

modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/api/IInitContributor.kt

@@ -31,6 +31,6 @@ interface IArchetype {
      * Generate the files for this archetype. The parameter is the arguments that were passed to the kobaltw
      * command.
      */
-    fun generateArchetype(args: Args)
+    fun generateArchetype(args: Args, classLoader: ClassLoader)
 }
 

src/main/kotlin/com/beust/kobalt/Main.kt

@@ -68,10 +68,12 @@ private class Main @Inject constructor(
 
     public fun run(jc: JCommander, args: Args, argv: Array<String>): Int {
         // Install plug-ins requested from the command line
+        var pluginClassLoader = javaClass.classLoader
         args.pluginIds?.let {
             val dependencies = it.split(",").map { depFactory.create(it) }
             val urls = dependencies.map { it.jarFile.get().toURI().toURL() }
-            plugins.installPlugins(dependencies, URLClassLoader(urls.toTypedArray()))
+            pluginClassLoader = URLClassLoader(urls.toTypedArray())
+            plugins.installPlugins(dependencies, pluginClassLoader)
         }
 
         //
@@ -97,7 +99,7 @@ private class Main @Inject constructor(
 
         val seconds = benchmarkSeconds {
             try {
-                result = runWithArgs(jc, args, argv)
+                result = runWithArgs(jc, args, argv, pluginClassLoader)
             } catch(ex: KobaltException) {
                 error("", ex.cause ?: ex)
                 result = 1
@@ -116,7 +118,7 @@ private class Main @Inject constructor(
     //        val file = File("src\\main\\resources\\META-INF\\plugin.ml")
     //    }
 
-    private fun runWithArgs(jc: JCommander, args: Args, argv: Array<String>): Int {
+    private fun runWithArgs(jc: JCommander, args: Args, argv: Array<String>, pluginClassLoader: ClassLoader): Int {
 //        val file = File("/Users/beust/.kobalt/repository/com/google/guava/guava/19.0-rc2/guava-19.0-rc2.pom")
 //        val md5 = Md5.toMd5(file)
 //        val md52 = MessageDigest.getInstance("MD5").digest(file.readBytes()).toHexString()
@@ -135,7 +137,7 @@ private class Main @Inject constructor(
             // Make sure the wrapper won't call us back with --noLaunch
             //
             com.beust.kobalt.wrapper.Main.main(arrayOf("--noLaunch") + argv)
-            projectGenerator.run(args)
+            projectGenerator.run(args, pluginClassLoader)
         } else if (args.usage) {
             jc.usage()
         } else if (args.serverMode) {

src/main/kotlin/com/beust/kobalt/app/BuildGenerator.kt

@@ -33,7 +33,7 @@ abstract class BuildGenerator : IArchetype {
         }
     }
 
-    override fun generateArchetype(args: Args) {
+    override fun generateArchetype(args: Args, classLoader: ClassLoader) {
         val file = File(args.buildFile)
         if (! file.exists()) {
             PrintWriter(FileOutputStream(file)).use {

src/main/kotlin/com/beust/kobalt/app/ProjectGenerator.kt

@@ -13,7 +13,7 @@ import java.io.File
  * Invoked with --init. Generate a new project.
  */
 class ProjectGenerator @Inject constructor(val pluginInfo: PluginInfo){
-    fun run(args: Args) {
+    fun run(args: Args, classLoader: ClassLoader) {
         File(args.buildFile).parentFile.mkdirs()
         val map = hashMapOf<String, IArchetype>()
         pluginInfo.initContributors.forEach {
@@ -26,7 +26,7 @@ class ProjectGenerator @Inject constructor(val pluginInfo: PluginInfo){
             val archetype = map[archetypeName]
             if (archetype != null) {
                 log(2, "Running archetype $archetypeName")
-                archetype.generateArchetype(args)
+                archetype.generateArchetype(args, classLoader)
             } else {
                 warn("Couldn't find any archetype named $archetypeName")
             }

src/test/kotlin/com/beust/kobalt/maven/PomTest.kt

@@ -58,7 +58,7 @@ class PomTest @Inject constructor() : KobaltTest() {
             args.buildFile = file.absolutePath
             args.archetypes = "java"
 
-            ProjectGenerator(Kobalt.INJECTOR.getInstance(PluginInfo::class.java)).run(args)
+            ProjectGenerator(Kobalt.INJECTOR.getInstance(PluginInfo::class.java)).run(args, javaClass.classLoader)
 
             var contents = file.readText()
             Assert.assertTrue(contents.contains("group = \"${pom.groupId}\""), "Should find the group defined")