From 308c12f45c2cd1001dfac0512f0e6c237b20a5e7 Mon Sep 17 00:00:00 2001
From: Nikita Skvortsov <nikita.skvortsov@jetbrains.com>
Date: Wed, 29 May 2013 20:15:32 +0400
Subject: [PATCH] first class loader wrapper implementation

---
 .../gradle/api/artifacts/dsl/annotations.xml  |  5 ++++
 libraries/tools/kotlin-gradle-plugin/pom.xml  |  5 ++++
 .../gradle/plugin/KotlinPluginWrapper.kt      | 27 ++++++++++++++++---
 .../plugin}/ParentLastURLClassLoader.java     |  2 +-
 4 files changed, 35 insertions(+), 4 deletions(-)
 create mode 100644 libraries/tools/kotlin-gradle-plugin/kotlinAnnotation/org/gradle/api/artifacts/dsl/annotations.xml
 rename libraries/tools/kotlin-gradle-plugin/src/main/{java/org/jetbrains/kotlin/gradle/classloaders => kotlin/org/jetbrains/kotlin/gradle/plugin}/ParentLastURLClassLoader.java (98%)

diff --git a/libraries/tools/kotlin-gradle-plugin/kotlinAnnotation/org/gradle/api/artifacts/dsl/annotations.xml b/libraries/tools/kotlin-gradle-plugin/kotlinAnnotation/org/gradle/api/artifacts/dsl/annotations.xml
new file mode 100644
index 00000000000..0402ed182e0
--- /dev/null
+++ b/libraries/tools/kotlin-gradle-plugin/kotlinAnnotation/org/gradle/api/artifacts/dsl/annotations.xml
@@ -0,0 +1,5 @@
+<root>
+    <item name='org.gradle.api.Project org.gradle.api.artifacts.dsl.DependencyHandler getDependencies()'>
+        <annotation name='org.jetbrains.annotations.NotNull'/>
+    </item>
+</root>
\ No newline at end of file
diff --git a/libraries/tools/kotlin-gradle-plugin/pom.xml b/libraries/tools/kotlin-gradle-plugin/pom.xml
index 543601c16bb..b4eb77b2478 100644
--- a/libraries/tools/kotlin-gradle-plugin/pom.xml
+++ b/libraries/tools/kotlin-gradle-plugin/pom.xml
@@ -20,6 +20,11 @@
     <packaging>jar</packaging>
 
     <dependencies>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-stdlib</artifactId>
+            <version>${project.version}</version>
+        </dependency>
         <dependency>
             <groupId>org.jetbrains.kotlin</groupId>
             <artifactId>gradle-api</artifactId>
diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinPluginWrapper.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinPluginWrapper.kt
index 611f34ad2aa..a32bdb94c3d 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinPluginWrapper.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinPluginWrapper.kt
@@ -3,11 +3,32 @@ package org.jetbrains.kotlin.gradle.plugin
 import org.gradle.api.Plugin
 import org.gradle.api.Project
 import org.gradle.api.artifacts.dsl.DependencyHandler
+import org.gradle.api.artifacts.ConfigurationContainer
+import org.gradle.api.artifacts.Dependency
+import org.gradle.api.specs.Spec
+import java.io.File
+import java.net.URL
 
 open class KotlinPluginWrapper: Plugin<Project> {
     public override fun apply(project: Project) {
-        val dependencyHandler : DependencyHandler = project.getDependencies()
-        dependencyHandler.create("org.jetbrains.kotlin:kotlin-gradle-plugin-core:0.1-SNAPSHOT")
+        val dependencyHandler : DependencyHandler = project.getDependencies()!!
+        val configurationsContainer : ConfigurationContainer = project.getConfigurations()!!
 
+        val dependency = dependencyHandler.create("org.jetbrains.kotlin:kotlin-gradle-plugin-core:0.1-SNAPSHOT")
+        val configuration = configurationsContainer.detachedConfiguration(dependency)!!
+
+        val kotlinPluginDependencies : List<URL> = configuration.getResolvedConfiguration()!!.getFiles(KSpec({ dep -> true }))!!.map({(f: File):URL -> f.toURI().toURL() })
+        val kotlinPluginClassloader = ParentLastURLClassLoader(kotlinPluginDependencies, getClass().getClassLoader())
+        val cls = Class.forName("org.jetbrains.kotlin.gradle.plugin.KotlinPlugin", true, kotlinPluginClassloader)
+        val pluginInstance = cls.newInstance()
+        val applyMethod = cls.getMethod("apply", javaClass<Project>())
+
+        applyMethod.invoke(pluginInstance, project);
     }
-}
\ No newline at end of file
+}
+
+open class KSpec<T: Any?>(val predicate: (T) -> Boolean): Spec<T> {
+    public override fun isSatisfiedBy(p0: T?): Boolean {
+        return p0 != null && predicate(p0)
+    }
+}
diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/java/org/jetbrains/kotlin/gradle/classloaders/ParentLastURLClassLoader.java b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/ParentLastURLClassLoader.java
similarity index 98%
rename from libraries/tools/kotlin-gradle-plugin/src/main/java/org/jetbrains/kotlin/gradle/classloaders/ParentLastURLClassLoader.java
rename to libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/ParentLastURLClassLoader.java
index d71acde71e3..dec931c3baa 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/java/org/jetbrains/kotlin/gradle/classloaders/ParentLastURLClassLoader.java
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/ParentLastURLClassLoader.java
@@ -1,4 +1,4 @@
-package org.jetbrains.kotlin.gradle.classloaders;
+package org.jetbrains.kotlin.gradle.plugin;
 
 
 import java.net.URL;