From 49c78602af350e274c74c9c8bba9e4662d8701b7 Mon Sep 17 00:00:00 2001
From: Alexander Udalov <Alexander.Udalov@jetbrains.com>
Date: Tue, 2 Jun 2015 18:29:38 +0300
Subject: [PATCH] Minor, move and rename CompilerClassLoaderHolder ->
 KotlinAntTaskUtil

---
 .../jetbrains/kotlin/ant/KotlinAntTaskUtil.kt | 51 +++++++++++++++++++
 .../kotlin/ant/KotlinCompilerBaseTask.kt      | 34 +------------
 2 files changed, 52 insertions(+), 33 deletions(-)
 create mode 100644 ant/src/org/jetbrains/kotlin/ant/KotlinAntTaskUtil.kt

diff --git a/ant/src/org/jetbrains/kotlin/ant/KotlinAntTaskUtil.kt b/ant/src/org/jetbrains/kotlin/ant/KotlinAntTaskUtil.kt
new file mode 100644
index 00000000000..51a33855f77
--- /dev/null
+++ b/ant/src/org/jetbrains/kotlin/ant/KotlinAntTaskUtil.kt
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2010-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.ant
+
+import org.apache.tools.ant.AntClassLoader
+import org.jetbrains.kotlin.preloading.ClassPreloadingUtils
+import java.io.File
+import java.lang.ref.SoftReference
+import java.net.JarURLConnection
+
+object KotlinAntTaskUtil {
+    private var classLoaderRef = SoftReference<ClassLoader?>(null)
+
+    synchronized fun getOrCreateClassLoader(): ClassLoader {
+        val cached = classLoaderRef.get()
+        if (cached != null) return cached
+
+        val myLoader = javaClass.getClassLoader()
+        if (myLoader !is AntClassLoader) return myLoader
+
+        // Find path of kotlin-ant.jar in the filesystem and find kotlin-compiler.jar in the same directory
+        val resourcePath = "/" + javaClass.getName().replace('.', '/') + ".class"
+        val jarConnection = javaClass.getResource(resourcePath).openConnection() as? JarURLConnection
+                            ?: throw UnsupportedOperationException("Kotlin compiler Ant task should be loaded from the JAR file")
+        val antTaskJarPath = File(jarConnection.getJarFileURL().toURI())
+
+        val compilerJarPath = File(antTaskJarPath.getParent(), "kotlin-compiler.jar")
+        if (!compilerJarPath.exists()) {
+            throw IllegalStateException("kotlin-compiler.jar is not found in the directory of Kotlin Ant task")
+        }
+
+        val classLoader = ClassPreloadingUtils.preloadClasses(listOf(compilerJarPath), 4096, myLoader, null)
+        classLoaderRef = SoftReference(classLoader)
+
+        return classLoader
+    }
+}
diff --git a/ant/src/org/jetbrains/kotlin/ant/KotlinCompilerBaseTask.kt b/ant/src/org/jetbrains/kotlin/ant/KotlinCompilerBaseTask.kt
index 172f7c53faf..1a0e37b7796 100644
--- a/ant/src/org/jetbrains/kotlin/ant/KotlinCompilerBaseTask.kt
+++ b/ant/src/org/jetbrains/kotlin/ant/KotlinCompilerBaseTask.kt
@@ -16,45 +16,13 @@
 
 package org.jetbrains.kotlin.ant
 
-import org.apache.tools.ant.AntClassLoader
 import org.apache.tools.ant.BuildException
 import org.apache.tools.ant.Task
 import org.apache.tools.ant.types.Commandline
 import org.apache.tools.ant.types.Path
 import org.apache.tools.ant.types.Reference
-import org.jetbrains.kotlin.preloading.ClassPreloadingUtils
 import java.io.File
 import java.io.PrintStream
-import java.lang.ref.SoftReference
-import java.net.JarURLConnection
-
-object CompilerClassLoaderHolder {
-    private var classLoaderRef = SoftReference<ClassLoader?>(null)
-
-    synchronized fun getOrCreateClassLoader(): ClassLoader {
-        val cached = classLoaderRef.get()
-        if (cached != null) return cached
-
-        val myLoader = javaClass.getClassLoader()
-        if (myLoader !is AntClassLoader) return myLoader
-
-        // Find path of kotlin-ant.jar in the filesystem and find kotlin-compiler.jar in the same directory
-        val resourcePath = "/" + javaClass.getName().replace('.', '/') + ".class"
-        val jarConnection = javaClass.getResource(resourcePath).openConnection() as? JarURLConnection
-                            ?: throw UnsupportedOperationException("Kotlin compiler Ant task should be loaded from the JAR file")
-        val antTaskJarPath = File(jarConnection.getJarFileURL().toURI())
-
-        val compilerJarPath = File(antTaskJarPath.getParent(), "kotlin-compiler.jar")
-        if (!compilerJarPath.exists()) {
-            throw IllegalStateException("kotlin-compiler.jar is not found in the directory of Kotlin Ant task")
-        }
-
-        val classLoader = ClassPreloadingUtils.preloadClasses(listOf(compilerJarPath), 4096, myLoader, null)
-        classLoaderRef = SoftReference(classLoader)
-
-        return classLoader
-    }
-}
 
 public abstract class KotlinCompilerBaseTask : Task() {
     protected abstract val compilerFqName: String
@@ -115,7 +83,7 @@ public abstract class KotlinCompilerBaseTask : Task() {
     final override fun execute() {
         fillArguments()
 
-        val compilerClass = CompilerClassLoaderHolder.getOrCreateClassLoader().loadClass(compilerFqName)
+        val compilerClass = KotlinAntTaskUtil.getOrCreateClassLoader().loadClass(compilerFqName)
         val compiler = compilerClass.newInstance()
         val exec = compilerClass.getMethod("execFullPathsInMessages", javaClass<PrintStream>(), javaClass<Array<String>>())