| /* |
| * 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.apache.tools.ant.Task |
| import org.jetbrains.kotlin.preloading.ClassPreloadingUtils |
| import org.jetbrains.kotlin.preloading.Preloader |
| import java.io.File |
| import java.lang.ref.SoftReference |
| import java.net.JarURLConnection |
| |
| internal object KotlinAntTaskUtil { |
| private var classLoaderRef = SoftReference<ClassLoader?>(null) |
| |
| private val libPath: File by lazy { |
| // Find path of kotlin-ant.jar in the filesystem and find kotlin-compiler.jar in the same directory |
| val resourcePath = "/" + this::class.java.name.replace('.', '/') + ".class" |
| val jarConnection = this::class.java.getResource(resourcePath).openConnection() as? JarURLConnection |
| ?: throw UnsupportedOperationException("Kotlin compiler Ant task should be loaded from the JAR file") |
| val antTaskJarPath = File(jarConnection.jarFileURL.toURI()) |
| |
| antTaskJarPath.parentFile |
| } |
| |
| val compilerJar: File by jar("kotlin-compiler.jar") |
| val runtimeJar: File by jar("kotlin-runtime.jar") |
| val reflectJar: File by jar("kotlin-reflect.jar") |
| |
| private fun jar(name: String) = lazy { |
| File(libPath, name).apply { |
| if (!exists()) { |
| throw IllegalStateException("File is not found in the directory of Kotlin Ant task: $name") |
| } |
| } |
| } |
| |
| @Synchronized |
| fun getOrCreateClassLoader(): ClassLoader { |
| val cached = classLoaderRef.get() |
| if (cached != null) return cached |
| |
| val myLoader = this::class.java.classLoader |
| if (myLoader !is AntClassLoader) return myLoader |
| |
| val classLoader = ClassPreloadingUtils.preloadClasses(listOf(compilerJar), Preloader.DEFAULT_CLASS_NUMBER_ESTIMATE, myLoader, null) |
| classLoaderRef = SoftReference(classLoader) |
| |
| return classLoader |
| } |
| } |
| |
| internal val Task.defaultModuleName: String? |
| get() = owningTarget?.name ?: project?.name |