/*
* Copyright 2010-2017 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.cli.jvm.modules
import com.intellij.openapi.vfs.VirtualFile
import com.intellij.psi.PsiJavaModule
import org.jetbrains.kotlin.resolve.jvm.modules.JavaModule
import org.jetbrains.kotlin.resolve.jvm.modules.JavaModuleFinder
import org.jetbrains.kotlin.resolve.jvm.modules.JavaModuleInfo
class CliJavaModuleFinder(jrtFileSystemRoot: VirtualFile?) : JavaModuleFinder {
private val modulesRoot = jrtFileSystemRoot?.findChild("modules")
private val userModules = linkedMapOf<String, JavaModule>()
fun addUserModule(module: JavaModule) {
userModules.putIfAbsent(module.name, module)
}
val allObservableModules: Sequence<JavaModule>
get() = systemModules + userModules.values
val systemModules: Sequence<JavaModule.Explicit>
get() = modulesRoot?.children.orEmpty().asSequence().mapNotNull(this::findSystemModule)
override fun findModule(name: String): JavaModule? =
modulesRoot?.findChild(name)?.let(this::findSystemModule) ?: userModules[name]
private fun findSystemModule(moduleRoot: VirtualFile): JavaModule.Explicit? {
val file = moduleRoot.findChild(PsiJavaModule.MODULE_INFO_CLS_FILE) ?: return null
val moduleInfo = JavaModuleInfo.read(file) ?: return null
return JavaModule.Explicit(moduleInfo, listOf(JavaModule.Root(moduleRoot, isBinary = true)), file)
}
}