as31: Implement ConvertJavaToKotlinProvider

(cherry picked from commit 34dfa24)

idea/idea-android/src/org/jetbrains/kotlin/android/ConvertJavaToKotlinProviderImpl.kt.as31

@@ -0,0 +1,47 @@
+/*
+ * 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.android
+
+import com.android.tools.idea.npw.template.ConvertJavaToKotlinProvider
+import com.intellij.openapi.project.Project
+import com.intellij.psi.PsiFile
+import com.intellij.psi.PsiJavaFile
+import org.jetbrains.kotlin.android.configure.KotlinAndroidGradleModuleConfigurator
+import org.jetbrains.kotlin.idea.actions.JavaToKotlinAction
+import org.jetbrains.kotlin.idea.configuration.ConfigureKotlinStatus
+import org.jetbrains.kotlin.idea.configuration.KotlinProjectConfigurator
+import org.jetbrains.kotlin.idea.configuration.excludeSourceRootModules
+import org.jetbrains.kotlin.idea.util.projectStructure.allModules
+import org.jetbrains.kotlin.idea.versions.bundledRuntimeVersion
+
+class ConvertJavaToKotlinProviderImpl : ConvertJavaToKotlinProvider {
+    override fun configureKotlin(project: Project) {
+        val configurator = KotlinProjectConfigurator.EP_NAME.findExtension(KotlinAndroidGradleModuleConfigurator::class.java)
+        val nonConfiguredModules = project.allModules().excludeSourceRootModules().filter {
+            configurator.getStatus(it) == ConfigureKotlinStatus.CAN_BE_CONFIGURED
+        }
+        configurator.configureSilently(project, nonConfiguredModules, bundledRuntimeVersion())
+    }
+
+    override fun getKotlinVersion(): String {
+        return bundledRuntimeVersion()
+    }
+
+    override fun convertToKotlin(project: Project, files: List<PsiJavaFile>): List<PsiFile> {
+        return JavaToKotlinAction.convertFiles(files, project, askExternalCodeProcessing = false)
+    }
+}