Convert to Kotlin

idea/idea-analysis/src/org/jetbrains/jet/plugin/util/ProjectRootsUtil.java

@@ -1,54 +0,0 @@
-/*
- * Copyright 2010-2014 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.jet.plugin.util;
-
-import com.intellij.openapi.application.ApplicationManager;
-import com.intellij.openapi.roots.ProjectFileIndex;
-import com.intellij.openapi.util.Computable;
-import com.intellij.openapi.vfs.VirtualFile;
-import com.intellij.psi.PsiElement;
-import com.intellij.psi.PsiFile;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.jet.plugin.configuration.JetModuleTypeManager;
-
-public class ProjectRootsUtil {
-    private static boolean isInSource(@NotNull PsiElement element) {
-        return isInSource(element, true);
-    }
-
-    public static boolean isInSource(@NotNull final PsiElement element, final boolean includeLibrarySources) {
-        return ApplicationManager.getApplication().runReadAction(new Computable<Boolean>() {
-            @Override
-            public Boolean compute() {
-                PsiFile containingFile = element.getContainingFile();
-                if (containingFile == null) {
-                    return false;
-                }
-                VirtualFile virtualFile = containingFile.getVirtualFile();
-                if (virtualFile == null) {
-                    return false;
-                }
-                ProjectFileIndex index = ProjectFileIndex.SERVICE.getInstance(element.getProject());
-                return includeLibrarySources ? index.isInSource(virtualFile) : index.isInSourceContent(virtualFile);
-            }
-        });
-    }
-
-    public static boolean isInSourceWithGradleCheck(@NotNull PsiElement element) {
-        return isInSource(element) && !JetModuleTypeManager.getInstance().isKtFileInGradleProjectInWrongFolder(element);
-    }
-}

idea/idea-analysis/src/org/jetbrains/jet/plugin/util/ProjectRootsUtil.kt

@@ -0,0 +1,56 @@
+/*
+ * Copyright 2010-2014 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.jet.plugin.util
+
+import com.intellij.openapi.application.ApplicationManager
+import com.intellij.openapi.roots.ProjectFileIndex
+import com.intellij.openapi.util.Computable
+import com.intellij.openapi.vfs.VirtualFile
+import com.intellij.psi.PsiElement
+import com.intellij.psi.PsiFile
+import org.jetbrains.jet.plugin.configuration.JetModuleTypeManager
+import kotlin.platform.platformStatic
+import org.jetbrains.jet.plugin.util.application.runReadAction
+
+public object ProjectRootsUtil {
+    platformStatic
+    private fun isInSource(element: PsiElement): Boolean {
+        return isInSource(element, true)
+    }
+
+    platformStatic
+    public fun isInSource(element: PsiElement, includeLibrarySources: Boolean): Boolean {
+        return runReadAction { (): Boolean ->
+            val containingFile = element.getContainingFile()
+            if (containingFile == null) return@runReadAction false
+
+            val virtualFile = containingFile.getVirtualFile()
+            if (virtualFile == null) return@runReadAction false
+
+            val index = ProjectFileIndex.SERVICE.getInstance(element.getProject())
+            return@runReadAction if (includeLibrarySources)
+                index.isInSource(virtualFile)
+            else
+                index.isInSourceContent(virtualFile)
+        }!!
+    }
+
+    platformStatic
+    public fun isInSourceWithGradleCheck(element: PsiElement): Boolean {
+        return isInSource(element) && !JetModuleTypeManager.getInstance()!!.isKtFileInGradleProjectInWrongFolder(element)
+    }
+}