moved highlighters to java-psi

java/java-analysis-api/src/com/intellij/openapi/module/LanguageLevelUtil.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2000-2013 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 com.intellij.openapi.module;
+
+import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.pom.java.LanguageLevel;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+/**
+ * @author yole
+ */
+public class LanguageLevelUtil extends EffectiveLanguageLevelUtil {
+  private LanguageLevelUtil() { }
+
+  @NotNull
+  public static LanguageLevel getLanguageLevelForFile(@Nullable VirtualFile file) {
+    if (file == null) return LanguageLevel.HIGHEST;
+
+    if (file.isDirectory()) {
+      LanguageLevel languageLevel = file.getUserData(LanguageLevel.KEY);
+      return languageLevel != null ? languageLevel : LanguageLevel.HIGHEST;
+    }
+
+    return getLanguageLevelForFile(file.getParent());
+  }
+}