| /* |
| * Copyright 2016 The Bazel Authors. All rights reserved. |
| * |
| * 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.google.idea.blaze.java.sync; |
| |
| import com.google.common.base.Strings; |
| import com.google.idea.blaze.base.model.BlazeProjectData; |
| import com.google.idea.blaze.base.projectview.ProjectViewSet; |
| import com.google.idea.blaze.java.projectview.JavaLanguageLevelSection; |
| import com.google.idea.blaze.java.sync.model.BlazeJavaSyncData; |
| import com.intellij.pom.java.LanguageLevel; |
| |
| /** Called by sync plugins to determine the appropriate java language level. */ |
| public class JavaLanguageLevelHelper { |
| |
| public static LanguageLevel getJavaLanguageLevel( |
| ProjectViewSet projectViewSet, |
| BlazeProjectData blazeProjectData, |
| LanguageLevel defaultLanguageLevel) { |
| |
| defaultLanguageLevel = getLanguageLevelFromToolchain(blazeProjectData, defaultLanguageLevel); |
| return JavaLanguageLevelSection.getLanguageLevel(projectViewSet, defaultLanguageLevel); |
| } |
| |
| private static LanguageLevel getLanguageLevelFromToolchain( |
| BlazeProjectData blazeProjectData, LanguageLevel defaultLanguageLevel) { |
| BlazeJavaSyncData blazeJavaSyncData = blazeProjectData.syncState.get(BlazeJavaSyncData.class); |
| if (blazeJavaSyncData != null) { |
| String sourceVersion = blazeJavaSyncData.importResult.sourceVersion; |
| if (!Strings.isNullOrEmpty(sourceVersion)) { |
| switch (sourceVersion) { |
| case "6": |
| return LanguageLevel.JDK_1_6; |
| case "7": |
| return LanguageLevel.JDK_1_7; |
| case "8": |
| return LanguageLevel.JDK_1_8; |
| case "9": |
| return LanguageLevel.JDK_1_9; |
| } |
| } |
| } |
| return defaultLanguageLevel; |
| } |
| } |