| /* |
| * Copyright 2000-2012 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.roots.impl; |
| |
| import com.intellij.internal.statistic.AbstractApplicationUsagesCollector; |
| import com.intellij.internal.statistic.beans.GroupDescriptor; |
| import com.intellij.internal.statistic.beans.UsageDescriptor; |
| import com.intellij.openapi.module.Module; |
| import com.intellij.openapi.module.ModuleManager; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.roots.LanguageLevelModuleExtension; |
| import com.intellij.openapi.roots.LanguageLevelProjectExtension; |
| import com.intellij.pom.java.LanguageLevel; |
| import com.intellij.util.Function; |
| import com.intellij.util.containers.ContainerUtil; |
| import com.intellij.util.containers.HashSet; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.Set; |
| |
| public class LanguageLevelUsagesCollector extends AbstractApplicationUsagesCollector { |
| public static final String GROUP_ID = "language-level"; |
| |
| @NotNull |
| @Override |
| public GroupDescriptor getGroupId() { |
| return GroupDescriptor.create(GROUP_ID, GroupDescriptor.HIGHER_PRIORITY); |
| } |
| |
| |
| @NotNull |
| public Set<UsageDescriptor> getProjectUsages(@NotNull Project project) { |
| |
| final Set<String> languageLevels = new HashSet<String>(); |
| for (Module module : ModuleManager.getInstance(project).getModules()) { |
| final LanguageLevelModuleExtension instance = LanguageLevelModuleExtension.getInstance(module); |
| final LanguageLevel languageLevel = instance.getLanguageLevel(); |
| if (languageLevel != null) { |
| languageLevels.add(languageLevel.toString()); |
| } |
| } |
| languageLevels.add(LanguageLevelProjectExtension.getInstance(project).getLanguageLevel().toString()); |
| |
| return ContainerUtil.map2Set(languageLevels, new Function<String, UsageDescriptor>() { |
| @Override |
| public UsageDescriptor fun(String languageLevel) { |
| return new UsageDescriptor(languageLevel, 1); |
| } |
| }); |
| } |
| } |