| /* |
| * Copyright 2000-2010 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.libraries; |
| |
| import com.intellij.openapi.roots.libraries.*; |
| import com.intellij.openapi.util.Pair; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.util.SmartList; |
| import com.intellij.util.containers.ContainerUtil; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * @author nik |
| */ |
| public class LibraryDetectionManagerImpl extends LibraryDetectionManager { |
| private final Map<List<VirtualFile>, List<Pair<LibraryKind, LibraryProperties>>> myCache = new HashMap<List<VirtualFile>, List<Pair<LibraryKind, LibraryProperties>>>(); |
| |
| @Override |
| public boolean processProperties(@NotNull List<VirtualFile> files, @NotNull LibraryPropertiesProcessor processor) { |
| for (Pair<LibraryKind, LibraryProperties> pair : getOrComputeKinds(files)) { |
| //noinspection unchecked |
| if (!processor.processProperties(pair.getFirst(), pair.getSecond())) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| @Nullable |
| @Override |
| public Pair<LibraryType<?>, LibraryProperties<?>> detectType(@NotNull List<VirtualFile> files) { |
| Pair<LibraryType<?>, LibraryProperties<?>> result = null; |
| for (LibraryType<?> type : LibraryType.EP_NAME.getExtensions()) { |
| final LibraryProperties<?> properties = type.detect(files); |
| if (properties != null) { |
| if (result != null) { |
| return null; |
| } |
| result = Pair.<LibraryType<?>, LibraryProperties<?>>create(type, properties); |
| } |
| } |
| return result; |
| } |
| |
| private List<Pair<LibraryKind, LibraryProperties>> getOrComputeKinds(List<VirtualFile> files) { |
| List<Pair<LibraryKind, LibraryProperties>> result = myCache.get(files); |
| if (result == null) { |
| result = computeKinds(files); |
| myCache.put(files, result); |
| } |
| return result; |
| } |
| |
| private static List<Pair<LibraryKind, LibraryProperties>> computeKinds(List<VirtualFile> files) { |
| final SmartList<Pair<LibraryKind, LibraryProperties>> result = new SmartList<Pair<LibraryKind, LibraryProperties>>(); |
| final LibraryType<?>[] libraryTypes = LibraryType.EP_NAME.getExtensions(); |
| final LibraryPresentationProvider[] presentationProviders = LibraryPresentationProvider.EP_NAME.getExtensions(); |
| for (LibraryPresentationProvider provider : ContainerUtil.concat(libraryTypes, presentationProviders)) { |
| final LibraryProperties properties = provider.detect(files); |
| if (properties != null) { |
| result.add(Pair.create(provider.getKind(), properties)); |
| } |
| } |
| return result; |
| } |
| } |