/*
* 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.openapi.components.ServiceManager;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.module.impl.scopes.LibraryRuntimeClasspathScope;
import com.intellij.openapi.module.impl.scopes.SdkScope;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.roots.ModuleExtensionWithSdkOrderEntry;
import com.intellij.openapi.roots.ProjectFileIndex;
import com.intellij.openapi.roots.ProjectRootManager;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.util.ConcurrencyUtil;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import java.util.List;
import java.util.concurrent.ConcurrentMap;
/**
* @author yole
*/
public class LibraryScopeCache {
public static LibraryScopeCache getInstance(Project project) {
return ServiceManager.getService(project, LibraryScopeCache.class);
}
private final Project myProject;
private final ConcurrentMap<List<Module>, GlobalSearchScope> myLibraryScopes = ContainerUtil.newConcurrentMap();
private final ConcurrentMap<String, GlobalSearchScope> mySdkScopes = ContainerUtil.newConcurrentMap();
private final LibrariesOnlyScope myLibrariesOnlyScope;
public LibraryScopeCache(Project project) {
myProject = project;
myLibrariesOnlyScope = new LibrariesOnlyScope(GlobalSearchScope.allScope(myProject), myProject);
}
public void clear() {
myLibraryScopes.clear();
mySdkScopes.clear();
}
@NotNull
public GlobalSearchScope getLibrariesOnlyScope() {
return myLibrariesOnlyScope;
}
@NotNull
public GlobalSearchScope getScopeForLibraryUsedIn(@NotNull List<Module> modulesLibraryIsUsedIn) {
GlobalSearchScope scope = myLibraryScopes.get(modulesLibraryIsUsedIn);
if (scope != null) {
return scope;
}
GlobalSearchScope newScope = modulesLibraryIsUsedIn.isEmpty()
? myLibrariesOnlyScope
: new LibraryRuntimeClasspathScope(myProject, modulesLibraryIsUsedIn);
return ConcurrencyUtil.cacheOrGet(myLibraryScopes, modulesLibraryIsUsedIn, newScope);
}
@NotNull
public GlobalSearchScope getScopeForSdk(@NotNull final ModuleExtensionWithSdkOrderEntry sdkOrderEntry) {
final String jdkName = sdkOrderEntry.getSdkName();
if (jdkName == null) return GlobalSearchScope.allScope(myProject);
GlobalSearchScope scope = mySdkScopes.get(jdkName);
if (scope == null) {
scope = new SdkScope(myProject, sdkOrderEntry);
return ConcurrencyUtil.cacheOrGet(mySdkScopes, jdkName, scope);
}
return scope;
}
private static class LibrariesOnlyScope extends GlobalSearchScope {
private final GlobalSearchScope myOriginal;
private final ProjectFileIndex myIndex;
private LibrariesOnlyScope(@NotNull GlobalSearchScope original, @NotNull Project project) {
super(project);
myIndex = ProjectRootManager.getInstance(project).getFileIndex();
myOriginal = original;
}
@Override
public boolean contains(@NotNull VirtualFile file) {
return myOriginal.contains(file) && (myIndex.isInLibraryClasses(file) || myIndex.isInLibrarySource(file));
}
@Override
public int compare(@NotNull VirtualFile file1, @NotNull VirtualFile file2) {
return myOriginal.compare(file1, file2);
}
@Override
public boolean isSearchInModuleContent(@NotNull Module aModule) {
return false;
}
@Override
public boolean isSearchOutsideRootModel() {
return myOriginal.isSearchOutsideRootModel();
}
@Override
public boolean isSearchInLibraries() {
return true;
}
}
}