| /* |
| * 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.base.sync.projectstructure; |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.util.concurrent.ListenableFuture; |
| import com.google.idea.blaze.base.io.FileAttributeProvider; |
| import com.google.idea.blaze.base.model.primitives.WorkspacePath; |
| import com.google.idea.blaze.base.model.primitives.WorkspaceRoot; |
| import com.google.idea.blaze.base.prefetch.FetchExecutor; |
| import com.google.idea.blaze.base.projectview.ProjectViewSet; |
| import com.google.idea.blaze.base.settings.Blaze; |
| import com.google.idea.blaze.base.sync.projectview.ImportRoots; |
| import com.intellij.openapi.project.Project; |
| import java.io.File; |
| import java.util.Collection; |
| |
| /** |
| * Directory structure representation used by {@link ContentEntryEditor}. |
| * |
| * <p>The purpose of this class is to pull out all file system operations out of the project |
| * structure commit step, as this step locks the UI. |
| */ |
| public class DirectoryStructure { |
| |
| final ImmutableMap<WorkspacePath, DirectoryStructure> directories; |
| |
| private DirectoryStructure(ImmutableMap<WorkspacePath, DirectoryStructure> directories) { |
| this.directories = directories; |
| } |
| |
| public static ListenableFuture<DirectoryStructure> getRootDirectoryStructure( |
| Project project, WorkspaceRoot workspaceRoot, ProjectViewSet projectViewSet) { |
| return FetchExecutor.EXECUTOR.submit( |
| () -> computeRootDirectoryStructure(project, workspaceRoot, projectViewSet)); |
| } |
| |
| private static DirectoryStructure computeRootDirectoryStructure( |
| Project project, WorkspaceRoot workspaceRoot, ProjectViewSet projectViewSet) { |
| ImportRoots importRoots = |
| ImportRoots.builder(workspaceRoot, Blaze.getBuildSystem(project)) |
| .add(projectViewSet) |
| .build(); |
| Collection<WorkspacePath> rootDirectories = importRoots.rootDirectories(); |
| ImmutableMap.Builder<WorkspacePath, DirectoryStructure> result = ImmutableMap.builder(); |
| for (WorkspacePath rootDirectory : rootDirectories) { |
| walkDirectoryStructure(workspaceRoot, result, rootDirectory); |
| } |
| return new DirectoryStructure(result.build()); |
| } |
| |
| private static void walkDirectoryStructure( |
| WorkspaceRoot workspaceRoot, |
| ImmutableMap.Builder<WorkspacePath, DirectoryStructure> parent, |
| WorkspacePath workspacePath) { |
| File file = workspaceRoot.fileForPath(workspacePath); |
| if (!FileAttributeProvider.getInstance().isDirectory(file)) { |
| return; |
| } |
| ImmutableMap.Builder<WorkspacePath, DirectoryStructure> result = ImmutableMap.builder(); |
| File[] children = FileAttributeProvider.getInstance().listFiles(file); |
| if (children != null) { |
| for (File child : children) { |
| WorkspacePath childWorkspacePath; |
| try { |
| childWorkspacePath = workspaceRoot.workspacePathFor(child); |
| } catch (IllegalArgumentException e) { |
| // stop at directories with unhandled characters. |
| continue; |
| } |
| walkDirectoryStructure(workspaceRoot, result, childWorkspacePath); |
| } |
| } |
| parent.put(workspacePath, new DirectoryStructure(result.build())); |
| } |
| } |