| /* |
| * Copyright 2017 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.io; |
| |
| import com.intellij.openapi.components.ServiceManager; |
| import com.intellij.openapi.vfs.LocalFileSystem; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import java.io.File; |
| import javax.annotation.Nullable; |
| |
| /** Provides indirection for virtual file systems. */ |
| public interface VirtualFileSystemProvider { |
| |
| static VirtualFileSystemProvider getInstance() { |
| return ServiceManager.getService(VirtualFileSystemProvider.class); |
| } |
| |
| LocalFileSystem getSystem(); |
| |
| /** |
| * Like {@link com.intellij.openapi.vfs.VfsUtil#findFileByIoFile} with refresh set to true. |
| * |
| * <p>Note: there are restrictions on the calling context. See comments for |
| * refreshAndFindFileByIoFile. |
| */ |
| @Nullable |
| static VirtualFile findFileByIoFileRefreshIfNeeded(File file) { |
| LocalFileSystem fileSystem = getInstance().getSystem(); |
| VirtualFile virtualFile = fileSystem.findFileByIoFile(file); |
| if (virtualFile == null || !virtualFile.isValid()) { |
| virtualFile = fileSystem.refreshAndFindFileByIoFile(file); |
| } |
| return virtualFile; |
| } |
| } |