| /* |
| * Copyright 2000-2013 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.vfs.newvfs; |
| |
| import com.intellij.openapi.application.ApplicationManager; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.io.DataInputStream; |
| import java.io.DataOutputStream; |
| |
| /** |
| * @author max |
| */ |
| public abstract class ManagingFS implements FileSystemInterface { |
| private static class ManagingFSHolder { |
| private static final ManagingFS ourInstance = ApplicationManager.getApplication().getComponent(ManagingFS.class); |
| } |
| |
| public static ManagingFS getInstance() { |
| return ManagingFSHolder.ourInstance; |
| } |
| |
| @Nullable |
| public abstract DataInputStream readAttribute(@NotNull VirtualFile file, @NotNull FileAttribute att); |
| |
| @NotNull |
| public abstract DataOutputStream writeAttribute(@NotNull VirtualFile file, @NotNull FileAttribute att); |
| |
| public abstract int getModificationCount(@NotNull VirtualFile fileOrDirectory); |
| |
| // Only counts modifications done in current IDEA session |
| public abstract int getCheapFileSystemModificationCount(); |
| |
| public abstract int getFilesystemModificationCount(); |
| |
| public abstract long getCreationTimestamp(); |
| |
| public abstract boolean areChildrenLoaded(@NotNull VirtualFile dir); |
| |
| public abstract boolean wereChildrenAccessed(@NotNull VirtualFile dir); |
| |
| @Nullable |
| public abstract NewVirtualFile findRoot(@NotNull String basePath, @NotNull NewVirtualFileSystem fs); |
| |
| @NotNull |
| public abstract VirtualFile[] getRoots(); |
| |
| @NotNull |
| public abstract VirtualFile[] getRoots(@NotNull NewVirtualFileSystem fs); |
| |
| @NotNull |
| public abstract VirtualFile[] getLocalRoots(); |
| |
| @Nullable |
| public abstract VirtualFile findFileById(int id); |
| } |