| /* |
| * Copyright 2000-2014 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; |
| |
| import com.intellij.openapi.util.SystemInfo; |
| import com.intellij.openapi.vfs.newvfs.ManagingFS; |
| import com.intellij.openapi.vfs.newvfs.NewVirtualFileSystem; |
| import com.intellij.util.Processor; |
| import com.intellij.util.io.fs.IFile; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.io.File; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Set; |
| |
| import static java.util.Collections.singleton; |
| |
| public abstract class LocalFileSystem extends NewVirtualFileSystem { |
| @NonNls public static final String PROTOCOL = StandardFileSystems.FILE_PROTOCOL; |
| @NonNls public static final String PROTOCOL_PREFIX = StandardFileSystems.FILE_PROTOCOL_PREFIX; |
| |
| @SuppressWarnings("UtilityClassWithoutPrivateConstructor") |
| private static class LocalFileSystemHolder { |
| private static final LocalFileSystem ourInstance = (LocalFileSystem)VirtualFileManager.getInstance().getFileSystem(PROTOCOL); |
| } |
| |
| public static LocalFileSystem getInstance() { |
| return LocalFileSystemHolder.ourInstance; |
| } |
| |
| /** |
| * Checks whether given file is a symbolic link. |
| * |
| * @param file a file to check. |
| * @return <code>true</code> if the file is a symbolic link, <code>false</code> otherwise |
| * @since 11.0 |
| */ |
| @Override |
| public boolean isSymLink(@NotNull final VirtualFile file) { |
| return false; |
| } |
| |
| /** |
| * Checks whether given file is a special file. |
| * |
| * @param file a file to check. |
| * @return <code>true</code> if the file exists and is a special one, <code>false</code> otherwise |
| * @since 11.0 |
| */ |
| @Override |
| public boolean isSpecialFile(@NotNull final VirtualFile file) { |
| return false; |
| } |
| |
| @Nullable |
| public abstract VirtualFile findFileByIoFile(@NotNull File file); |
| |
| @Nullable |
| public abstract VirtualFile findFileByIoFile(@NotNull IFile file); |
| |
| @Nullable |
| public abstract VirtualFile refreshAndFindFileByIoFile(@NotNull File file); |
| |
| @Nullable |
| public abstract VirtualFile refreshAndFindFileByIoFile(@NotNull IFile ioFile); |
| |
| /** |
| * Performs a non-recursive synchronous refresh of specified files. |
| * |
| * @param files files to refresh. |
| * @since 6.0 |
| */ |
| public abstract void refreshIoFiles(@NotNull Iterable<File> files); |
| |
| public abstract void refreshIoFiles(@NotNull Iterable<File> files, boolean async, boolean recursive, @Nullable Runnable onFinish); |
| |
| /** |
| * Performs a non-recursive synchronous refresh of specified files. |
| * |
| * @param files files to refresh. |
| * @since 6.0 |
| */ |
| public abstract void refreshFiles(@NotNull Iterable<VirtualFile> files); |
| |
| public abstract void refreshFiles(@NotNull Iterable<VirtualFile> files, boolean async, boolean recursive, @Nullable Runnable onFinish); |
| |
| /** @deprecated fake root considered harmful (to remove in IDEA 14) */ |
| public final VirtualFile getRoot() { |
| VirtualFile[] roots = ManagingFS.getInstance().getLocalRoots(); |
| assert roots.length > 0 : SystemInfo.OS_NAME; |
| return roots[0]; |
| } |
| |
| public interface WatchRequest { |
| @NotNull |
| String getRootPath(); |
| |
| boolean isToWatchRecursively(); |
| } |
| |
| @Nullable |
| public WatchRequest addRootToWatch(@NotNull final String rootPath, final boolean watchRecursively) { |
| final Set<WatchRequest> result = addRootsToWatch(singleton(rootPath), watchRecursively); |
| return result.size() == 1 ? result.iterator().next() : null; |
| } |
| |
| @NotNull |
| public abstract Set<WatchRequest> addRootsToWatch(@NotNull final Collection<String> rootPaths, final boolean watchRecursively); |
| |
| public void removeWatchedRoot(@Nullable final WatchRequest watchRequest) { |
| if (watchRequest != null) { |
| removeWatchedRoots(singleton(watchRequest)); |
| } |
| } |
| |
| public abstract void removeWatchedRoots(@NotNull final Collection<WatchRequest> watchRequests); |
| |
| @Nullable |
| public WatchRequest replaceWatchedRoot(@Nullable final WatchRequest watchRequest, |
| @NotNull final String rootPath, |
| final boolean watchRecursively) { |
| final Set<WatchRequest> requests = watchRequest != null ? singleton(watchRequest) : Collections.<WatchRequest>emptySet(); |
| final Set<WatchRequest> result = watchRecursively ? replaceWatchedRoots(requests, singleton(rootPath), null) |
| : replaceWatchedRoots(requests, null, singleton(rootPath)); |
| return result.size() == 1 ? result.iterator().next() : null; |
| } |
| |
| public abstract Set<WatchRequest> replaceWatchedRoots(@NotNull final Collection<WatchRequest> watchRequests, |
| @Nullable final Collection<String> recursiveRoots, |
| @Nullable final Collection<String> flatRoots); |
| |
| public abstract void registerAuxiliaryFileOperationsHandler(@NotNull LocalFileOperationsHandler handler); |
| |
| public abstract void unregisterAuxiliaryFileOperationsHandler(@NotNull LocalFileOperationsHandler handler); |
| |
| public abstract boolean processCachedFilesInSubtree(@NotNull VirtualFile file, @NotNull Processor<VirtualFile> processor); |
| } |