private void executeDelete(@NotNull VirtualFile file) {
if (!file.exists()) {
LOG.error("Deleting a file, which does not exist: " + file.getPath());
return;
}
clearIdCache();
int id = getFileId(file);
final VirtualFile parent = file.getParent();
final int parentId = parent == null ? 0 : getFileId(parent);
if (parentId == 0) {
String rootUrl =
normalizeRootUrl(file.getPath(), (NewVirtualFileSystem) file.getFileSystem());
myRootsLock.writeLock().lock();
try {
myRoots.remove(rootUrl);
myRootsById.remove(id);
FSRecords.deleteRootRecord(id);
} finally {
myRootsLock.writeLock().unlock();
}
} else {
removeIdFromParentList(parentId, id, parent, file);
VirtualDirectoryImpl directory = (VirtualDirectoryImpl) file.getParent();
assert directory != null : file;
directory.removeChild(file);
}
FSRecords.deleteRecordRecursively(id);
invalidateSubtree(file);
}
@Override
@NotNull
public VirtualFile[] getRoots() {
myRootsLock.readLock().lock();
try {
Collection<VirtualFileSystemEntry> roots = myRoots.values();
return VfsUtilCore.toVirtualFileArray(roots);
} finally {
myRootsLock.readLock().unlock();
}
}
@Override
@NotNull
public VirtualFile[] getLocalRoots() {
List<VirtualFile> roots = ContainerUtil.newSmartList();
myRootsLock.readLock().lock();
try {
for (NewVirtualFile root : myRoots.values()) {
if (root.isInLocalFileSystem() && !(root.getFileSystem() instanceof TempFileSystem)) {
roots.add(root);
}
}
} finally {
myRootsLock.readLock().unlock();
}
return VfsUtilCore.toVirtualFileArray(roots);
}
@Override
@NotNull
public VirtualFile[] getRoots(@NotNull final NewVirtualFileSystem fs) {
final List<VirtualFile> roots = new ArrayList<VirtualFile>();
myRootsLock.readLock().lock();
try {
for (NewVirtualFile root : myRoots.values()) {
if (root.getFileSystem() == fs) {
roots.add(root);
}
}
} finally {
myRootsLock.readLock().unlock();
}
return VfsUtilCore.toVirtualFileArray(roots);
}
@Override
@Nullable
public VirtualFileSystemEntry findRoot(
@NotNull String basePath, @NotNull NewVirtualFileSystem fs) {
if (basePath.isEmpty()) {
LOG.error("Invalid root, fs=" + fs);
return null;
}
String rootUrl = normalizeRootUrl(basePath, fs);
myRootsLock.readLock().lock();
try {
VirtualFileSystemEntry root = myRoots.get(rootUrl);
if (root != null) return root;
} finally {
myRootsLock.readLock().unlock();
}
final VirtualFileSystemEntry newRoot;
int rootId = FSRecords.findRootRecord(rootUrl);
VfsData.Segment segment = VfsData.getSegment(rootId, true);
VfsData.DirectoryData directoryData = new VfsData.DirectoryData();
if (fs instanceof ArchiveFileSystem) {
String parentPath =
basePath.substring(0, basePath.indexOf(ArchiveFileSystem.ARCHIVE_SEPARATOR));
VirtualFile parentFile = LocalFileSystem.getInstance().findFileByPath(parentPath);
if (parentFile == null) return null;
FileType type = FileTypeRegistry.getInstance().getFileTypeByFileName(parentFile.getName());
if (!(type instanceof ArchiveFileType)) return null;
newRoot = new ArchiveRoot(fs, rootId, segment, directoryData, parentFile);
} else {
newRoot = new FsRoot(fs, rootId, segment, directoryData, basePath);
}
FileAttributes attributes =
fs.getAttributes(
new StubVirtualFile() {
@NotNull
@Override
public String getPath() {
return newRoot.getPath();
}
@Nullable
@Override
public VirtualFile getParent() {
return null;
}
});
if (attributes == null || !attributes.isDirectory()) {
return null;
}
boolean mark = false;
myRootsLock.writeLock().lock();
try {
VirtualFileSystemEntry root = myRoots.get(rootUrl);
if (root != null) return root;
VfsData.initFile(rootId, segment, -1, directoryData);
mark = writeAttributesToRecord(rootId, 0, newRoot, fs, attributes);
myRoots.put(rootUrl, newRoot);
myRootsById.put(rootId, newRoot);
} finally {
myRootsLock.writeLock().unlock();
}
if (!mark && attributes.lastModified != FSRecords.getTimestamp(rootId)) {
newRoot.markDirtyRecursively();
}
LOG.assertTrue(
rootId == newRoot.getId(),
"root=" + newRoot + " expected=" + rootId + " actual=" + newRoot.getId());
return newRoot;
}
