public static void doTestInterruptedRefresh(@NotNull File top) throws Exception {
File sub = IoTestUtil.createTestDir(top, "sub");
File subSub = IoTestUtil.createTestDir(sub, "sub_sub");
File file1 = IoTestUtil.createTestFile(sub, "sub_file_to_stop_at");
File file2 = IoTestUtil.createTestFile(subSub, "sub_sub_file");
LocalFileSystem lfs = LocalFileSystem.getInstance();
NewVirtualFile topDir = (NewVirtualFile) lfs.refreshAndFindFileByIoFile(top);
assertNotNull(topDir);
NewVirtualFile subFile1 = (NewVirtualFile) lfs.refreshAndFindFileByIoFile(file1);
assertNotNull(subFile1);
NewVirtualFile subFile2 = (NewVirtualFile) lfs.refreshAndFindFileByIoFile(file2);
assertNotNull(subFile2);
topDir.refresh(false, true);
assertFalse(topDir.isDirty());
assertFalse(subFile1.isDirty());
assertFalse(subFile2.isDirty());
try {
subFile1.markDirty();
subFile2.markDirty();
RefreshWorker.setCancellingCondition(
new Function<VirtualFile, Boolean>() {
@Override
public Boolean fun(VirtualFile file) {
return "sub_file_to_stop_at".equals(file.getName());
}
});
topDir.refresh(false, true);
// should remain dirty after aborted refresh
assertTrue(subFile1.isDirty());
assertTrue(subFile2.isDirty());
RefreshWorker.setCancellingCondition(null);
topDir.refresh(false, true);
assertFalse(topDir.isDirty());
assertFalse(subFile1.isDirty());
assertFalse(subFile2.isDirty());
} finally {
RefreshWorker.setCancellingCondition(null);
}
}
public static void doTestPartialRefresh(@NotNull File top) throws IOException {
File sub = IoTestUtil.createTestDir(top, "sub");
File file = IoTestUtil.createTestFile(top, "sub.txt");
LocalFileSystem lfs = LocalFileSystem.getInstance();
NewVirtualFile topDir = (NewVirtualFile) lfs.refreshAndFindFileByIoFile(top);
assertNotNull(topDir);
NewVirtualFile subDir = (NewVirtualFile) lfs.refreshAndFindFileByIoFile(sub);
assertNotNull(subDir);
NewVirtualFile subFile = (NewVirtualFile) lfs.refreshAndFindFileByIoFile(file);
assertNotNull(subFile);
topDir.refresh(false, true);
assertFalse(topDir.isDirty());
assertFalse(subDir.isDirty());
assertFalse(subFile.isDirty());
subFile.markDirty();
subDir.markDirty();
assertTrue(topDir.isDirty());
assertTrue(subFile.isDirty());
assertTrue(subDir.isDirty());
topDir.refresh(false, false);
assertFalse(subFile.isDirty());
assertTrue(subDir.isDirty()); // should stay unvisited after non-recursive refresh
topDir.refresh(false, true);
assertFalse(topDir.isDirty());
assertFalse(subFile.isDirty());
assertFalse(subDir.isDirty());
}
public void scan() {
final NewVirtualFile root = (NewVirtualFile) myRefreshRoot;
NewVirtualFileSystem delegate = root.getFileSystem();
if (root.isDirty() && !delegate.exists(root)) {
scheduleDeletion(root);
root.markClean();
} else {
if (delegate.getProtocol().equals(LocalFileSystem.PROTOCOL)
&& root.isDirectory()
&& Registry.is("filesystem.useNative")) {
if (SystemInfo.isWindows && Win32LocalFileSystem.isAvailable()) {
delegate = Win32LocalFileSystem.getWin32Instance();
}
}
final PersistentFS persistence = (PersistentFS) ManagingFS.getInstance();
while (!myRefreshQueue.isEmpty()) {
final VirtualFileSystemEntry file = (VirtualFileSystemEntry) myRefreshQueue.pullFirst();
if (!file.isDirty()) continue;
if (file.isDirectory()) {
VirtualDirectoryImpl dir = (VirtualDirectoryImpl) file;
final boolean fullSync = dir.allChildrenLoaded();
if (fullSync) {
Set<String> currentNames = new HashSet<String>(Arrays.asList(persistence.list(file)));
Set<String> uptodateNames =
new HashSet<String>(Arrays.asList(VfsUtil.filterNames(delegate.list(file))));
Set<String> newNames = new HashSet<String>(uptodateNames);
newNames.removeAll(currentNames);
Set<String> deletedNames = new HashSet<String>(currentNames);
deletedNames.removeAll(uptodateNames);
for (String name : deletedNames) {
scheduleDeletion(file.findChild(name));
}
for (String name : newNames) {
boolean isDirectory = delegate.isDirectory(new FakeVirtualFile(file, name));
scheduleCreation(file, name, isDirectory);
}
for (VirtualFile child : file.getChildren()) {
if (!deletedNames.contains(child.getName())) {
scheduleChildRefresh(file, child, delegate);
}
}
} else {
for (VirtualFile child : file.getCachedChildren()) {
if (delegate.exists(child)) {
scheduleChildRefresh(file, child, delegate);
} else {
scheduleDeletion(child);
}
}
final List<String> names = dir.getSuspiciousNames();
for (String name : names) {
if (name.length() == 0) continue;
final VirtualFile fake = new FakeVirtualFile(file, name);
if (delegate.exists(fake)) {
scheduleCreation(file, name, delegate.isDirectory(fake));
}
}
}
} else {
long currentTimestamp = persistence.getTimeStamp(file);
long updtodateTimestamp = delegate.getTimeStamp(file);
if (currentTimestamp != updtodateTimestamp) {
scheduleUpdateContent(file);
}
}
boolean currentWritable = persistence.isWritable(file);
boolean uptodateWritable = delegate.isWritable(file);
if (currentWritable != uptodateWritable) {
scheduleWritableAttributeChange(file, currentWritable, uptodateWritable);
}
file.markClean();
}
}
}