public void testFileCaseChange() throws Exception {
if (SystemInfo.isFileSystemCaseSensitive) {
System.err.println("Ignored: case-insensitive FS required");
return;
}
File top = createTempDirectory(false);
File file = IoTestUtil.createTestFile(top, "file.txt", "test");
File intermediate = new File(top, "_intermediate_");
LocalFileSystem lfs = LocalFileSystem.getInstance();
VirtualFile topDir = lfs.refreshAndFindFileByIoFile(top);
assertNotNull(topDir);
VirtualFile sourceFile = lfs.refreshAndFindFileByIoFile(file);
assertNotNull(sourceFile);
String newName = StringUtil.capitalize(file.getName());
FileUtil.rename(file, intermediate);
FileUtil.rename(intermediate, new File(top, newName));
topDir.refresh(false, true);
assertFalse(((VirtualDirectoryImpl) topDir).allChildrenLoaded());
assertTrue(sourceFile.isValid());
assertEquals(newName, sourceFile.getName());
topDir.getChildren();
newName = newName.toLowerCase();
FileUtil.rename(file, intermediate);
FileUtil.rename(intermediate, new File(top, newName));
topDir.refresh(false, true);
assertTrue(((VirtualDirectoryImpl) topDir).allChildrenLoaded());
assertTrue(sourceFile.isValid());
assertEquals(newName, sourceFile.getName());
}
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 testCopyToPointDir() throws Exception {
File top = createTempDirectory(false);
File sub = IoTestUtil.createTestDir(top, "sub");
File file = IoTestUtil.createTestFile(top, "file.txt", "hi there");
LocalFileSystem lfs = LocalFileSystem.getInstance();
VirtualFile topDir = lfs.refreshAndFindFileByIoFile(top);
assertNotNull(topDir);
VirtualFile sourceFile = lfs.refreshAndFindFileByIoFile(file);
assertNotNull(sourceFile);
VirtualFile parentDir = lfs.refreshAndFindFileByIoFile(sub);
assertNotNull(parentDir);
assertEquals(2, topDir.getChildren().length);
try {
sourceFile.copy(this, parentDir, ".");
fail("Copying a file into a '.' path should have failed");
} catch (IOException e) {
System.out.println(e.getMessage());
}
topDir.refresh(false, true);
assertTrue(topDir.exists());
assertEquals(2, topDir.getChildren().length);
}
public void testHardLinks() throws Exception {
if (!SystemInfo.isWindows && !SystemInfo.isUnix) {
System.err.println(getName() + " skipped: " + SystemInfo.OS_NAME);
return;
}
final boolean safeWrite = GeneralSettings.getInstance().isUseSafeWrite();
final File dir = FileUtil.createTempDirectory("hardlinks.", ".dir", false);
final SafeWriteRequestor requestor = new SafeWriteRequestor() {};
try {
GeneralSettings.getInstance().setUseSafeWrite(false);
final File targetFile = new File(dir, "targetFile");
assertTrue(targetFile.createNewFile());
final File hardLinkFile =
IoTestUtil.createHardLink(targetFile.getAbsolutePath(), "hardLinkFile");
final VirtualFile file = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(targetFile);
assertNotNull(file);
file.setBinaryContent("hello".getBytes("UTF-8"), 0, 0, requestor);
assertTrue(file.getLength() > 0);
final VirtualFile check =
LocalFileSystem.getInstance().refreshAndFindFileByIoFile(hardLinkFile);
assertNotNull(check);
assertEquals(file.getLength(), check.getLength());
assertEquals("hello", VfsUtilCore.loadText(check));
} finally {
GeneralSettings.getInstance().setUseSafeWrite(safeWrite);
FileUtil.delete(dir);
}
}
public void testChildrenAccessedButNotCached() throws Exception {
File dir = createTempDirectory(false);
ManagingFS managingFS = ManagingFS.getInstance();
VirtualFile vFile =
LocalFileSystem.getInstance()
.refreshAndFindFileByPath(dir.getPath().replace(File.separatorChar, '/'));
assertNotNull(vFile);
assertFalse(managingFS.areChildrenLoaded(vFile));
assertFalse(managingFS.wereChildrenAccessed(vFile));
File child = new File(dir, "child");
boolean created = child.createNewFile();
assertTrue(created);
File subdir = new File(dir, "subdir");
boolean subdirCreated = subdir.mkdir();
assertTrue(subdirCreated);
File subChild = new File(subdir, "subdir");
boolean subChildCreated = subChild.createNewFile();
assertTrue(subChildCreated);
VirtualFile childVFile =
LocalFileSystem.getInstance()
.refreshAndFindFileByPath(child.getPath().replace(File.separatorChar, '/'));
assertNotNull(childVFile);
assertFalse(managingFS.areChildrenLoaded(vFile));
assertTrue(managingFS.wereChildrenAccessed(vFile));
VirtualFile subdirVFile =
LocalFileSystem.getInstance()
.refreshAndFindFileByPath(subdir.getPath().replace(File.separatorChar, '/'));
assertNotNull(subdirVFile);
assertFalse(managingFS.areChildrenLoaded(subdirVFile));
assertFalse(managingFS.wereChildrenAccessed(subdirVFile));
assertFalse(managingFS.areChildrenLoaded(vFile));
assertTrue(managingFS.wereChildrenAccessed(vFile));
vFile.getChildren();
assertTrue(managingFS.areChildrenLoaded(vFile));
assertTrue(managingFS.wereChildrenAccessed(vFile));
assertFalse(managingFS.areChildrenLoaded(subdirVFile));
assertFalse(managingFS.wereChildrenAccessed(subdirVFile));
VirtualFile subChildVFile =
LocalFileSystem.getInstance()
.refreshAndFindFileByPath(subChild.getPath().replace(File.separatorChar, '/'));
assertNotNull(subChildVFile);
assertTrue(managingFS.areChildrenLoaded(vFile));
assertTrue(managingFS.wereChildrenAccessed(vFile));
assertFalse(managingFS.areChildrenLoaded(subdirVFile));
assertTrue(managingFS.wereChildrenAccessed(subdirVFile));
}
public void testUnicodeNames() throws Exception {
final File dirFile = createTempDirectory();
final String name = "te\u00dft123123123.txt";
final File childFile = new File(dirFile, name);
boolean created = childFile.createNewFile();
assert created || childFile.exists() : childFile;
final VirtualFile dir = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(dirFile);
assertNotNull(dir);
final VirtualFile child = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(childFile);
assertNotNull(child);
assertTrue(childFile.delete());
}
public void testRefreshSeesLatestDirectoryContents() throws Exception {
File testDir = FileUtil.createTempDirectory("RefreshChildrenTest." + getName(), null);
String content = "";
FileUtil.writeToFile(new File(testDir, "Foo.java"), content);
LocalFileSystem local = LocalFileSystem.getInstance();
VirtualFile virtualDir = local.findFileByIoFile(testDir);
assert virtualDir != null : testDir;
virtualDir.getChildren();
virtualDir.refresh(false, true);
checkChildCount(virtualDir, 1);
FileUtil.writeToFile(new File(testDir, "Bar.java"), content);
virtualDir.refresh(false, true);
checkChildCount(virtualDir, 2);
}
public void testWindowsHiddenDirectory() throws Exception {
if (!SystemInfo.isWindows) {
System.err.println(getName() + " skipped: " + SystemInfo.OS_NAME);
return;
}
File file = new File("C:\\Documents and Settings\\desktop.ini");
if (!file.exists()) {
System.err.println(getName() + " skipped: missing " + file);
return;
}
String parent = FileUtil.toSystemIndependentName(file.getParent());
VirtualDirectoryImpl.allowRootAccess(parent);
try {
VirtualFile virtualFile = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(file);
assertNotNull(virtualFile);
NewVirtualFileSystem fs = (NewVirtualFileSystem) virtualFile.getFileSystem();
FileAttributes attributes = fs.getAttributes(virtualFile);
assertNotNull(attributes);
assertEquals(FileAttributes.Type.FILE, attributes.type);
assertEquals(FileAttributes.HIDDEN, attributes.flags);
} finally {
VirtualDirectoryImpl.disallowRootAccess(parent);
}
}
public void testBadFileName() throws Exception {
if (!SystemInfo.isUnix) {
System.err.println(getName() + " skipped: " + SystemInfo.OS_NAME);
return;
}
final File dir = FileUtil.createTempDirectory("test.", ".dir");
final File file = FileUtil.createTempFile(dir, "test\\", "\\txt", true);
final VirtualFile vDir = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(dir);
assertNotNull(vDir);
assertEquals(0, vDir.getChildren().length);
((VirtualFileSystemEntry) vDir).markDirtyRecursively();
vDir.refresh(false, true);
final VirtualFile vFile = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(file);
assertNull(vFile);
}
public void testCopyFile() throws Exception {
File fromDir = createTempDirectory();
File toDir = createTempDirectory();
VirtualFile fromVDir =
LocalFileSystem.getInstance()
.findFileByPath(fromDir.getPath().replace(File.separatorChar, '/'));
VirtualFile toVDir =
LocalFileSystem.getInstance()
.findFileByPath(toDir.getPath().replace(File.separatorChar, '/'));
assertNotNull(fromVDir);
assertNotNull(toVDir);
final VirtualFile fileToCopy = fromVDir.createChildData(this, "temp_file");
final byte[] byteContent = {0, 1, 2, 3};
fileToCopy.setBinaryContent(byteContent);
final String newName = "new_temp_file";
final VirtualFile copy = fileToCopy.copy(this, toVDir, newName);
assertEquals(newName, copy.getName());
assertTrue(Arrays.equals(byteContent, copy.contentsToByteArray()));
}
public void testCopyDir() throws Exception {
File fromDir = createTempDirectory();
File toDir = createTempDirectory();
VirtualFile fromVDir =
LocalFileSystem.getInstance()
.findFileByPath(fromDir.getPath().replace(File.separatorChar, '/'));
VirtualFile toVDir =
LocalFileSystem.getInstance()
.findFileByPath(toDir.getPath().replace(File.separatorChar, '/'));
assertNotNull(fromVDir);
assertNotNull(toVDir);
final VirtualFile dirToCopy = fromVDir.createChildDirectory(this, "dir");
final VirtualFile file = dirToCopy.createChildData(this, "temp_file");
file.setBinaryContent(new byte[] {0, 1, 2, 3});
final String newName = "dir";
final VirtualFile dirCopy = dirToCopy.copy(this, toVDir, newName);
assertEquals(newName, dirCopy.getName());
PlatformTestUtil.assertDirectoriesEqual(toVDir, fromVDir);
}
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 void testGetAttributesConvertsToAbsolute() throws Exception {
PersistentFS fs = PersistentFS.getInstance();
LocalFileSystem lfs = LocalFileSystem.getInstance();
NewVirtualFile fakeRoot = fs.findRoot("", lfs);
assertNotNull(fakeRoot);
File userDir = new File(System.getProperty("user.dir"));
File[] files = userDir.listFiles();
File fileToQuery;
if (files != null && files.length != 0) {
fileToQuery = files[0];
} else if (userDir.isDirectory()) {
fileToQuery = FileUtil.createTempFile(userDir, getTestName(false), "", true);
myFilesToDelete.add(fileToQuery);
} else {
// can't test
return;
}
FileAttributes attributes =
lfs.getAttributes(new FakeVirtualFile(fakeRoot, fileToQuery.getName()));
assertNull(attributes);
attributes = lfs.getAttributes(new FakeVirtualFile(fakeRoot, "windows"));
assertNull(attributes);
attributes = lfs.getAttributes(new FakeVirtualFile(fakeRoot, "usr"));
assertNull(attributes);
attributes = lfs.getAttributes(new FakeVirtualFile(fakeRoot, "Users"));
assertNull(attributes);
}
public void testFindRoot() throws IOException {
VirtualFile root = LocalFileSystem.getInstance().findFileByPath("wrong_path");
assertNull(root);
VirtualFile root2;
if (SystemInfo.isWindows) {
root = LocalFileSystem.getInstance().findFileByPath("\\\\unit-133");
assertNotNull(root);
root2 = LocalFileSystem.getInstance().findFileByPath("//UNIT-133");
assertNotNull(root2);
assertEquals(String.valueOf(root2), root, root2);
RefreshQueue.getInstance().processSingleEvent(new VFileDeleteEvent(this, root, false));
root = LocalFileSystem.getInstance().findFileByIoFile(new File("\\\\unit-133"));
assertNotNull(root);
RefreshQueue.getInstance().processSingleEvent(new VFileDeleteEvent(this, root, false));
if (new File("c:").exists()) {
root = LocalFileSystem.getInstance().findFileByPath("c:");
assertNotNull(root);
assertEquals("C:/", root.getPath());
root2 = LocalFileSystem.getInstance().findFileByPath("C:\\");
assertEquals(String.valueOf(root2), root, root2);
}
} else if (SystemInfo.isUnix) {
root = LocalFileSystem.getInstance().findFileByPath("/");
assertNotNull(root);
assertEquals(root.getPath(), "/");
}
root = LocalFileSystem.getInstance().findFileByPath("");
assertNotNull(root);
File jarFile = IoTestUtil.createTestJar();
root = VirtualFileManager.getInstance().findFileByUrl("jar://" + jarFile.getPath() + "!/");
assertNotNull(root);
root2 =
VirtualFileManager.getInstance()
.findFileByUrl("jar://" + jarFile.getPath().replace(File.separator, "//") + "!/");
assertEquals(String.valueOf(root2), root, root2);
if (!SystemInfo.isFileSystemCaseSensitive) {
root2 =
VirtualFileManager.getInstance()
.findFileByUrl("jar://" + jarFile.getPath().toUpperCase(Locale.US) + "!/");
assertEquals(String.valueOf(root2), root, root2);
}
}
public void testRefreshAndFindFile() throws Exception {
File dir = createTempDirectory();
VirtualFile vFile =
LocalFileSystem.getInstance()
.refreshAndFindFileByPath(dir.getPath().replace(File.separatorChar, '/'));
assertNotNull(vFile);
vFile.getChildren();
for (int i = 0; i < 100; i++) {
File subdir = new File(dir, "a" + i);
assertTrue(subdir.mkdir());
}
File subdir = new File(dir, "aaa");
assertTrue(subdir.mkdir());
VirtualFile file =
LocalFileSystem.getInstance()
.refreshAndFindFileByPath(subdir.getPath().replace(File.separatorChar, '/'));
assertNotNull(file);
}
public void testFileLength() throws Exception {
File file = FileUtil.createTempFile("test", "txt");
FileUtil.writeToFile(file, "hello");
VirtualFile virtualFile = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(file);
assertNotNull(virtualFile);
String s = VfsUtilCore.loadText(virtualFile);
assertEquals("hello", s);
assertEquals(5, virtualFile.getLength());
FileUtil.writeToFile(file, "new content");
((PersistentFSImpl) PersistentFS.getInstance()).cleanPersistedContents();
s = VfsUtilCore.loadText(virtualFile);
assertEquals("new content", s);
assertEquals(11, virtualFile.getLength());
}
public void testSingleFileRootRefresh() throws Exception {
File file = FileUtil.createTempFile("test.", ".txt");
VirtualFile virtualFile = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(file);
assertNotNull(virtualFile);
assertTrue(virtualFile.exists());
assertTrue(virtualFile.isValid());
virtualFile.refresh(false, false);
assertFalse(((VirtualFileSystemEntry) virtualFile).isDirty());
FileUtil.delete(file);
assertFalse(file.exists());
virtualFile.refresh(false, false);
assertFalse(virtualFile.exists());
assertFalse(virtualFile.isValid());
}
public void testSymlinkTargetBlink() throws Exception {
if (!SystemInfo.areSymLinksSupported) {
System.err.println("Ignored: symlinks not supported");
return;
}
File top = createTempDirectory(true);
File target = IoTestUtil.createTestDir(top, "target");
File link = IoTestUtil.createSymLink(target.getPath(), top.getPath() + "/link");
LocalFileSystem lfs = LocalFileSystem.getInstance();
VirtualFile vTop = lfs.refreshAndFindFileByIoFile(top);
assertNotNull(vTop);
assertTrue(vTop.isValid());
VirtualFile vTarget = lfs.refreshAndFindFileByIoFile(target);
assertNotNull(vTarget);
assertTrue(vTarget.isValid());
VirtualFile vLink = lfs.refreshAndFindFileByIoFile(link);
assertNotNull(vLink);
assertTrue(vLink.isValid());
assertTrue(vLink.isDirectory());
FileUtil.delete(target);
vTop.refresh(false, true);
assertFalse(vTarget.isValid());
assertFalse(vLink.isValid());
vLink = lfs.refreshAndFindFileByIoFile(link);
assertNotNull(vLink);
assertTrue(vLink.isValid());
assertFalse(vLink.isDirectory());
FileUtil.createDirectory(target);
vTop.refresh(false, true);
assertFalse(vLink.isValid());
vLink = lfs.refreshAndFindFileByIoFile(link);
assertNotNull(vLink);
assertTrue(vLink.isValid());
assertTrue(vLink.isDirectory());
}
@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;
}
@Override
@Nullable
public VirtualFileSystemEntry findRoot(
@NotNull String basePath, @NotNull NewVirtualFileSystem fs) {
String rootUrl = normalizeRootUrl(basePath, fs);
boolean isFakeRoot = basePath.isEmpty();
VirtualFileSystemEntry root;
myRootsLock.readLock().lock();
try {
root = isFakeRoot ? mySuperRoot : myRoots.get(rootUrl);
if (root != null) return root;
} finally {
myRootsLock.readLock().unlock();
}
myRootsLock.writeLock().lock();
try {
root = isFakeRoot ? mySuperRoot : myRoots.get(rootUrl);
if (root != null) return root;
int rootId = FSRecords.findRootRecord(rootUrl);
root = myRootsById.get(rootId);
if (root != null) return root;
if (isFakeRoot) {
// fake super-root
root = new FakeRoot(fs, rootId);
} else if (fs instanceof JarFileSystem) {
// optimization: for jar roots do not store base path in the myName field, use local FS
// file's getPath()
String parentPath = basePath.substring(0, basePath.indexOf(JarFileSystem.JAR_SEPARATOR));
VirtualFile parentLocalFile = LocalFileSystem.getInstance().findFileByPath(parentPath);
if (parentLocalFile == null) return null;
// check one more time since the findFileByPath could have created the root (by reentering
// the findRoot)
root = myRoots.get(rootUrl);
if (root != null) return root;
root = myRootsById.get(rootId);
if (root != null) return root;
root = new JarRoot(fs, rootId, parentLocalFile);
} else {
root = new FsRoot(fs, rootId, basePath);
}
if (isFakeRoot) {
mySuperRoot = root;
} else {
FileAttributes attributes = fs.getAttributes(root);
if (attributes == null || !attributes.isDirectory()) {
return null;
}
final boolean newRoot = writeAttributesToRecord(rootId, 0, root, fs, attributes);
if (!newRoot && attributes.lastModified != FSRecords.getTimestamp(rootId)) {
root.markDirtyRecursively();
}
myRoots.put(rootUrl, root);
myRootsById.put(rootId, root);
if (rootId != root.getId()) throw new AssertionError();
}
return root;
} finally {
myRootsLock.writeLock().unlock();
}
}