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 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);
}
}
@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);
}
