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);
}
void removeNode(@NotNull FilePointerPartNode node, VirtualFilePointerListener listener) {
boolean rootNodeEmpty = node.remove();
if (rootNodeEmpty) {
myPointers.remove(listener);
} else {
myPointers.get(listener).checkConsistency();
}
}
@Override
public void projectClosed(Project project) {
myProjectDataMap.remove(getProjectPath(project));
final MessageBusConnection conn = myConnections.remove(project);
if (conn != null) {
conn.disconnect();
}
}
@Override
public void dispose() {
synchronized (ourInstances) {
ourInstances.remove(myParent);
for (Object o : myCounts.keys()) {
VirtualFilePointerImpl pointer = (VirtualFilePointerImpl) o;
int disposeCount = myCounts.get(pointer);
int after = pointer.myNode.incrementUsageCount(-disposeCount + 1);
LOG.assertTrue(after > 0, after);
pointer.dispose();
}
}
}
private void restoreCopy(VirtualFile file) {
try {
if (file == null) return; // Externally deleted actually.
if (!file.isWritable()) return; // IDEA was unable to save it as well. So no need to restore.
final byte[] bytes = mySavedCopies.get(file);
if (bytes != null) {
try {
file.setBinaryContent(bytes, -1, mySavedTimestamps.get(file));
} catch (IOException e) {
Messages.showWarningDialog(
ProjectBundle.message("project.reload.write.failed", file.getPresentableUrl()),
ProjectBundle.message("project.reload.write.failed.title"));
}
}
} finally {
mySavedCopies.remove(file);
mySavedTimestamps.remove(file);
}
}