public String getLinkTarget(String path) throws AccessControlException,
FileNotFoundException, IOException {
GetLinkTargetRequestProto req = GetLinkTargetRequestProto.newBuilder()
.setPath(path).build();
try {
GetLinkTargetResponseProto rsp = rpcProxy.getLinkTarget(null, req);
return rsp.hasTargetPath() ? rsp.getTargetPath() : null;
} catch (ServiceException e) {
throw ProtobufHelper.getRemoteException(e);
}
}