/** * Exports wavelet deltas history. * * @param waveId the id of the wave to export. * @param waveletId the id of the wavelet to export. * @param rpcServerUrl the URL of the JSON-RPC request handler. * @return WaveletSnapshot in Json. * @throws IOException if there is a problem fetching the wavelet. */ public String exportRawSnapshot(WaveId waveId, WaveletId waveletId, String rpcServerUrl) throws IOException { OperationQueue opQueue = new OperationQueue(); opQueue.exportSnapshot(waveId, waveletId); Map<ParamsProperty, Object> response = makeSingleOperationRpc(opQueue, rpcServerUrl); return (String)response.get(ParamsProperty.RAW_SNAPSHOT); }