Examples with JsonWriter com.yahoo.document.json.JsonWriter used on opensource projects

Example 1 with JsonWriter

use of com.yahoo.document.json.JsonWriter in project vespa by vespa-engine.

the class OperationHandlerImpl method get.

@Override
public Optional<String> get(RestUri restUri, Optional<String> fieldSet) throws RestApiException {
    SyncSession syncSession = syncSessions.alloc();
    setRoute(syncSession, Optional.empty());
    try {
        DocumentId id = new DocumentId(restUri.generateFullId());
        final Document document = syncSession.get(id, fieldSet.orElse(restUri.getDocumentType() + ":[document]"), DocumentProtocol.Priority.NORMAL_1);
        if (document == null) {
            return Optional.empty();
        }
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        JsonWriter jsonWriter = new JsonWriter(outputStream);
        jsonWriter.write(document);
        return Optional.of(outputStream.toString(StandardCharsets.UTF_8.name()));
    } catch (Exception e) {
        throw new RestApiException(Response.createErrorResponse(500, ExceptionUtils.getStackTrace(e), restUri, RestUri.apiErrorCodes.UNSPECIFIED));
    } finally {
        syncSessions.free(syncSession);
    }
}