In many of our supported languages, you can find an option in the
JsonFormat printer to include the default value. e.g.,
https://developers.google.com/protocol-buffers/docs/reference/java/com/google/protobuf/util/JsonFormat.Printer#includingDefaultValueFields--
https://developers.google.com/protocol-buffers/docs/reference/cpp/google.protobuf.util.json_util#JsonPrintOptions.always_print_primitive_fields.details
https://developers.google.com/protocol-buffers/docs/reference/python/google.protobuf.json_format-pysrc#MessageToJson
Hao
On Monday, June 17, 2019 at 11:41:53 AM UTC-7, Joel Dcunha wrote:
>
> Hi,
>
> I have an issue when I am using protobuf for serialization and
> deserialization
>
> Scenario 1:
> "profile" : {
> "subscriptions" : [
> {
> "id" : "xxx",
> "trigger" : {
> "aboveBelow" : "above",
> "threshold" : "200",
> "accounts" : [
> {
> "number" : "029010101029200",
> "pc" : "DDA",
> "spc" : "CA",
> "currency" : "DOP"
> }
> ]
> }
> }]
> }
>
> Scenario 2:
> "profile" : {
> "subscriptions" : [
> {
> "id" : "xxx",
> "trigger" : {
> "aboveBelow" : "above",
> "threshold" : "200",
> "accounts" : [
> {
> "number" : "XXXXX",
> "pc" : "XXX",
> "spc" : "XXX",
> "currency" : "XX",
> "cardNumber":""
> }
> ]
> }
> }]
> }
>
> Now both scenarios are valid but since the default for string in Protobuf
> is empty I cannot write a generic code for the variable cardNumber as in if
> I use the empty string check than my scenario 2 fails and if if I ignore
> the empty check my scenario 1 fails.
> I am expecting the same json before and after
> serailization/deserialization . So is there a way I can have the string
> variables to have a default value when deserializing.
>
> Thanks,
> Joel
>
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