Hi Thanks a lot for your time.

Yes the approach looks very clean as the api getField and setField are
in built. I think we would go with this approach.

But i am just curious to know whether protobuf published anywhere the
algorithm for deriving getter and setter method names.

Thanks,
Ravikumar K

On Mar 15, 3:09 pm, Dmitriy Ryaboy <dvrya...@gmail.com> wrote:
> We needed to do something similar for our project "Elephant-Bird" that
> provides support for working with Protocol Buffers in Hadoop.
>
> Protobufs have Descriptors that allow you to determine all of these things
> on the fly, without encoding method naming rules and such.
>
> Here is the relevant snippet 
> fromhttps://github.com/kevinweil/elephant-bird/blob/master/src/java/com/t...
>
> public static Message addField(Message m, String name, Object value) {
>     Message.Builder builder = m.toBuilder();
>     setFieldByName(builder, name, value);
>     return builder.build();
>
> }
>
> public static void setFieldByName(Message.Builder builder, String
> name, Object value) {
>     FieldDescriptor fieldDescriptor =
> builder.getDescriptorForType().findFieldByName(name);
>     if (value == null) {
>       builder.clearField(fieldDescriptor);
>     } else {
>       builder.setField(fieldDescriptor, value);
>     }
>   }
> *
> *
>
> On Tue, Mar 15, 2011 at 2:19 AM, Ravi <ravikumarkulan...@gmail.com> wrote:
> > Hi,
>
> > We would like to know how to determine the getter and setter method
> > names generated in java builder class for a particular field defined
> > in proto message.
>
> > Of course, the simple rule says that
> > * Convert first letter of the field name to upper case
> > * prefix "get" or "set" to the field name
>
> > But we want to know all the cases considered while generating builder
> > class.
> > Like what are the special characters considered? what are the
> > exceptional cases?
>
> > Why we want this is,
> > In our framework we would be programmatically generating proto files
> > from the xsds which we have already.
>
> > Along with this we would be generating an adapter class between our
> > framework and the java class generated by protoc compiler.
>
> > This adapter would call getter and setter methods of the builder class
> > available in the builder class to retrieve the value and to build the
> > object.
>
> > Any help would be appreciated.
>
> > Thanks,
> > Ravikumar K
>
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