You can try:

InfoClass.Builder builder = info.toBuilder();
builder.getKeyBuilder().getPrivateBuilder().setD(ByteString.copyFrom(decryptedPrivateKey));
info = builder.build();

On Thu, Jan 6, 2011 at 5:06 AM, Scratch <scratch....@gmail.com> wrote:

> Hi there!
> I've seen that there're new sub-builders for sub-messages (Java) but
> couldn`t figure out how to use them properly. My task is to replace a
> single field in a message and right now I solve it like this:
>
> //replace encrypted key with decrypted one
> info =
>
> info.toBuilder().setKey(info.getKey().toBuilder().setPrivate(ECPrivateKey.newBuilder().setD(ByteString.copyFrom(decryptedPrivateKey)).build()).build()).build();
>
> which looks pretty ugly to me.
> Will new sub-builders help me in this situation?
> Thanks in advance.
>
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