Also does it matter if .pb was created using proto lite and android end. I believe the lite version doesn't store fields, so converting it to json using proto-util won't work and i need to make use of reflection.
On Fri, 24 Feb, 2023, 6:54 am ritesh singh, <[email protected]> wrote: > Thanks Adam. I will give it a shot. I thought of using *protoc* > compiler, but what if my proto file contains nested messages > > > > > *message A { B b = 1}* > *message B {* > *}* > > > After running *protoc *on the proto file, it will generate 2 java > classes. I won't know which generated class to use against my .pb file, as > my plugin is only aware of .pb and .proto file. > > Please correct me, if am wrong. > On Friday, February 24, 2023 at 6:42:05 AM UTC+5:30 Adam Cozzette wrote: > >> I suspect that your code is getting an error because it's trying to parse >> a .proto file as a serialized protocol buffer. (This won't work since >> .proto files use a text representation very different from the standard >> protobuf binary format.) Probably the best way to fix this problem would be >> to invoke protoc with --descriptor_set_out to parse the proto file and >> convert it into a serialized FileDescriptorSet. A FileDescriptorSet is just >> a protocol buffer, so once you have it in that form you can easily parse it >> like you would parse any other serialized proto. >> >> On Thu, Feb 23, 2023 at 4:59 PM ritesh singh <[email protected]> wrote: >> >>> Hello, >>> >>> I am working on creating a Android Studio plugin for proto data store. >>> Android uses proto-lite, my current approach, i get the .pb file and >>> .proto file and use the same in intellij plugin to deserialise it. >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> *val psiFile = PsiManager.getInstance(project).findFile(protoFile) val >>> protoFileContent = psiFile!!.text val fileDescriptorProto: >>> DescriptorProtos.FileDescriptorProto = >>> DescriptorProtos.FileDescriptorProto.parseFrom(protoFileContent.byteInputStream()) >>> val fileDescriptor = >>> Descriptors.FileDescriptor.buildFrom(fileDescriptorProto, arrayOfNulls(0)) >>> val messageDescriptor = fileDescriptor.messageTypes[0] val buffer = >>> pbFile.contentsToByteArray() val messageBuilder: DynamicMessage.Builder = >>> DynamicMessage.newBuilder(messageDescriptor) >>> messageBuilder.mergeFrom(buffer) val message = messageBuilder.build() val >>> text: String = TextFormat.printToString(message)* >>> >>> Above code is throwing error in parsing step,* Protocol message tag had >>> invalid wire type.* >>> >>> Thanks in advance. >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Protocol Buffers" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/protobuf/7fe3a019-e846-4792-8d8a-1655a2d93975n%40googlegroups.com >>> <https://groups.google.com/d/msgid/protobuf/7fe3a019-e846-4792-8d8a-1655a2d93975n%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- > You received this message because you are subscribed to the Google Groups > "Protocol Buffers" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/protobuf/5042e4c5-2643-4587-812a-730206f14424n%40googlegroups.com > <https://groups.google.com/d/msgid/protobuf/5042e4c5-2643-4587-812a-730206f14424n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Protocol Buffers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/protobuf/CABaCSzEG%2B19VhXjsYJpphbxA%2B3s7mAmUSiDF_Kmkkr5_Y0A%3Dsg%40mail.gmail.com.
