How to convert protocol buffers message to byte[]

Question

here is my code i'm still new with this protocol buffer how can i convert the protocol buffer to byte[] so that i can encrypte

for (ClientRequest req : check.getClientRequestGroup().getClientRequests()) {
            ClientRequestProtos.GetUnixDormantUsers.Builder guduBuilder =     ClientRequestProtos.GetUnixDormantUsers.newBuilder();
            guduBuilder.setCheckFiles(true);
            guduBuilder.setCheckProcesses(true);
            guduBuilder.setThreshold(30);
            guduBuilder.addExcludeUser("root");
            guduBuilder.addExcludeUser("bin");
            ClientRequestProtos.GetUnixDormantUsers guduMessage = guduBuilder.build();

            ClientRequestProtos.ClientRequest.Builder clientBuilder = ClientRequestProtos.ClientRequest.newBuilder();
            clientBuilder.setId(req.getId());
            clientBuilder.setSentAt(req.getSentAt().getTime());
            clientBuilder.setType(ClientRequestType.GET_UNIX_DORMANT_USERS);
            clientBuilder.setGetUnixDormantUsers(guduMessage);
            ClientRequestProtos.ClientRequest clientMessage = clientBuilder.build();



String ipAddress = mapHostIp.get(req.getHost());
                GenericUrl url = new GenericUrl("http://"+ ipAddress+":5736/request");
byte[] content; // convert protocol buffers to byte[]


            byte[] encrypted = Encrypt.encrypt(content);
            HttpRequest request = requestFactory.buildPostRequest(url, new ByteArrayContent(null, encrypted));
            request.execute();
        }

Jon Skeet · Accepted Answer · 2014-07-23 05:48:21Z

10

Just call the toByteArray method on the message:

byte[] content = clientMessage.toByteArray();

answered Jul 23, 2014 at 5:48

Jon Skeet

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6 Comments

unknown_11 Over a year ago

is there any way to convert bytearray to Protobuf.

Jon Skeet Over a year ago

@unknown_11: You need to be much more precise about what you're trying to do - but rather than adding a comment on a post from nearly 9 years ago, I suggest you ask a new, detailed question.

unknown_11 Over a year ago

thanks for replying @jon Skeet, actually I am working on an kafka consumer, and I am looking for the way to produce prtobuf data from kafka console producer to test my application

Jon Skeet Over a year ago

@unknown_11: Please don't provide any details here - instead, ask a new question.

unknown_11 Over a year ago

Actually I don't have the access to ask questions that's why I asked in comment section.

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