Examples of com.google.protobuf.CodedOutputStream$OutOfSpaceException

com.google.protobuf.CodedOutputStream
If you create a CodedOutputStream around a simple flat array, you must not attempt to write more bytes than the array has space. Otherwise, this exception will be thrown.

            throw new ProtobufWriteException(MESSAGE_NAME, "Required size exceeds buffer size");
        }
        buffer.putInt(serializedSize);
        int bufferPos = buffer.position();
        bufferSize = buffer.limit() - bufferPos;
        CodedOutputStream codedOutput = CodedOutputStream.newInstance(buffer.array(), bufferPos, bufferSize);
        try {
            pbAIS.writeTo(codedOutput);
            // Successfully written, update backing buffer info
            buffer.position(bufferPos + serializedSize);
        } catch(IOException e) {

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    public static byte[] save(ChangeSet changeSet) {
        ArgumentValidation.notNull("changeSet", changeSet);
        checkFields(changeSet);
        int size = changeSet.getSerializedSize();
        byte[] buffer = new byte[size];
        CodedOutputStream stream = CodedOutputStream.newInstance(buffer);
        try {
            changeSet.writeTo(stream);
        } catch(IOException e) {
            // Only throws OutOfSpace, which shouldn't happen
            throw new IllegalStateException(e);

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        int length = body.readableBytes();
        ChannelBuffer header =
            channel.getConfig().getBufferFactory().getBuffer(
                    body.order(),
                    CodedOutputStream.computeRawVarint32Size(length));
        CodedOutputStream codedOutputStream = CodedOutputStream
                .newInstance(new ChannelBufferOutputStream(header));
        codedOutputStream.writeRawVarint32(length);
        codedOutputStream.flush();
        return wrappedBuffer(header, body);
    }

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      writeBoolean(fieldName, value.booleanValue());
   }


   private void writePrimitiveCollection(FieldDescriptor fd, Collection<?> collection, Class elementClass) throws IOException {
      CodedOutputStream out = messageContext.out;
      int fieldNumber = fd.getNumber();
      Type type = fd.getType();
      switch (type) {
         case DOUBLE:
            for (Object value : collection) {  //todo check (value != null && value.getClass() == elementClass)
               out.writeDouble(fieldNumber, (Double) value);
            }
            break;
         case FLOAT:
            for (Object value : collection) {
               out.writeFloat(fieldNumber, (Float) value);
            }
            break;
         case BOOL:
            for (Object value : collection) {
               out.writeBool(fieldNumber, (Boolean) value);
            }
            break;
         case STRING:
            for (Object value : collection) {
               out.writeString(fieldNumber, (String) value);
            }
            break;
         case BYTES:
            for (Object value : collection) {
               if (value instanceof byte[]) {
                  value = ByteString.copyFrom((byte[]) value);
               }
               out.writeBytes(fieldNumber, (ByteString) value);
            }
            break;
         case INT64:
            for (Object value : collection) {
               out.writeInt64(fieldNumber, (Long) value);
            }
            break;
         case UINT64:
            for (Object value : collection) {
               out.writeUInt64(fieldNumber, (Long) value);
            }
            break;
         case FIXED64:
            for (Object value : collection) {
               out.writeFixed64(fieldNumber, (Long) value);
            }
            break;
         case SFIXED64:
            for (Object value : collection) {
               out.writeSFixed64(fieldNumber, (Long) value);
            }
            break;
         case SINT64:
            for (Object value : collection) {
               out.writeSInt64(fieldNumber, (Long) value);
            }
            break;
         case INT32:
            for (Object value : collection) {
               out.writeInt32(fieldNumber, (Integer) value);
            }
            break;
         case FIXED32:
            for (Object value : collection) {
               out.writeFixed32(fieldNumber, (Integer) value);
            }
            break;
         case UINT32:
            for (Object value : collection) {
               out.writeUInt32(fieldNumber, (Integer) value);
            }
            break;
         case SFIXED32:
            for (Object value : collection) {
               out.writeSFixed32(fieldNumber, (Integer) value);
            }
            break;
         case SINT32:
            for (Object value : collection) {
               out.writeSInt32(fieldNumber, (Integer) value);
            }
            break;
         default:
            throw new IllegalStateException("Unexpected field type : " + type);
      }

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   }


   private void writeMessage(String fieldName, FieldDescriptor fd, Object value, Class clazz) throws IOException {
      BaseMarshallerDelegate marshallerDelegate = ctx.getMarshallerDelegate(clazz);
      ByteArrayOutputStream baos = new ByteArrayOutputStream();
      CodedOutputStream out = CodedOutputStream.newInstance(baos);
      marshallerDelegate.marshall(fieldName, fd, value, this, out);
      out.flush();
      messageContext.out.writeTag(fd.getNumber(), WireFormat.WIRETYPE_LENGTH_DELIMITED);
      messageContext.out.writeRawVarint32(baos.size());
      messageContext.out.writeRawBytes(baos.toByteArray());
   }

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        RpcMessage message = (RpcMessage) obj;
        int size = message.getSerializedSize();
        ChannelBuffer buffer = new BigEndianHeapChannelBuffer(4 + size + 4);
        buffer.writeBytes("RPC0".getBytes());
        int writerIndex = buffer.writerIndex();
        CodedOutputStream output = CodedOutputStream.newInstance(
                buffer.array(), buffer.writerIndex(), buffer.writableBytes() - 4);
        message.writeTo(output);
        output.checkNoSpaceLeft();


        buffer.writerIndex(writerIndex + size);
        Adler32 checksum = new Adler32();
        checksum.update(buffer.array(), buffer.arrayOffset(), buffer.readableBytes());
        buffer.writeInt((int) checksum.getValue());

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