public static <T> void mergeFrom(InputStream in, T message, Schema<T> schema,
            boolean numeric) throws IOException
    {
        final IOContext context = new IOContext(DEFAULT_SMILE_FACTORY._getBufferRecycler(),
                in, false);
        final SmileParser parser = newSmileParser(in, context.allocReadIOBuffer(), 0, 0,
                true, context);

        // final SmileParser parser = DEFAULT_SMILE_FACTORY.createJsonParser(in);
        try
        {
            JsonIOUtil.mergeFrom(parser, message, schema, numeric);
        }
        finally
        {
            parser.close();
        }
    }
Merges the {@code message} from the {@link InputStream} using the given {@code schema}.
protostuff-json/src/main/java/io/protostuff/SmileIOUtil.java