How to reconstruct html file at consumer side in kafka?

If i feed html files in the form of Array[Byte] at producer side in kafka then how to reconstruct html file at consumer side in kafka ?

This is how i am converting html files into Array[Byte]

def getByteArray(fileName: String): Array[Byte] =
 {
   val file: File = new File(fileName)
   val fileinputstream: FileInputStream = new FileInputStream(file)
   IOUtils.toByteArray(fileinputstream)
 }

suggest me solution which will give the file back at consumer side by applying that function. e.g.

def byteArrayToFile(data:Array[Byte]):String={
//suggest
}