Read a file in Kotlin

ReadFile.kt

try {
			val inputStream:InputStream = assets.open("news_data_file.json")
			val inputStreamReader = InputStreamReader(inputStream)
			val sb = StringBuilder()
			var line: String?
			val br = BufferedReader(inputStreamReader)
			line = br.readLine()
			while (br.readLine() != null) {
					sb.append(line)
					line = br.readLine()
			}
			br.close()
            Log.d(TAG,sb.toString())
    } catch (e:Exception){
            Log.d(TAG, e.toString())
    }