ResourcesHelper.kt

import android.util.Log
import androidx.test.platform.app.InstrumentationRegistry
import java.io.BufferedReader
import java.io.IOException
import java.io.InputStreamReader
object ResourcesHelper {
  
	fun loadFileAsString(path: String): String? {
        var bufferedReader: BufferedReader? = null
        try {
            val stringBuilder = StringBuilder()
            bufferedReader = BufferedReader(
              InputStreamReader(InstrumentationRegistry.getInstrumentation()
                    .context.assets.open(path)))
            var isFirst = true
            var line: String?
			do {
            	line = bufferedReader?.readLine()
                if (line == null)
                    break
                if (isFirst)
                    isFirst = false
                else
                    stringBuilder.append('\n')
                stringBuilder.append(line)
            } while (true)
			return stringBuilder.toString()
        } catch (e: Exception) {
            Log.e("FakeInterceptor", e.message.plus("> Error opening asset $path."))
        } finally {
            if (bufferedReader != null) {
                try {
                    bufferedReader?.close()
                } catch (e: IOException) {
                    Log.e("FakeInterceptor", e.message.plus("> Error closing  $path."))
                }
            }
        }
        return null
    } 
    
}