package part2.recode.kotlin

import java.io.*

class Recoder(private val charsetInput: String, private val charsetOutput: String) {

@Throws(IOException::class)

fun recode(`in`: InputStream, out: OutputStream): Int {

InputStreamReader(`in`, charsetInput).use { reader ->

OutputStreamWriter(out, charsetOutput).use { writer ->

var sym = reader.read()

var count = 0

while (sym != -1) {

writer.write(sym)

count++

sym = reader.read()

}

return count

}

}

}

@Throws(IOException::class)

fun recode(inputName: String, outputName: String): Int {

FileInputStream(inputName).use { inputStream ->

FileOutputStream(outputName).use { outputStream ->

return recode(inputStream, outputStream)

}

}

}

}