Scala > Encode file to base64

Base64File.scala

package util

import java.io._
import java.util._

object Base64File {

  def encode(sourcePath: String, targetPath: String) = {
    val inputStream = new FileInputStream(sourcePath)
    val outputStream = new FileOutputStream(targetPath)
    val buffer = new Array[Byte](3000) // must be multiple of 3 bytes
    while (inputStream.read(buffer) >= 0) {
      val encoded = Base64.getEncoder.encode(buffer)
      outputStream.write(encoded)
    }
    inputStream.close()
    outputStream.close()
  }
}