adapter class to be used in your java side of play project

AmazonS3

package helpers

import java.io.File
import java.io.FileInputStream
import play.api.libs.concurrent.Execution.Implicits._
import org.apache.commons.io.FilenameUtils
import org.apache.commons.io.IOUtils
import fly.play.s3.BucketFile
import fly.play.s3.S3
import fly.play.s3.S3Exception
import fly.play.s3.acl.CanonicalUser
import fly.play.s3.acl.Grant
import fly.play.s3.acl.Permission
import play.Logger
import fly.play.s3.PUBLIC_READ
import scala.concurrent.Future

object AmazonS3 {
  private val bucket = S3("youpet")

  def upload(folder: String, file: File,fileName:String): WaitingForS3 = {
    val timestampedName = FilenameUtils.getBaseName(fileName)+"_"+System.currentTimeMillis()+"."+FilenameUtils.getExtension(fileName)
    val s3Url = bucket.url(s"${folder}/${timestampedName}")
    
    val result:Future[Unit] = bucket + BucketFile(s"${folder}/${timestampedName}",
      extractMimeType(fileName),
      IOUtils.toByteArray(new FileInputStream(file)),Some(PUBLIC_READ))
      
    result.map { unit =>
      Logger.debug(s"Enviou o arquivo $s3Url")
    }.recover {
      case S3Exception(status, code, message, originalXml) => Logger.info("Error: " + message)
    }

    new WaitingForS3(s3Url,result)
  }

  private def extractMimeType(fileName:String) = {
    FilenameUtils.getExtension(fileName).toLowerCase() match {
      case "pdf" => "application/pdf"
      case "png" => "image/png"
      case "jpg" => "image/jpeg"
      case "jpeg" => "image/jpeg"
      case "png"  => "image/png"
    }
  }
}