log data copying

Signed-off-by: Sebastian Schüpbach <sebastian.schuepbach@unibas.ch>

src/main/scala/ch/memobase/DisseminationCopyHandler.scala

@@ -19,19 +19,20 @@
 
 package ch.memobase
 
-import java.io.{ByteArrayOutputStream, FileOutputStream, IOException}
-import java.nio.file.{Files, Path, Paths}
-
 import ch.memobase.models.{Conversions, MimeType}
+import org.apache.logging.log4j.scala.Logging
 
+import java.io.{ByteArrayOutputStream, FileOutputStream, IOException}
+import java.nio.file.{Files, Path, Paths}
 import scala.util.{Failure, Success, Try}
 
 /**
  * Manages dissemination copies of media files
  */
-class DisseminationCopyHandler(audioSnippetDuration: Int) {
+class DisseminationCopyHandler(audioSnippetDuration: Int) extends Logging {
 
   private def writeData(data: ByteArrayOutputStream, destFile: Path): Try[Path] = {
+    val inSize = data.size
     Try(new FileOutputStream(destFile.toFile)) match {
       case Success(fos) =>
         try {
@@ -40,6 +41,8 @@ class DisseminationCopyHandler(audioSnippetDuration: Int) {
         } catch {
           case e: IOException => Failure(e)
         } finally {
+          val outSize = fos.getChannel.size
+          logger.info(s"$inSize bytes data read, $outSize bytes written for $destFile")
           fos.close()
           data.close()
         }
@@ -73,7 +76,6 @@ class DisseminationCopyHandler(audioSnippetDuration: Int) {
    * @return true if both files were overwritten, false otherwise
    */
   def createAudioCopy(data: ByteArrayOutputStream, destFile: String, sourceFileType: MimeType, isSnippet: Boolean = false): Try[Boolean] = Try {
-    // FIXME
     val tempFilePath = Files.createTempFile("media-", "." + Conversions.getFileTypeExtension(sourceFileType).get)
     writeData(data, tempFilePath)
     val copyRemoved = removeExistingFile(Paths.get(destFile))