Skip to content

Instantly share code, notes, and snippets.

@cdmckay
Created June 24, 2015 04:39
Show Gist options
  • Save cdmckay/4b269e9017a30111556a to your computer and use it in GitHub Desktop.
Save cdmckay/4b269e9017a30111556a to your computer and use it in GitHub Desktop.
Add support for MultipartFormData to the Play Scala WS library
package utilities
import java.io.{ByteArrayOutputStream, File}
import com.ning.http.client.FluentCaseInsensitiveStringsMap
import com.ning.http.multipart.{MultipartRequestEntity, FilePart, StringPart}
import play.api.http.HeaderNames._
import play.api.http.{ContentTypeOf, Writeable}
import play.api.mvc.{Codec, MultipartFormData}
object MultipartFormDataWriteable {
implicit def contentTypeOf_MultipartFormData[A](implicit codec: Codec): ContentTypeOf[MultipartFormData[A]] = {
ContentTypeOf[MultipartFormData[A]](Some("multipart/form-data; boundary=__X_PROCESS_STREET_BOUNDARY__"))
}
implicit def writeableOf_MultipartFormData(implicit contentType: ContentTypeOf[MultipartFormData[File]]): Writeable[MultipartFormData[File]] = {
Writeable[MultipartFormData[File]]((formData: MultipartFormData[File]) => {
val stringParts = formData.dataParts flatMap {
case (key, values) => values map (new StringPart(key, _))
}
val fileParts = formData.files map { filePart =>
new FilePart(filePart.key, filePart.ref, filePart.contentType getOrElse "application/octet-stream", null)
}
val parts = stringParts ++ fileParts
val headers = new FluentCaseInsensitiveStringsMap().add(CONTENT_TYPE, contentType.mimeType.get)
val entity = new MultipartRequestEntity(parts.toArray, headers)
val outputStream = new ByteArrayOutputStream
entity.writeRequest(outputStream)
outputStream.toByteArray
})(contentType)
}
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment