Dispath with custom data sources (example with InputStream)

InputStream2ReqBody.scala

import dispatch._ ,Defaults._
import com.ning.http.client.Request.EntityWriter
import org.apache.commons.compress.utils.IOUtils
import java.io.{InputStream, OutputStream}
 
implicit def InputStream2EntityWriter(in: InputStream): EntityWriter = new EntityWriter {
  override def writeEntity(out: OutputStream): Unit = {
    IOUtils.copy(in,out)
    in.close
    out.close
  }
}
 
val r: Req = //...
val in: InputStream = //...
 
r setBody(in)