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!str - Moving the InputStream and OutputStream utilities into Source and Sink

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This commit is contained in:
Viktor Klang 2015-11-17 13:17:30 +01:00
parent cb8d3c4609
commit 8780ba28a4
25 changed files with 432 additions and 310 deletions
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56
akka-stream/src/main/scala/akka/stream/javadsl/Source.scala
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@ -3,7 +3,7 @@
*/
package akka.stream.javadsl
import java.io.File
import java.io.{ OutputStream, InputStream, File }
import akka.actor.{ ActorRef, Cancellable, Props }
import akka.event.LoggingAdapter
@ -260,8 +260,60 @@ object Source {
*
* It materializes a [[Future]] containing the number of bytes read from the source file upon completion.
*/
def file(f: File, chunkSize: Int): Source[ByteString, Future[java.lang.Long]] =
def file(f: File, chunkSize: Int): javadsl.Source[ByteString, Future[java.lang.Long]] =
new Source(scaladsl.Source.file(f, chunkSize)).asInstanceOf[Source[ByteString, Future[java.lang.Long]]]
/**
* Creates a Source from an [[java.io.InputStream]] created by the given function.
* Emitted elements are `chunkSize` sized [[akka.util.ByteString]] elements,
* except the final element, which will be up to `chunkSize` in size.
*
* You can configure the default dispatcher for this Source by changing the `akka.stream.blocking-io-dispatcher` or
* set it for a given Source by using [[ActorAttributes]].
*
* It materializes a [[Future]] containing the number of bytes read from the source file upon completion.
*/
def inputStream(in: function.Creator[InputStream], chunkSize: Int): javadsl.Source[ByteString, Future[java.lang.Long]] =
new Source(scaladsl.Source.inputStream(() ⇒ in.create(), chunkSize)).asInstanceOf[Source[ByteString, Future[java.lang.Long]]]
/**
* Creates a Source from an [[java.io.InputStream]] created by the given function.
* Emitted elements are [[ByteString]] elements, chunked by default by 8192 bytes,
* except the last element, which will be up to 8192 in size.
*
* You can configure the default dispatcher for this Source by changing the `akka.stream.blocking-io-dispatcher` or
* set it for a given Source by using [[ActorAttributes]].
*
* It materializes a [[Future]] containing the number of bytes read from the source file upon completion.
*/
def inputStream(in: function.Creator[InputStream]): javadsl.Source[ByteString, Future[java.lang.Long]] = inputStream(in, 8192)
/**
* Creates a Source which when materialized will return an [[java.io.OutputStream]] which it is possible
* to write the ByteStrings to the stream this Source is attached to.
*
* This Source is intended for inter-operation with legacy APIs since it is inherently blocking.
*
* You can configure the default dispatcher for this Source by changing the `akka.stream.blocking-io-dispatcher` or
* set it for a given Source by using [[ActorAttributes]].
*
* @param writeTimeout the max time the write operation on the materialized OutputStream should block
*/
def outputStream(writeTimeout: FiniteDuration): javadsl.Source[ByteString, OutputStream] =
new Source(scaladsl.Source.outputStream(writeTimeout))
/**
* Creates a Source which when materialized will return an [[java.io.OutputStream]] which it is possible
* to write the ByteStrings to the stream this Source is attached to. The write timeout for OutputStreams
* materialized will default to 5 seconds, @see [[#outputStream(FiniteDuration)]] if you want to override it.
*
* This Source is intended for inter-operation with legacy APIs since it is inherently blocking.
*
* You can configure the default dispatcher for this Source by changing the `akka.stream.blocking-io-dispatcher` or
* set it for a given Source by using [[ActorAttributes]].
*/
def outputStream(): javadsl.Source[ByteString, OutputStream] =
new Source(scaladsl.Source.outputStream())
}
/**