[2.0] multipart/form-data in WS POST

[Mikael Ståldal]

How can I make a POST request to an external Web Service with a
multipart/form-data body?

Using play.api.lib.ws.WS from Scala.

[Sadache Aldrobi]

It is not possible with the current api.

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[Mikael Ståldal]

On 23 Maj, 18:32, Sadache Aldrobi <sadek.dr...@gmail.com> wrote:
> It is not possible with the current api.

I hope it will be added in some future version. I managed to do it by
using parts of Apache Http Client, but it resulted in quite messy
code:

Dependency in Build.scala: "org.apache.httpcomponents" % "httpclient"
% "4.2"

Code:

val boundary = "-----{}}AAA{{}-----"
val multipart = new HttpMultipart("form-data", boundary)
multipart.addBodyPart(new FormBodyPart("file", new
StringBody(myData)))
val buffer = new ByteArrayOutputStream()
multipart.writeTo(buffer)
val data = buffer.toByteArray
WS.url(myUrl).withHeaders((HeaderNames.CONTENT_TYPE, "multipart/
form-data; boundary="+boundary)).post(data)

[James Roper]

I'm pretty sure it is possible, definitely is with the Java API, it's just that you need to encode the body yourself (which for multipart/form-data is no simple task).

On Wednesday, 23 May 2012 18:32:00 UTC+2, Sadache wrote:

It is not possible with the current api.

On Wed, May 23, 2012 at 11:28 AM, Mikael Ståldal <mikael.staldal@appearnetworks.com> wrote:

How can I make a POST request to an external Web Service with a
multipart/form-data body?

Using play.api.lib.ws.WS from Scala.

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[SJ]

Hi.

Is this bug fixed yet ? I am trying to post a photo to facebook using WS play. 

[Julien L.]

You can follow this issue : https://github.com/playframework/playframework/issues/902

[Will Sargent]

I have a pull request open, it needs some more work before it can be accepted.  You can use the underlying client directly using WS.client.

Will.

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[nafg]

Where is the pull request?

[Will Sargent]

It's out of date now: https://github.com/playframework/playframework/pull/1510

The way to do this is something like:

val asyncHttpClient = WS.client.underlying

val postBuilder = asyncHttpClient.preparePost("http://localhost/upload")

val builder = builder.addBodyPart(new FilePart("name", new File("file")))

asyncHttpClient.executeRequest(builder.build());

Will Sargent

Consultant, Professional Services

Typesafe, the company behind Play Framework, Akka and Scala

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