Converting WSResponse to Result

[Chun How Ng]

Hi,

I have a WSResponse object from executing an HTTP call via WSClient's get() and it contains a HTML page.

I'm wondering Is there any solution in Java to convert play.libs.ws.WSResponse object to a play.mvc.Result? 

I have tried some Scala implementations based on this & this. They don't seem to work on me.

*I'm on Play v2.5.8 

[Will Sargent]

You can do this by mapping through the response using thenApply:

public CompletionStage<Result> index() {
    return ws.url(feedUrl).get().thenApply(response ->
        ok("Feed title: " + response.asJson().findPath("title").asText())
    );
}

https://www.playframework.com/documentation/2.5.x/JavaWS#using-in-a-controller

--

Will Sargent

Engineer, Lightbend, Inc.

will.s...@lightbend.com

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[Chun How Ng]

Thanks, I get that. But I guess what I'm trying to achieve is to display/render the response (html page) as it is in the browser.

ie: based on the code stub you gave, assuming feedUrl = "https://playframework.com/", I want to render this page (the response) when index() from the controller is called.

On Wednesday, 25 January 2017 01:43:00 UTC+8, Will Sargent wrote:

You can do this by mapping through the response using thenApply:

public CompletionStage<Result> index() {
    return ws.url(feedUrl).get().thenApply(response ->
        ok("Feed title: " + response.asJson().findPath("title").asText())
    );
}

https://www.playframework.com/documentation/2.5.x/JavaWS#using-in-a-controller

--

Will Sargent

Engineer, Lightbend, Inc.

will.s...@lightbend.com

On Tue, Jan 24, 2017 at 2:36 AM, Chun How Ng <chunh...@gmail.com> wrote:

Hi,

I have a WSResponse object from executing an HTTP call via WSClient's get() and it contains a HTML page.

I'm wondering Is there any solution in Java to convert play.libs.ws.WSResponse object to a play.mvc.Result? 

I have tried some Scala implementations based on this & this. They don't seem to work on me.

*I'm on Play v2.5.8 

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[Will Sargent]

I don't see the problem -- in that case you'd render new Html(response.getBody()) instead of the string.

--

Will Sargent

Engineer, Lightbend, Inc.

will.s...@lightbend.com

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[Greg Methvin]

If you want a 2.5.x version of the code in #4787, it would look something like this:

def responseToResult(response: WSResponse): Result = {
  val headers = response.allHeaders map { h => (h._1, h._2.head) }
  val entity = HttpEntity.Strict(
    ByteString(response.body.getBytes),
    response.allHeaders.get("Content-Type").map(_.head)
  )
  Result(ResponseHeader(response.status, headers), entity)
}

You also might want to consider using ws.stream() and HttpEntity.Streamed if you're dealing with large amounts of data you don't want to read into memory on the server.

To view this discussion on the web visit https://groups.google.com/d/msgid/play-framework/CAJmgB63%3DD6BrL34TvgqPhRa_mRoB9d-a%3DOvVryBU7Mn39QBstg%40mail.gmail.com.

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--

Greg Methvin

Tech Lead - Play Framework

Lightbend, Inc.