beginner issues with rapture.net (0.10.0)

[Joune Panday]

Hi Jon (and friends..)

I must say I fell in love with rapture during your talk at scala.io!

(actually I had already fallen in love with it last year, but then I somehow forgot about it! -shame)

So this time I decided to try it out for real, as I'm playing with a couchDB instance. 

I'm not using the json part yet (although it's probably the most beautiful part of rapture), but just the http client for now. 

I bumped into 2 little problems (in bold below).. here's what I've got..

scala> import rapture._
import rapture._

scala> import core._, io._, net._, uri._, codec._
import core._
import io._
import net._
import uri._
import codec._

scala> import encodings.`UTF-8`
import encodings.UTF$minus8

scala> import modes.throwExceptions
import modes.throwExceptions

scala> val url = uri"http://localhost:49153"

url: rapture.net.HttpUrl = http://localhost:49153/

scala> url.slurp[Char]

res0: String = 

"{"couchdb":"Welcome","version":"1.2.0"}

"

scala> (url / "_all_dbs").slurp[Char] // this is adding an extra slash :(

java.io.IOException: Server returned HTTP response code: 400 for URL: http://localhost:49153//_all_dbs

...

scala> uri"http://localhost:49153/test".post("""{"hello": "world"}""")

<console>:28: error: an implicit TimeSystem is required; please import timeSystems.numeric or timeSystems.javaUtil

Error occurred in an application involving default arguments.

       uri"http://localhost:49153/test".post("""{"hello": "world"}""")

scala> import timeSystems.numeric

import timeSystems.numeric

scala> uri"http://localhost:49153/test".post("""{"hello": "world"}""")

<console>:29: error: an implicit TimeSystem is required; please import timeSystems.numeric or timeSystems.javaUtil

Error occurred in an application involving default arguments.

       uri"http://localhost:49153/test".post("""{"hello": "world"}""")

                                            ^

scala> implicit val ts = timeSystems.numeric

ts: rapture.core.TimeSystem[Long,Long] = rapture.core.timeSystems$$anon$1@1b85bc73

scala> uri"http://localhost:49153/test".post("""{"hello": "world"}""")

<console>:30: error: an implicit TimeSystem is required; please import timeSystems.numeric or timeSystems.javaUtil

Error occurred in an application involving default arguments.

       uri"http://localhost:49153/test".post("""{"hello": "world"}""")

                                            ^

... :(

Can someone please help me get around that second issue?

Cheers

[Jon Pretty]

Hi Joune,

Thanks for coming back! The JSON library is at least more complete than Rapture IO (I'm happy to call it version 1.0, whereas Rapture IO is still a 0.x release), but now that Rapture JSON is more mature, I'm going to start focusing on Rapture IO more.

The first issue is a bug. I'll file an issue.

And so is the second one, though I think it's an underlying Scala problem with type inference which is causing it. I'm going to change the HTTP Post API to avoid it in a later release, but you should be able to work around the problem for now by specifying the timeout explicitly, like this:

   import timeSystems.numeric

   uri"http://localhost:49153/test".post("""{"hello": "world"}""", timeout = 10000L)

Let me know if that avoids the problem!

Thanks,
Jon

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[Joune]

Excellent, it works with the explicit timeout :)

thanks!

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http://www.arjunpanday.fr

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[Jon Pretty]

Great!

Sorry that part of the API is so rough around the edges at the moment - you're not the first person to experience the same problem!

Cheers,
Jon

[Joune]

No problem, I understand the meaning of 0.10.. 

If I may suggest, a few (more) examples on how it's supposed to be used would be helpful to get people started.. 

I did have to look around the code to find the put and post methods.. 

Still these APIs are very inspiring, thanks for the great work, and for the support!

----------

http:/arjunpanday.tumblr.com

http://www.arjunpanday.fr

[Jon Pretty]

Thanks, Joune! It's still incomplete, but there's currently this:

  https://github.com/propensive/rapture-io/blob/master/doc/introduction.md

Cheers,
Jon