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From: "Passchier, I. (Igor)" <igor.passchier@tno.nl>
To: ghania ferrag <gferrag@yahoo.ca>, "users@ace.apache.org"
	<users@ace.apache.org>
Subject: Re: How to query the distributions/targets with the Client Rest API?
Thread-Topic: How to query the distributions/targets with the Client Rest
 API?
Thread-Index: AQHOqloY2VXj8ucv7kWU+yIxRWNoBJm4K5IAgAPLcQCAADWrgIABSr6AgABJRes=
Date: Mon, 9 Sep 2013 18:30:45 +0000
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Hi Ghania,

To debug any rest interface, you could use the rest api plugin for chrome. =
This enables you to query any rest api on the fly, without programming the =
client side yourself. Probably something similar is also available for Fire=
fox, but I never tried to find that.

if you understand the details of the api in this way, you can implement it =
in your code afterwards.

Regards,

Igor Passchier

----- Reply message -----
Van: "ghania ferrag" <gferrag@yahoo.ca>
Aan: "users@ace.apache.org" <users@ace.apache.org>
Onderwerp: How to query the distributions/targets with the Client Rest API?
Datum: ma, sep. 9, 2013 18:09

Hi Mike and Thank you very much for your response :)

I tried "left" and "right" instead of "leftEndpoint" and "rightEndpoint", a=
s parameters in the form, but it is still not working with the same error m=
essage.
I even created an other java client ( not using jersey) to communicate with=
 REST API of ACE, no luck..
Is there a more suitable Client REST API than Jersey ?  A sample of code wi=
ll really help.
Thank you again for your response,
My best Regards,
Ghania


________________________________
De : Mike van Dongen <ace@mikevandongen.nl>
=C0 : "users@ace.apache.org" <users@ace.apache.org>
Envoy=E9 le : dimanche 8 Septembre 2013 16h24
Objet : RE: How to query the distributions/targets with the Client Rest API=
?


Hi Ghania!
I ran into the same problems when I started using ACE 1 or 2 months ago.

> Hi every one,
>
> Thank you Mike, Elmar for your response.
>
> I=92m having an exception when doing a post to client/work/rest-ID/distru=
bution2target with setting a form with the form parameters : leftEndpoint, =
rightEndpoint, leftCardinality, rightCardinality
>
> The exception is <p>Problem accessing /client/work/rest-1/distribution2ta=
rget. Reason:
> <pre>    Unable to parse repository object!</pre></p><h3>Caused by:</h3><=
pre>java.io.IOException: Unable to parse repository object!
> at org.apache.ace.client.rest.RESTClientServlet.getRepositoryValueObject(=
RESTClientServlet.java:486)
> at org.apache.ace.client.rest.RESTClientServlet.doPost(RESTClientServlet.=
java:353)
> =85..Caused by: com.google.gson.JsonParseException: Expecting object foun=
d: "leftEndpoint"

If I recall correctly, you should use the parameters 'left' and 'right'.The=
 values of those parameters need to be the definitions of the distribution =
and target respectively.

> Also when I do I post to Client/work, I=92m getting this with no sessionI=
D :
>  ["artifact", "feature", "distribution", "target", "artifact2feature", "f=
eature2distribution", "distribution2target"]
> How to get the new Workspace with the sessionID, what I=92m missing in my=
 post?
> Any idea how to fix this error?
Once a new workspace is created, the client will be redirected to this work=
space.The URL you're being redirected to is "client/work/rest-ID", where re=
st-ID is the ID of your workspace.In my case I was able to retrieve the URL=
 that was last used and set it as the base URI.
I'm unfamiliar with Jersey but this might help:https://jersey.java.net/nona=
v/apidocs/1.1.1-ea/jersey/com/sun/jersey/api/client/WebResource.html#getURI=
()

Good luck!Mike.
> Thank you again for your response,
> My Best Regards,
> Ghania
>
>
>
> ________________________________
>  De : Elmar Zeeb <elmar.zeeb@pipesbox.de>
> =C0 : users@ace.apache.org
> Envoy=E9 le : vendredi 6 Septembre 2013 3h15
> Objet : Re: How to query the distributions/targets with the Client Rest A=
PI?
>
>
> Hi Ghania,
>
> Am 05.09.2013 19:04, schrieb ghania ferrag:
> > Hi all,
> >
> > I=92m working on new web UI ( I used Vaadin for this UI) to allow our u=
sers to send distributions to specific targets.
> > In our UI we have just to display all existing distributions and I wond=
er how to query the distributions with the Client Rest API?
> > I read the following link:
> > https://cwiki.apache.org/confluence/display/ACE/Client+REST+API
> >
> >
> >
> > Some one can tell me what is wrong with this REST-client code (I used J=
ersey):
> > 1) I suspect the path is wrong: "ace/workspaceID/distribution" ?
> > 2) or may be REST-server is not set ?
> >
> > import javax.ws.rs.core.UriBuilder;
> > import com.sun.jersey.api.client.Client;
> > import com.sun.jersey.api.client.WebResource;
> > import com.sun.jersey.api.client.config.ClientConfig;
> > import com.sun.jersey.api.client.config.DefaultClientConfig;
> > public class ClientTest{
> >    public static void main(String[] args) {
> >    getDistributions();
> >    }
> >
> >    public static void  getDistributions() {
> >      ClientConfig config =3D new DefaultClientConfig();
> >      Client client =3D Client.create(config);
> >      WebResource service =3D client.resource(getBaseURI());
> >      // Get JSONfor application
> >      System.out.println(service.path("workspaceID").path("distribution"=
).accept(MediaType.APPLICATION_JSON).get(String.class));
> >      // Get XML for application
> >      System.out.println(service.path("workspaceID").path("distribution"=
).accept(MediaType.APPLICATION_XML).get(String.class));
> >    }
> >    private static URI getBaseURI() {
> >      return UriBuilder.fromUri("http://localhost:8080/ace").build();
> >    }
> >
> > Thanks and Regards,
> > Ghania
> You should create a association between a distribution and a target,
> this is called distribution2target and is a resource that can be created
> with a post to ace/workspaceID/distribution2target (see
> http://ace.apache.org/user-doc/restapi.html).
>
> Regards,
> Elmar

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