Hi Jonathan,
I'm not sure to clearly understand what you say.
The framework actually includes a content negotiation algorithm which
is in charge to compare the clients preferences (media-type and
languages only) on one side with the list of supported variants
declared by the resource on the other side and to determine the
preferred variant [1]. Once the choice is done, the framework calls
the Resource#represent(Variant) method (instead of deprecated
"getRepresentation(Variant)"...) which is the place where you decide
to generate the representation according to the variant passed as
parameter.
In this case, the variant contains only one Language metadata
(Language.FRENCH or Language.ENGLISH) which allows to make the tests
with the "contains" method.
I hope I answer your question.
best regards,
Thierry Boileau
[1] see "com.noelios.restlet.Engine#getPreferredVariant(ClientInfo,
List<Variant>, Language)"
On Wed, Mar 12, 2008 at 2:28 PM, Jonathan Hall <[EMAIL PROTECTED]> wrote:
> Hi Thierry,
>
> Say I had the client send multiple languages:
>
> " Accept-Language: en-gb,fr;q=0.7,en;q=0.3"
>
> If using a variant with multiple languages, the code given wouldn't
> satisfy the clients preference, since it is using ".contains(...)". It
> would return the language depending on the control code.
>
> To return the correct preference, the client language preference/weights
> should be compared to the variants languages and a best match found.
>
> I can't find a method like this, I think it sounds like a useful
> addition to the framework, do you?
>
> (btw I'm testing with 1.1-SNAPSHOT and 1.1-M2)
>
> jon
>
>
>
> Thierry Boileau wrote:
> > Hello Jon,
> >
> > here is the code of a sample resource declaring 2 variants with the
> > same media-type and distinct languages.
> > I've tested it against release 1.1m2.
> >
> > best regards,
> > Thierry Boileau
> >
> > *****
> > import org.restlet.Context;
> > import org.restlet.data.Language;
> > import org.restlet.data.MediaType;
> > import org.restlet.data.Request;
> > import org.restlet.data.Response;
> > import org.restlet.resource.Representation;
> > import org.restlet.resource.Resource;
> > import org.restlet.resource.StringRepresentation;
> > import org.restlet.resource.Variant;
> >
> > public class MyResource extends Resource {
> > public MyResource(Context context, Request request, Response response)
> {
> > super(context, request, response);
> > // Defines two text_plain variants
> > Variant variant = new Variant(MediaType.TEXT_PLAIN);
> > variant.getLanguages().add(Language.ENGLISH);
> > getVariants().add(variant);
> > variant = new Variant(MediaType.TEXT_PLAIN);
> > variant.getLanguages().add(Language.FRENCH);
> > getVariants().add(variant);
> > }
> >
> > @Override
> > public Representation getRepresentation(Variant variant) {
> > Representation rep = null;
> > if (MediaType.TEXT_PLAIN.equals(variant.getMediaType())) {
> > if (variant.getLanguages().contains(Language.FRENCH)) {
> > rep = new StringRepresentation("Je parle français.");
> > } else {
> > rep = new StringRepresentation("I speak English.");
> > }
> > // Update the representation metadata
> > rep.setMediaType(variant.getMediaType());
> > rep.getLanguages().addAll(variant.getLanguages());
> > }
> >
> > return rep;
> > }
> > }
> >
> > *****
> >
> >
> > On Tue, Mar 11, 2008 at 7:11 PM, Jonathan Hall <[EMAIL PROTECTED]> wrote:
> >
> >> Hi,
> >>
> >> I've been looking at getting the preferred locale and I have a couple of
> >> questions.
> >>
> >> I see that getPreferredVariant() uses apaches content negotiation
> >> algorithm
> >> (http://httpd.apache.org/docs/2.2/en/content-negotiation.html#algorithm)
> >> which includes using the Accept-Language header:
> >>
> >> "|Accept-Language: en-gb,en;q=0.5"
> >>
> >> I'm unsure how (if) this comes into play or how to use it to get the
> >> preferred language.
> >>
> >> I added Language.FRENCH only to a variant and added it to
> >> Resource.getVariants() thinking it may use it in content negotiation, it
> >> seems not.
> >>
> >> If this worked as expected I propose a method like
> >> Resource.||getPreferredVariant().getPreferredLanguage()|| to get the
> >> preferred locale.|||
> >> |
> >> || If the client's language does not match then 406 or use a default
> >> language. Make it backwards compatible by only using that algorithm when
> >> languages are set?
> >>
> >> Any help, thoughts appreciated
> >>
> >> jon
> >>
> >> |||
> >> ||
> >>
> >>
> >
> >
>
>
