[OASIS Issue Tracker] (ODATA-813) Allow no metadata for non-OData clients

[OASIS Issues Tracker <workgroup_mailer@lists.oasis-open.org>]

     [ https://issues.oasis-open.org/browse/ODATA-813?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ralf Handl updated ODATA-813:
-----------------------------

    Proposal: 
If a client sends an Accept header requesting JSON with a specific odata.metadata level, the service responds with that level.

If a client sends an OData-specific header (e.g. OData-Version or OData-MaxVersion), or an Accept header with application/json and an OData-specific format parameter, but no specific odata.metadata level, the service responds with odata.metadata=minimal.

If a client does not send any OData-specific headers or format parameters, the service may respond with any format matching the Accept header, e.g. for application/json any JSON dialect, including OData JSON of the odata.metadata level preferred by that service.

  was:
If a client sends an Accept header requesting JSON with a specific odata.metadata level, the service responds with that level.

If a client sends an OData-Version or OData-MaxVersion header, or an Accept header with an OData-specific format parameter, but no specific odata.metadata level, the servcie responds with odata.metadata=minimal.

If a client does not send any OData-specific headers of format parameters, the service may respond with any JSON dialect, including OData JSON of the odata.metadata level preferred by that service, e.g. none.


> Allow no metadata for non-OData clients
> ---------------------------------------
>
>                 Key: ODATA-813
>                 URL: https://issues.oasis-open.org/browse/ODATA-813
>             Project: OASIS Open Data Protocol (OData) TC
>          Issue Type: Bug
>          Components: OData JSON Format
>    Affects Versions: V4.0_ERRATA02
>         Environment: Proposed
>            Reporter: Michael Pizzo
>              Labels: AdoptionBlocker
>             Fix For: V4.01_WD01
>
>
> We want simple rest services to support OData for interoperability without taxing them for non-interoperability requirements.
> The easiest way to do this is to allow no-metadata for non-odata clients.
> We can determine if the client is odata by:
> -Odata.maxversion header
> -Odata.version header
> -Odata media type parameters



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