[jira] [Updated] (CAMEL-13598) camel-olingo4 - Support ETag / If-Match Headers when using CUD operations

["Andrea Cosentino (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAMEL-13598?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrea Cosentino updated CAMEL-13598:
-------------------------------------
    Fix Version/s: 3.0.0.RC1

> camel-olingo4 - Support ETag / If-Match Headers when using CUD operations
> -------------------------------------------------------------------------
>
>                 Key: CAMEL-13598
>                 URL: https://issues.apache.org/jira/browse/CAMEL-13598
>             Project: Camel
>          Issue Type: New Feature
>          Components: camel-olingo4
>    Affects Versions: 2.21.5, 2.22.4
>            Reporter: Paul Richardson
>            Priority: Major
>             Fix For: 3.0.0.RC1
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> The [Tripin Reference server|https://services.odata.org/TripPinRESTierService/(S(4gus0w41xmxedlzbywj2srqo))/$metadata] supports ETags on its Airlines resource. Consequently, if an update or delete operation is performed then the following must occur:
>  # Client calls a GET request & fetches the content of the ETag header;
>  # Client calls a PATCH/DELETE request complete with an *_If-None-Match_* header that has a value of the previously queried ETag.
> At the moment, attempts to use the camel-olingo4 implementation fail with an http  [428|https://httpstatuses.com/428] code.
> Please see following for more information:
> * [https://www.odata.org/getting-started/basic-tutorial/#etag]
> * [https://www.odata.org/documentation/odata-version-2-0/operations/]
> * [https://olingo.apache.org/doc/odata4/overview.html#definition-of-the-web-infrastructure]
> * [https://www.logicbig.com/quick-info/web/etag-header.html]



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