Everything in CAP / Java
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Domain: UI & Frontend Bridge
Signals
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Java: Answers in Java
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Draft handlingSAP only
Custom Handlers for Entities in SAP CAPCustom Handlers for Entities in SAP CAPWritten from the moment of not knowing: a two-level composition with drafts, the Fiori elements UI working perfectly, and no idea which handlers are actually needed. What comes out is the action lifecycle laid out as a reference — NEW, EDIT, PATCH and the rest — with a matrix saying which handler fires for which, which is the thing the documentation leaves you to assemble.xavisanse, published 2026-02-20
How to ensure that users can efficiently enter data in SAP Fiori elements applicationsHow to ensure that users can efficiently enter data in SAP Fiori elements applicationsGuidance for draft-enabled Fiori Elements applications aimed at the user who spends their day in them: entering data quickly and by keyboard, on a slow network, without the round trips a draft-backed form can otherwise impose. Written from the design side rather than the implementation side, which is the half most CAP writing about drafts leaves out.published 2022-12-05
Fiori annotationsSAP only
Deep Insert in SAP CAPM Using Composition and Fiori ElementsDeep Insert in SAP CAPM Using Composition and Fiori ElementsParent and children created in one transaction, which composition already gives you in the model — the post is about what Fiori elements does with it, and what the payload looks like when the UI sends both at once.published 2026-05-22
Develop a Full-Stack CAP Application Following SAP BTP Developer's GuideDevelop a Full-Stack CAP Application Following SAP BTP Developer's GuideThe eight-part path SAP's own Developer's Guide prescribes: a CAP service, Fiori Elements over it, custom logic, authorization, tests, and the preparation deployment needs. It is the closest thing to an official answer to 'what does a whole CAP application look like', which is why it sits under reference applications rather than under any one of the capabilities it touches.SAP
Dynamic Criticality in SAP CAP Using Fiori Elements and Node.jsDynamic Criticality in SAP CAP Using Fiori Elements and Node.jsColouring rows by status, which sounds like a UI question and is not: criticality is a value the service has to compute and expose, so the work is a virtual element in CDS and the annotation that points at it. Comes from a real requirement — business users wanting to spot the records that need attention.Pranesh_SD, published 2026-06-05
Fullstack CAP Application with HANA Cloud (Decoupled Architecture) [Part-2]Fullstack CAP Application with HANA Cloud (Decoupled Architecture) [Part-2]Part 1 left a working OData service whose Fiori preview showed nothing useful. This is the annotations that fix that — the UI vocabulary added to the CDS model until the generated list report has columns worth reading.sanjucs, published 2026-05-07
Frontend boundaryUnmapped
CAP, CORS and custom headersCAP, CORS and custom headersWhat CAP itself does about CORS, and where it stops. The starting point is a colleague's request and a deliberate constraint: @sap/approuter has full CORS support, but the author wanted to know what the CAP server offers on its own and how to extend it. Ends up covering preflight requests and custom servers, which is the mechanism a frontend hosted outside BTP actually runs into.published 2024-04-11
