Rest API - HATEOAS and Linking
You want to include a list of products inside a HAL response for a category resource. How should you structure the
_embedded section to follow HAL best practices?You want to include a list of products inside a HAL response for a category resource. How should you structure the _embedded section to follow HAL best practices?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Structure embedded resources with links
HAL best practice is to embed related resources inside_embeddedwith each resource including its own_linkssection.Step 2: Evaluate options
"_embedded": { "products": [ { "name": "Pen", "_links": { "self": { "href": "/products/1" } } }, { "name": "Notebook", "_links": { "self": { "href": "/products/2" } } } ] } correctly embeds products with their own self links. "_embedded": { "products": [ { "name": "Pen" }, { "name": "Notebook" } ] } lacks links, C misuses _links, and D is missing _embedded.Final Answer:
"_embedded": { "products": [ { "name": "Pen", "_links": { "self": { "href": "/products/1" } } }, { "name": "Notebook", "_links": { "self": { "href": "/products/2" } } } ] } -> Option CQuick Check:
Embed with _embedded and include _links per resource [OK]
Quick Trick: Embed resources with their own _links inside _embedded [OK]
Common Mistakes:
- Omitting _links inside embedded resources
- Placing embedded resources outside _embedded
- Using _links incorrectly for embedded lists
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