How to create JSON responses for RESTful services?
And I prefer not to create envelope response but return requested object at top level JSON. And for errors return appropriate HTTP status code with more detailed error message and errors as JSON response. Effective use of HTTP status code helps with leveraging HTTP caching and coding clients.
Should a restful get response return a resource’s id?
A number of the developers here are having a friendly (some would say religious) discussion about whether a GET request from a RESTful API should return the ID of the requested resource. Let’s assume the following GET request: Note that “id” is missing from the result set. There are basically 4 camps battling with this issue.
What’s the best way to send a JSON response?
Different options are, Option 1) Use HTTP status codes conveying the status + json body in response payload Option 2) always return 200 and response payload to have status and data fields. My take is use HTTP status code to convey the response status.
Which is a valid JSON response for a null value?
This is again another area of debate starts. Options are 1) Do not return NULL values 2) Return as null value. I prefer Option 1) Do not return NULL values. However, question becomes tricky when value is object or array and it is empty. In that case empty {} or [] is valid JSON response.
How to return JSON object as response in spring?
To use it, you have to autowire ObjectMapper in your service/controller. Then you can use: This approach allows you to add child objects, arrays, and use all various types. You can either return a response as String as suggested by @vagaasen or you can use ResponseEntity Object provided by Spring as below.
When to use HTTP status code for JSON response?
And for errors return appropriate HTTP status code with more detailed error message and errors as JSON response. Effective use of HTTP status code helps with leveraging HTTP caching and coding clients. Also it is important to discuss and decide which status code to use when.
What should the name of a RESTful service be?
Now we send another POST request. But the name should have less than five characters. It returns the Status: 400 Bad Request. When we create a RESTful services we need to think about consumer that how does the consumer know what is wrong.
What kind of response does the REST API return?
The above response is not the complete response its just the response body. An HTTP response contains the status line, headers and the message/response body. As we have already discussed that same REST API can return both XML or JSON as response message, depending upon the Media-Type attribute in the HTTP request.
What should be the response to a REST call?
In case of API response, it can be simple XML or JSON or any other media type. Also, at times, one REST API is being consumed by different applications. Out of which, one application might need the response in the form of XML and other might need the response in the form of JSON.