How to return JSON object from REST web service?
I have a rest enabled web service exposed which returns RETURN_OBJ. However, RETURN_OBJ in itself contains several complex objects like list of objects from other class, maps, etc. In such a case, will annotating the participating classes with @XmlRootElement and annotating web service with @Produces (“application/json”) enough?
When to use API to return nested json objects?
If you are using something like JPA/Hibernate it may automatically do this for you if it is set to FETCH.EAGER. The other option is to simply the API and add more end points. In that case when /game/1 is requested just the game object is returned.
Which is an example of a REST API?
As an example lets say we have an API similar to IMDb but for video games. There are a couple entities, Game, Platform, ESRBRating, and GamePlatformMap which maps Games and Platforms. Lets say you request /game/1 which fetches the game with ID 1 and it returns the game object with the platforms and esrbRating nested.
Do you have to use nested resources in REST API?
While nesting is sometimes necessary and can’t be avoided, it is often a choice that comes with specific costs or dangers we should keep in mind. Let’s look at them one-by-one. We learned before that nesting resources could make our URLs more readable, but this isn’t a sure bet.
How to return a JSON object in Java?
When the classes are annotated with the json annotations, json will be returned. Construct a complex Object as you like and finally convert to json using Gson.
Why does JSON not give me anything back?
The problem is it doesn’t give me anything back : (. Below is the link for the JSON file: In case you don’t know, the Soil Grids API is an API used for giving you soil insight on a certain latitude and longitude of land mass. I have to admit, I don’t know what is wrong. Below is my code:
How is data parsed from a JSON API?
The data that is parsed from a JSON API is in the form of objects that need to be converted into their respective data formats as acceptable by the system. I won’t go into much detail describing APIs in this blog post.