jakartaee / jakartaee/jsonb-api

Support of TypeToken

Open
#165 6 comments 1 reaction 0 assignees View on GitHub
enhancement
Dominant language
Java
Stars
95
Forks
41
Avg merge
1d 6h
Merged PRs (30d)
35

Description

Extend deserialize family with a method accepting `TypeToken`. It's more convenient and user friendly than using pure `Type`. Similar mechanism is used in Gson and Jackson.

Deserialization of generic list as it is now:

```
// List of dogs
List dogs = new ArrayList<>();

// Initialization
...

// Create Jsonb and deserialize
Jsonb jsonb = JsonbBuilder.create();
dogs = jsonb.fromJson(result, new ArrayList(){}.getClass().getGenericSuperclass());
```
Deserialization of generic list using TypeToken:

```
// List of dogs
List dogs = new ArrayList<>();

// Initialization
...

// Create Jsonb and deserialize
Jsonb jsonb = JsonbBuilder.create();
dogs = jsonb.fromJson(result, TypeToken>(){}.getType());
```

Contributor guide

Open the contributing guide

Research direction

Start by locating the deserialize family in the JSON-B API and reviewing its existing Type-based overloads. Compare the requested TypeToken usage with the current generic-list example, then verify that the API and tests cover deserialization through the new form.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
api
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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