Using Play Framework, I serialize my models via GSON. I specify which fields are exposed and which aren't.
This works great but I'd also like to @expose method too. Of course, this is too simple.
How can I do it ?
Thanks for your help !
public class Account extends Model {
@Expose
public String username;
@Expose
public String email;
public String password;
@Expose // Of course, this don't work
public String getEncodedPassword() {
// ...
}
}
The best solution I came with this problem was to make a dedicated serializer :
public class AccountSerializer implements JsonSerializer<Account> {
@Override
public JsonElement serialize(Account account, Type type, JsonSerializationContext context) {
JsonObject root = new JsonObject();
root.addProperty("id", account.id);
root.addProperty("email", account.email);
root.addProperty("encodedPassword", account.getEncodedPassword());
return root;
}
}
And to use it like this in my view:
GsonBuilder gson = new GsonBuilder();
gson.registerTypeAdapter(Account.class, new AccountSerializer());
Gson parser = gson.create();
renderJSON(parser.toJson(json));
But having @Expose
working for a method would be great: it would avoid making a serializer just for showing methods!