I'm using RetroFit in order to communicate with my API. The response is JSON and one of JSON objects ('user') is a string. I'd like to parse that string into JSON.
I have a class for the response:
public class TokenModel {
@SerializedName("access_token")
private String accessToken;
@SerializedName(".expires")
private String expiryDate;
private UserModel user;
public String getAccessToken() {
return accessToken;
}
public void setAccessToken(String accessToken) {
this.accessToken = accessToken;
}
public String getExpiryDate() {
return expiryDate;
}
public void setExpiryDate(String expiryDate) {
this.expiryDate = expiryDate;
}
public UserModel getUser() {
return user;
}
public void setUser(UserModel user) {
this.user = user;
}
}
and a class for the user:
public class UserModel {
private int id;
private String email;
private String firstName;
private String lastName;
private String profileImageUrl; etc...
However, because the 'user' object in response is a string it needs to be first parsed into JSON. I'm unsure how to do this and still make it work with the model. Is there a way to tell RetroFit to first parse it into JSON before applying it to the model?
Thank you, Daniel
Turns out to be quite simple using the advice of @corsair992.
Create a custom deserializer to parse string into Json:
public class UserDeserializer implements JsonDeserializer<UserModel> {
@Override
public UserModel deserialize(JsonElement jsonElement, Type typeOF,
JsonDeserializationContext context)
throws JsonParseException {
String userString = jsonElement.getAsString();
JsonElement userJson = new JsonParser().parse(userString);
return new Gson().fromJson(userJson, UserModel.class);
}
}
then set it as a converter on your rest adapter:
RestAdapter restAdapter = new RestAdapter.Builder()
.setLogLevel(RestAdapter.LogLevel.FULL)
.setConverter(new GsonConverter(new GsonBuilder().registerTypeAdapter(UserModel.class, new UserDeserializer()).create()))
.setEndpoint(getString(R.string.url_base))
.build();
That will now convert the string into Json and make it function with the model.
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