How to use

excludeFieldsWithoutExposeAnnotation

method

in

com.google.gson.GsonBuilder

  public static <T> T safeFromJson(final String jsonString, final Class<T> clazz) {
    GsonBuilder builder = new GsonBuilder();
    Gson gson = builder.excludeFieldsWithoutExposeAnnotation().create();
    try {
      return gson.fromJson(jsonString, clazz);
    } catch (Exception e) {
      return null;
    }
  }
}

public static String toJsonString(Object object) {
  Gson gson = new GsonBuilder().excludeFieldsWithoutExposeAnnotation().create();
  return gson.toJson(object);
}

private static String toJsonString(Object object) {
  Gson gson = new GsonBuilder().excludeFieldsWithoutExposeAnnotation().create();
  return gson.toJson(object);
}

private static String toJsonString(Object object) {
  Gson gson = new GsonBuilder().excludeFieldsWithoutExposeAnnotation().create();
  return gson.toJson(object);
}

@Autowired
public FeatureToggleRepository(SystemEnvironment environment) {
  this.environment = environment;
  gson = new GsonBuilder().setPrettyPrinting().excludeFieldsWithoutExposeAnnotation().create();
}

public static <T> T fromJson(final String jsonString, final Class<T> clazz) {
  return new GsonBuilder().excludeFieldsWithoutExposeAnnotation().create().fromJson(jsonString, clazz);
}

  public String createRequest() {
    Gson gson = new GsonBuilder().excludeFieldsWithoutExposeAnnotation().serializeNulls().create();
    return gson.toJson(this.transformData());
  }
}

 static {
  GsonBuilder builder = new GsonBuilder();

  ...

  builder.excludeFieldsWithModifiers(Modifier.FINAL, Modifier.TRANSIENT, Modifier.STATIC);**
  builder.excludeFieldsWithoutExposeAnnotation();
  sExposeGson = builder.create();
}

public DeviceRepository(String deviceDb) {
  super();
  gson =
      new GsonBuilder()
      .excludeFieldsWithoutExposeAnnotation()
      .create();
  repositoryPath = null;
  repositoryPath = Paths.get(deviceDb);
  setupParams(repositoryPath, ".bk", "device.db-");
  nextId = 0;
  _loadRepository(repositoryPath);
}

public GroupRepository(String groupDb) {
  super();
  gson =
      new GsonBuilder()
      .excludeFieldsWithoutExposeAnnotation()
      .create();
  nextId = 0;
  try {
    repositoryPath = null;
    repositoryPath = Paths.get(groupDb);
    setupParams(repositoryPath, ".bk", "group.db-");
    _loadRepository(repositoryPath);
  } catch (Exception ex) {
    groups = new HashMap<String, GroupDescriptor>();
  }
}

@Override
public Observable<Boolean> seedDatabaseOptions() {
  GsonBuilder builder = new GsonBuilder().excludeFieldsWithoutExposeAnnotation();
  final Gson gson = builder.create();
  return mDbHelper.isOptionEmpty()
      .concatMap(new Function<Boolean, ObservableSource<? extends Boolean>>() {
        @Override
        public ObservableSource<? extends Boolean> apply(Boolean isEmpty)
            throws Exception {
          if (isEmpty) {
            Type type = new TypeToken<List<Option>>() {
            }
                .getType();
            List<Option> optionList = gson.fromJson(
                CommonUtils.loadJSONFromAsset(mContext,
                    AppConstants.SEED_DATABASE_OPTIONS),
                type);
            return saveOptionList(optionList);
          }
          return Observable.just(false);
        }
      });
}

@Override
public Observable<Boolean> seedDatabaseQuestions() {
  GsonBuilder builder = new GsonBuilder().excludeFieldsWithoutExposeAnnotation();
  final Gson gson = builder.create();
  return mDbHelper.isQuestionEmpty()
      .concatMap(new Function<Boolean, ObservableSource<? extends Boolean>>() {
        @Override
        public ObservableSource<? extends Boolean> apply(Boolean isEmpty)
            throws Exception {
          if (isEmpty) {
            Type type = $Gson$Types
                .newParameterizedTypeWithOwner(null, List.class,
                    Question.class);
            List<Question> questionList = gson.fromJson(
                CommonUtils.loadJSONFromAsset(mContext,
                    AppConstants.SEED_DATABASE_QUESTIONS),
                type);
            return saveQuestionList(questionList);
          }
          return Observable.just(false);
        }
      });
}

final GsonBuilder builder = new GsonBuilder().excludeFieldsWithoutExposeAnnotation();
final Gson gson = builder.create();

public String toJson() {
  Gson gson = new GsonBuilder()
      .excludeFieldsWithoutExposeAnnotation()
      .create();
  return gson.toJson(this);
}

public String toS() {
  final Gson gson = new GsonBuilder()
      .excludeFieldsWithoutExposeAnnotation()
      .create();
  return gson.toJson(this);
}

public static String getJsonWithExposeFromObject(Object object, Type type) {
  Gson gson = new GsonBuilder()
      .excludeFieldsWithoutExposeAnnotation()
      .create();
  return gson.toJson(object, type);
}

public String toS() {
  Gson gson = new GsonBuilder()
      .excludeFieldsWithoutExposeAnnotation()
      .registerTypeAdapter(Date.class, new DateTypeAdapter())
      .serializeSpecialFloatingPointValues()
      .create();
  return gson.toJson(this);
}

public static Treatments fromJSON(String json) {
  try {
    return new GsonBuilder().excludeFieldsWithoutExposeAnnotation().create().fromJson(json, Treatments.class);
  } catch (Exception e) {
    Log.d(TAG, "Got exception parsing treatment json: " + e.toString());
    Home.toaststatic("Error on treatment, probably decryption key mismatch");
    return null;
  }
}

public static RollCall fromJson(String json) {
  final Gson gson = new GsonBuilder()
      .excludeFieldsWithoutExposeAnnotation()
      .create();
  try {
    return gson.fromJson(json, RollCall.class);
  } catch (Exception e) {
    UserError.Log.e(TAG, "Got exception processing fromJson() " + e);
    UserError.Log.e(TAG, "json = "  + json);
    return null;
  }   
}

private void initBuilder() {
 builder = new GsonBuilder().setPrettyPrinting().
   excludeFieldsWithoutExposeAnnotation();
 builder.registerTypeAdapter(OpType.class, new OpType.JsonSerDer());
 builder.registerTypeAdapter(Expr.class, new Expr.JsonSerDer());
 builder.registerTypeAdapter(PartitionMethodDescExpr.class, new PartitionMethodDescExpr.JsonSerDer());
}