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There is a newer version: 1.2.59

/*
 * cyborg-core is an extendable  module based framework for Android.
 *
 * Copyright (C) 2018  Adam van der Kruk aka TacB0sS
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.nu.art.storage;

import com.nu.art.storage.PreferencesModule.StorageImpl;

public final class EnumPreference>
	extends PreferenceKey, EnumType> {

	private Class enumType;

	public EnumPreference() {}

	public EnumPreference(String key, Class enumType, EnumType defaultValue) {
		super(key, defaultValue);
		this.enumType = enumType;
	}

	public EnumPreference setEnumType(Class enumType) {
		this.enumType = enumType;
		return this;
	}

	@Override
	protected EnumType _get(StorageImpl preferences, String key, EnumType defaultValue) {
		String value = preferences.get(key, defaultValue == null ? null : defaultValue.name());
		if (value == null)
			return defaultValue;

		try {
			return Enum.valueOf(enumType, value);
		} catch (Exception e) {
			preferences.remove(key);
			return get();
		}
	}

	@Override
	protected void _set(StorageImpl preferences, String key, EnumType value) {
		preferences.put(key, value.name());
	}
}