Aria Moradi
41 lines
1.3 KiB
Java
41 lines
1.3 KiB
Java
/*
|
|
Copyright 2014 Prateek Srivastava
|
|
|
|
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.
|
|
|
|
This file may have been modified after being copied from it's original source.
|
|
*/
|
|
package com.f2prateek.rx.preferences;
|
|
|
|
import android.content.SharedPreferences;
|
|
import android.support.annotation.NonNull;
|
|
|
|
final class EnumAdapter<T extends Enum<T>> implements Preference.Adapter<T> {
|
|
private final Class<T> enumClass;
|
|
|
|
EnumAdapter(Class<T> enumClass) {
|
|
this.enumClass = enumClass;
|
|
}
|
|
|
|
@Override public T get(@NonNull String key, @NonNull SharedPreferences preferences) {
|
|
String value = preferences.getString(key, null);
|
|
assert value != null; // Not called unless key is present.
|
|
return Enum.valueOf(enumClass, value);
|
|
}
|
|
|
|
@Override
|
|
public void set(@NonNull String key, @NonNull T value, @NonNull SharedPreferences.Editor editor) {
|
|
editor.putString(key, value.name());
|
|
}
|
|
}
|