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      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.dialer.smartdial.map;
     18 
     19 import android.support.v4.util.SimpleArrayMap;
     20 import com.android.dialer.dialpadview.DialpadCharMappings;
     21 import com.google.common.base.Optional;
     22 
     23 /** A {@link SmartDialMap} for the Ukrainian alphabet. */
     24 final class UkrainianSmartDialMap extends SmartDialMap {
     25 
     26   private static UkrainianSmartDialMap instance;
     27 
     28   static UkrainianSmartDialMap getInstance() {
     29     if (instance == null) {
     30       instance = new UkrainianSmartDialMap();
     31     }
     32 
     33     return instance;
     34   }
     35 
     36   private UkrainianSmartDialMap() {}
     37 
     38   @Override
     39   Optional<Character> normalizeCharacter(char ch) {
     40     ch = Character.toLowerCase(ch);
     41     return isValidDialpadAlphabeticChar(ch) ? Optional.of(ch) : Optional.absent();
     42   }
     43 
     44   @Override
     45   SimpleArrayMap<Character, Character> getCharToKeyMap() {
     46     return DialpadCharMappings.getCharToKeyMap("ukr");
     47   }
     48 }
     49