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      1 /*
      2  * Copyright (C) 2014 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.settings.search;
     18 
     19 import android.content.Context;
     20 import android.provider.SearchIndexableResource;
     21 
     22 import java.util.Collections;
     23 import java.util.List;
     24 
     25 /**
     26  * A basic SearchIndexProvider that returns no data to index.
     27  */
     28 public class BaseSearchIndexProvider implements Indexable.SearchIndexProvider {
     29 
     30     private static final List<String> EMPTY_LIST = Collections.<String>emptyList();
     31 
     32     public BaseSearchIndexProvider() {
     33     }
     34 
     35     @Override
     36     public List<SearchIndexableResource> getXmlResourcesToIndex(Context context, boolean enabled) {
     37         return null;
     38     }
     39 
     40     @Override
     41     public List<SearchIndexableRaw> getRawDataToIndex(Context context, boolean enabled) {
     42         return null;
     43     }
     44 
     45     @Override
     46     public List<String> getNonIndexableKeys(Context context) {
     47         return EMPTY_LIST;
     48     }
     49 }
     50