1 /* 2 * Copyright (C) 2022 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.adservices.service.measurement; 18 19 import android.annotation.Nullable; 20 21 import com.android.adservices.LogUtil; 22 23 import org.json.JSONArray; 24 import org.json.JSONException; 25 import org.json.JSONObject; 26 27 import java.util.ArrayList; 28 import java.util.HashMap; 29 import java.util.List; 30 import java.util.Map; 31 import java.util.Objects; 32 33 34 /** 35 * POJO for AggregatableAttributionFilterMap. 36 */ 37 public class FilterMap { 38 39 private Map<String, List<String>> mAttributionFilterMap; 40 FilterMap()41 FilterMap() { 42 mAttributionFilterMap = new HashMap<>(); 43 } 44 45 @Override equals(Object obj)46 public boolean equals(Object obj) { 47 if (!(obj instanceof FilterMap)) { 48 return false; 49 } 50 FilterMap attributionFilterMap = (FilterMap) obj; 51 return Objects.equals(mAttributionFilterMap, attributionFilterMap.mAttributionFilterMap); 52 } 53 54 @Override hashCode()55 public int hashCode() { 56 return Objects.hash(mAttributionFilterMap); 57 } 58 59 /** 60 * Returns the attribution filter map. 61 */ getAttributionFilterMap()62 public Map<String, List<String>> getAttributionFilterMap() { 63 return mAttributionFilterMap; 64 } 65 66 /** 67 * Serializes the object into a {@link JSONObject}. 68 * 69 * @return serialized {@link JSONObject}. 70 */ 71 @Nullable serializeAsJson()72 public JSONObject serializeAsJson() { 73 if (mAttributionFilterMap == null) { 74 return null; 75 } 76 77 try { 78 JSONObject result = new JSONObject(); 79 for (String key : mAttributionFilterMap.keySet()) { 80 result.put(key, new JSONArray(mAttributionFilterMap.get(key))); 81 } 82 83 return result; 84 } catch (JSONException e) { 85 LogUtil.d(e, "Failed to serialize filtermap."); 86 return null; 87 } 88 } 89 90 /** 91 * Builder for {@link FilterMap}. 92 */ 93 public static final class Builder { 94 private final FilterMap mBuilding; 95 Builder()96 public Builder() { 97 mBuilding = new FilterMap(); 98 } 99 100 /** 101 * See {@link FilterMap#getAttributionFilterMap()}. 102 */ setAttributionFilterMap(Map<String, List<String>> attributionFilterMap)103 public Builder setAttributionFilterMap(Map<String, List<String>> attributionFilterMap) { 104 mBuilding.mAttributionFilterMap = attributionFilterMap; 105 return this; 106 } 107 108 /** 109 * Builds FilterMap from JSONObject. 110 */ buildFilterData(JSONObject jsonObject)111 public Builder buildFilterData(JSONObject jsonObject) 112 throws JSONException { 113 Map<String, List<String>> filterMap = new HashMap<>(); 114 for (String key : jsonObject.keySet()) { 115 JSONArray jsonArray = jsonObject.getJSONArray(key); 116 List<String> filterMapList = new ArrayList<>(); 117 for (int i = 0; i < jsonArray.length(); i++) { 118 filterMapList.add(jsonArray.getString(i)); 119 } 120 filterMap.put(key, filterMapList); 121 } 122 mBuilding.mAttributionFilterMap = filterMap; 123 return this; 124 } 125 126 /** 127 * Build the {@link FilterMap}. 128 */ build()129 public FilterMap build() { 130 return mBuilding; 131 } 132 } 133 } 134