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.example.android.autofill.service.data.source.local.db; 18 19 import android.arch.persistence.db.SupportSQLiteDatabase; 20 import android.arch.persistence.room.Database; 21 import android.arch.persistence.room.Room; 22 import android.arch.persistence.room.RoomDatabase; 23 import android.arch.persistence.room.TypeConverters; 24 import android.content.Context; 25 import android.support.annotation.NonNull; 26 27 import com.example.android.autofill.service.data.source.DefaultFieldTypesSource; 28 import com.example.android.autofill.service.data.source.local.dao.AutofillDao; 29 import com.example.android.autofill.service.model.AutofillDataset; 30 import com.example.android.autofill.service.model.AutofillHint; 31 import com.example.android.autofill.service.model.DefaultFieldTypeWithHints; 32 import com.example.android.autofill.service.model.FakeData; 33 import com.example.android.autofill.service.model.FieldType; 34 import com.example.android.autofill.service.model.FilledAutofillField; 35 import com.example.android.autofill.service.model.ResourceIdHeuristic; 36 import com.example.android.autofill.service.util.AppExecutors; 37 38 import java.util.ArrayList; 39 import java.util.List; 40 41 import static com.example.android.autofill.service.data.source.local.db.Converters.IntList; 42 import static java.util.stream.Collectors.toList; 43 44 @Database(entities = { 45 FilledAutofillField.class, 46 AutofillDataset.class, 47 FieldType.class, 48 AutofillHint.class, 49 ResourceIdHeuristic.class 50 }, version = 1) 51 @TypeConverters({Converters.class}) 52 public abstract class AutofillDatabase extends RoomDatabase { 53 54 private static final Object sLock = new Object(); 55 private static AutofillDatabase sInstance; 56 getInstance(Context context, DefaultFieldTypesSource defaultFieldTypesSource, AppExecutors appExecutors)57 public static AutofillDatabase getInstance(Context context, 58 DefaultFieldTypesSource defaultFieldTypesSource, 59 AppExecutors appExecutors) { 60 if (sInstance == null) { 61 synchronized (sLock) { 62 if (sInstance == null) { 63 sInstance = Room.databaseBuilder(context.getApplicationContext(), 64 AutofillDatabase.class, "AutofillSample.db") 65 .addCallback(new RoomDatabase.Callback() { 66 @Override 67 public void onCreate(@NonNull SupportSQLiteDatabase db) { 68 appExecutors.diskIO().execute(() -> { 69 List<DefaultFieldTypeWithHints> fieldTypes = 70 defaultFieldTypesSource.getDefaultFieldTypes(); 71 AutofillDatabase autofillDatabase = 72 getInstance(context, defaultFieldTypesSource, 73 appExecutors); 74 autofillDatabase.saveDefaultFieldTypes(fieldTypes); 75 }); 76 } 77 78 @Override 79 public void onOpen(@NonNull SupportSQLiteDatabase db) { 80 super.onOpen(db); 81 } 82 }) 83 .build(); 84 } 85 } 86 } 87 return sInstance; 88 } 89 saveDefaultFieldTypes(List<DefaultFieldTypeWithHints> defaultFieldTypes)90 private void saveDefaultFieldTypes(List<DefaultFieldTypeWithHints> defaultFieldTypes) { 91 List<FieldType> storedFieldTypes = new ArrayList<>(); 92 List<AutofillHint> storedAutofillHints = new ArrayList<>(); 93 for (DefaultFieldTypeWithHints defaultType : defaultFieldTypes) { 94 DefaultFieldTypeWithHints.DefaultFieldType defaultFieldType = defaultType.fieldType; 95 List<String> autofillHints = defaultType.autofillHints; 96 IntList autofillTypes = new IntList(defaultFieldType.autofillTypes); 97 DefaultFieldTypeWithHints.DefaultFakeData defaultFakeData = defaultType.fieldType.fakeData; 98 FakeData fakeData = new FakeData(new Converters.StringList( 99 defaultFakeData.strictExampleSet), defaultFakeData.textTemplate, 100 defaultFakeData.dateTemplate); 101 FieldType storedFieldType = new FieldType(defaultFieldType.typeName, autofillTypes, 102 defaultFieldType.saveInfo, defaultFieldType.partition, fakeData); 103 storedFieldTypes.add(storedFieldType); 104 storedAutofillHints.addAll(autofillHints.stream() 105 .map((autofillHint) -> new AutofillHint(autofillHint, 106 storedFieldType.getTypeName())).collect(toList())); 107 } 108 AutofillDao autofillDao = autofillDao(); 109 autofillDao.insertFieldTypes(storedFieldTypes); 110 autofillDao.insertAutofillHints(storedAutofillHints); 111 } 112 autofillDao()113 public abstract AutofillDao autofillDao(); 114 }