1 /*
2  * Copyright (C) 2023 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 android.health.connect.internal.datatypes.utils;
18 
19 import static android.health.connect.datatypes.validation.ValidationUtils.INTDEF_VALIDATION_ERROR_PREFIX;
20 
21 import android.annotation.NonNull;
22 import android.health.connect.datatypes.Record;
23 import android.health.connect.datatypes.RecordTypeIdentifier;
24 import android.health.connect.internal.datatypes.RecordInternal;
25 
26 import java.lang.reflect.InvocationTargetException;
27 import java.util.ArrayList;
28 import java.util.List;
29 import java.util.Map;
30 import java.util.Objects;
31 
32 /**
33  * A helper class used to convert internal and external data types.
34  *
35  * @hide
36  */
37 public final class InternalExternalRecordConverter {
38     @SuppressWarnings("NullAway.Init") // TODO(b/317029272): fix this suppression
39     private static volatile InternalExternalRecordConverter sInternalExternalRecordConverter;
40 
41     private final Map<Integer, Class<? extends RecordInternal<?>>>
42             mRecordIdToInternalRecordClassMap;
43     private final Map<Integer, Class<? extends Record>> mRecordIdToExternalRecordClassMap;
44 
InternalExternalRecordConverter()45     private InternalExternalRecordConverter() {
46         // Add any new data type here to facilitate its conversion.
47         mRecordIdToInternalRecordClassMap =
48                 RecordMapper.getInstance().getRecordIdToInternalRecordClassMap();
49         mRecordIdToExternalRecordClassMap =
50                 RecordMapper.getInstance().getRecordIdToExternalRecordClassMap();
51     }
52 
53     @NonNull
getInstance()54     public static synchronized InternalExternalRecordConverter getInstance() {
55         if (sInternalExternalRecordConverter == null) {
56             sInternalExternalRecordConverter = new InternalExternalRecordConverter();
57         }
58 
59         return sInternalExternalRecordConverter;
60     }
61 
62     /** Returns a new instance of {@link RecordInternal} for the provided {@code type }. */
63     @NonNull
newInternalRecord(@ecordTypeIdentifier.RecordType int type)64     public RecordInternal<?> newInternalRecord(@RecordTypeIdentifier.RecordType int type) {
65         Class<? extends RecordInternal<?>> recordClass =
66                 mRecordIdToInternalRecordClassMap.get(type);
67         Objects.requireNonNull(recordClass);
68         RecordInternal<?> recordInternal;
69         try {
70             recordInternal = recordClass.getConstructor().newInstance();
71         } catch (InstantiationException
72                 | IllegalAccessException
73                 | InvocationTargetException
74                 | NoSuchMethodException e) {
75             throw new RuntimeException(e);
76         }
77 
78         return recordInternal;
79     }
80 
81     /** Returns a record for {@param record} */
82     @SuppressWarnings("NullAway") // TODO(b/317029272): fix this suppression
83     @NonNull
getExternalRecords(@onNull List<RecordInternal<?>> recordInternals)84     public List<Record> getExternalRecords(@NonNull List<RecordInternal<?>> recordInternals) {
85         List<Record> externalRecordList = new ArrayList<>(recordInternals.size());
86 
87         for (RecordInternal<?> recordInternal : recordInternals) {
88             try {
89             externalRecordList.add(recordInternal.toExternalRecord());
90             } catch (IllegalArgumentException illegalArgumentException) {
91                 if (!illegalArgumentException
92                         .getMessage()
93                         .contains(INTDEF_VALIDATION_ERROR_PREFIX)) {
94                     throw illegalArgumentException;
95                 }
96             }
97         }
98 
99         return externalRecordList;
100     }
101 }
102