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 
18 package com.android.settings.intelligence.search;
19 
20 import android.os.Parcel;
21 import android.os.Parcelable;
22 
23 /**
24  * Utility class to Marshall and Unmarshall the payloads stored in the SQLite Database
25  */
26 public class ResultPayloadUtils {
27 
28     private static final String TAG = "PayloadUtil";
29 
marshall(ResultPayload payload)30     public static byte[] marshall(ResultPayload payload) {
31         Parcel parcel = Parcel.obtain();
32         payload.writeToParcel(parcel, 0);
33         byte[] bytes = parcel.marshall();
34         parcel.recycle();
35         return bytes;
36     }
37 
unmarshall(byte[] bytes, Parcelable.Creator<T> creator)38     public static <T> T unmarshall(byte[] bytes, Parcelable.Creator<T> creator) {
39         T result;
40         Parcel parcel = unmarshall(bytes);
41         result = creator.createFromParcel(parcel);
42         parcel.recycle();
43         return result;
44     }
45 
unmarshall(byte[] bytes)46     private static Parcel unmarshall(byte[] bytes) {
47         Parcel parcel = Parcel.obtain();
48         parcel.unmarshall(bytes, 0, bytes.length);
49         parcel.setDataPosition(0);
50         return parcel;
51     }
52 }
53