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