1 /* 2 * Copyright (C) 2010 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.content.res; 18 19 import android.os.Parcel; 20 import android.os.Parcelable; 21 22 /** 23 * Basic information about a Opaque Binary Blob (OBB) that reflects the info 24 * from the footer on the OBB file. This information may be manipulated by a 25 * developer with the <code>obbtool</code> program in the Android SDK. 26 */ 27 public class ObbInfo implements Parcelable { 28 /** Flag noting that this OBB is an overlay patch for a base OBB. */ 29 public static final int OBB_OVERLAY = 1 << 0; 30 31 /** 32 * The canonical filename of the OBB. 33 */ 34 public String filename; 35 36 /** 37 * The name of the package to which the OBB file belongs. 38 */ 39 public String packageName; 40 41 /** 42 * The version of the package to which the OBB file belongs. 43 */ 44 public int version; 45 46 /** 47 * The flags relating to the OBB. 48 */ 49 public int flags; 50 51 /** 52 * The salt for the encryption algorithm. 53 * 54 * @hide 55 */ 56 public byte[] salt; 57 58 // Only allow things in this package to instantiate. 59 /* package */ ObbInfo() { 60 } 61 62 public String toString() { 63 StringBuilder sb = new StringBuilder(); 64 sb.append("ObbInfo{"); 65 sb.append(Integer.toHexString(System.identityHashCode(this))); 66 sb.append(" packageName="); 67 sb.append(packageName); 68 sb.append(",version="); 69 sb.append(version); 70 sb.append(",flags="); 71 sb.append(flags); 72 sb.append('}'); 73 return sb.toString(); 74 } 75 76 public int describeContents() { 77 return 0; 78 } 79 80 public void writeToParcel(Parcel dest, int parcelableFlags) { 81 dest.writeString(filename); 82 dest.writeString(packageName); 83 dest.writeInt(version); 84 dest.writeInt(flags); 85 dest.writeByteArray(salt); 86 } 87 88 public static final Parcelable.Creator<ObbInfo> CREATOR 89 = new Parcelable.Creator<ObbInfo>() { 90 public ObbInfo createFromParcel(Parcel source) { 91 return new ObbInfo(source); 92 } 93 94 public ObbInfo[] newArray(int size) { 95 return new ObbInfo[size]; 96 } 97 }; 98 99 private ObbInfo(Parcel source) { 100 filename = source.readString(); 101 packageName = source.readString(); 102 version = source.readInt(); 103 flags = source.readInt(); 104 salt = source.createByteArray(); 105 } 106 } 107