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
17package android.content.res;
18
19import android.os.Parcel;
20import 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 */
27public 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