1/* 2 * Copyright (C) 2012 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.pm; 18 19import android.os.IBinder; 20import android.os.Parcel; 21import android.os.Parcelable; 22 23/** 24 * Represents a {@code KeySet} that has been declared in the AndroidManifest.xml 25 * file for the application. A {@code KeySet} can be used explicitly to 26 * represent a trust relationship with other applications on the device. 27 * @hide 28 */ 29public class KeySet implements Parcelable { 30 31 private IBinder token; 32 33 /** @hide */ 34 public KeySet(IBinder token) { 35 if (token == null) { 36 throw new NullPointerException("null value for KeySet IBinder token"); 37 } 38 this.token = token; 39 } 40 41 /** @hide */ 42 public IBinder getToken() { 43 return token; 44 } 45 46 /** @hide */ 47 @Override 48 public boolean equals(Object o) { 49 if (o instanceof KeySet) { 50 KeySet ks = (KeySet) o; 51 return token == ks.token; 52 } 53 return false; 54 } 55 56 /** @hide */ 57 @Override 58 public int hashCode() { 59 return token.hashCode(); 60 } 61 62 /** 63 * Implement Parcelable 64 * @hide 65 */ 66 public static final Parcelable.Creator<KeySet> CREATOR 67 = new Parcelable.Creator<KeySet>() { 68 69 /** 70 * Create a KeySet from a Parcel 71 * 72 * @param in The parcel containing the KeySet 73 */ 74 public KeySet createFromParcel(Parcel source) { 75 return readFromParcel(source); 76 } 77 78 /** 79 * Create an array of null KeySets 80 */ 81 public KeySet[] newArray(int size) { 82 return new KeySet[size]; 83 } 84 }; 85 86 /** 87 * @hide 88 */ 89 private static KeySet readFromParcel(Parcel in) { 90 IBinder token = in.readStrongBinder(); 91 return new KeySet(token); 92 } 93 94 /** 95 * @hide 96 */ 97 @Override 98 public void writeToParcel(Parcel out, int flags) { 99 out.writeStrongBinder(token); 100 } 101 102 /** 103 * @hide 104 */ 105 @Override 106 public int describeContents() { 107 return 0; 108 } 109}