content: /*
   * Copyright (C) 2012 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package android.content.pm;
  
  import android.os.IBinder;
  import android.os.Parcel;
  import android.os.Parcelable;
  
  /**
   * Represents a {@code KeySet} that has been declared in the AndroidManifest.xml
   * file for the application.  A {@code KeySet} can be used explicitly to
   * represent a trust relationship with other applications on the device.
   * @hide
   */
  public class KeySet implements Parcelable {
  
      private IBinder token;
  
      /** @hide */
      public KeySet(IBinder token) {
          if (token == null) {
              throw new NullPointerException("null value for KeySet IBinder token");
          }
          this.token = token;
      }
  
      /** @hide */
      public IBinder getToken() {
          return token;
      }
  
      /** @hide */
      @Override
      public boolean equals(Object o) {
          if (o instanceof KeySet) {
              KeySet ks = (KeySet) o;
              return token == ks.token;
          }
          return false;
      }
  
      /** @hide */
      @Override
      public int hashCode() {
          return token.hashCode();
      }
  
      /**
       * Implement Parcelable
       * @hide
       */
      public static final @android.annotation.NonNull Parcelable.Creator<KeySet> CREATOR
              = new Parcelable.Creator<KeySet>() {
  
          /**
           * Create a KeySet from a Parcel
           *
           * @param in The parcel containing the KeySet
           */
          public KeySet createFromParcel(Parcel source) {
              return readFromParcel(source);
          }
  
          /**
           * Create an array of null KeySets
           */
          public KeySet[] newArray(int size) {
              return new KeySet[size];
          }
      };
  
      /**
       * @hide
       */
      private static KeySet readFromParcel(Parcel in) {
          IBinder token = in.readStrongBinder();
          return new KeySet(token);
      }
  
      /**
       * @hide
       */
      @Override
      public void writeToParcel(Parcel out, int flags) {
          out.writeStrongBinder(token);
      }
  
      /**
       * @hide
       */
      @Override
      public int describeContents() {
          return 0;
      }
  }