content: /*
   * Copyright (C) 2009 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.os;
  
  import android.annotation.UnsupportedAppUsage;
  
  import java.util.UUID;
  
  /**
   * This class is a Parcelable wrapper around {@link UUID} which is an
   * immutable representation of a 128-bit universally unique
   * identifier.
   */
  public final class ParcelUuid implements Parcelable {
  
      private final UUID mUuid;
  
      /**
       * Constructor creates a ParcelUuid instance from the
       * given {@link UUID}.
       *
       * @param uuid UUID
       */
      public ParcelUuid(UUID uuid) {
          mUuid = uuid;
      }
  
      /**
       * Creates a new ParcelUuid from a string representation of {@link UUID}.
       *
       * @param uuid
       *            the UUID string to parse.
       * @return a ParcelUuid instance.
       * @throws NullPointerException
       *             if {@code uuid} is {@code null}.
       * @throws IllegalArgumentException
       *             if {@code uuid} is not formatted correctly.
       */
      public static ParcelUuid fromString(String uuid) {
          return new ParcelUuid(UUID.fromString(uuid));
      }
  
      /**
       * Get the {@link UUID} represented by the ParcelUuid.
       *
       * @return UUID contained in the ParcelUuid.
       */
      public UUID getUuid() {
          return mUuid;
      }
  
      /**
       * Returns a string representation of the ParcelUuid
       * For example: 0000110B-0000-1000-8000-00805F9B34FB will be the return value.
       *
       * @return a String instance.
       */
      @Override
      public String toString() {
          return mUuid.toString();
      }
  
  
     @Override
     public int hashCode() {
         return mUuid.hashCode();
     }
  
     /**
      * Compares this ParcelUuid to another object for equality. If {@code object}
      * is not {@code null}, is a ParcelUuid instance, and all bits are equal, then
      * {@code true} is returned.
      *
      * @param object
      *            the {@code Object} to compare to.
      * @return {@code true} if this ParcelUuid is equal to {@code object}
      *         or {@code false} if not.
      */
     @Override
     public boolean equals(Object object) {
         if (object == null) {
             return false;
         }
  
         if (this == object) {
             return true;
         }
  
         if (!(object instanceof ParcelUuid)) {
             return false;
         }
  
         ParcelUuid that = (ParcelUuid) object;
  
         return (this.mUuid.equals(that.mUuid));
     }
  
     public static final @android.annotation.NonNull Parcelable.Creator<ParcelUuid> CREATOR =
                 new Parcelable.Creator<ParcelUuid>() {
          @UnsupportedAppUsage
          public ParcelUuid createFromParcel(Parcel source) {
              long mostSigBits = source.readLong();
              long leastSigBits = source.readLong();
              UUID uuid = new UUID(mostSigBits, leastSigBits);
              return new ParcelUuid(uuid);
          }
  
          public ParcelUuid[] newArray(int size) {
              return new ParcelUuid[size];
          }
      };
  
      public int describeContents() {
          return 0;
      }
  
      public void writeToParcel(Parcel dest, int flags) {
          dest.writeLong(mUuid.getMostSignificantBits());
          dest.writeLong(mUuid.getLeastSignificantBits());
      }
  }
  