content: /*
   * Copyright (C) 2017 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.net;
  
  import android.os.Parcel;
  import android.os.Parcelable;
  
  /**
   * MatchAllNetworkSpecifier is a marker class used by NetworkFactory classes to indicate
   * that they accept (match) any network specifier in requests.
   *
   * The class must never be used as part of a network request (those semantics aren't specified).
   *
   * @hide
   */
  public final class MatchAllNetworkSpecifier extends NetworkSpecifier implements Parcelable {
      /**
       * Utility method which verifies that the ns argument is not a MatchAllNetworkSpecifier and
       * throws an IllegalArgumentException if it is.
       */
      public static void checkNotMatchAllNetworkSpecifier(NetworkSpecifier ns) {
          if (ns instanceof MatchAllNetworkSpecifier) {
              throw new IllegalArgumentException("A MatchAllNetworkSpecifier is not permitted");
          }
      }
  
      public boolean satisfiedBy(NetworkSpecifier other) {
          /*
           * The method is called by a NetworkRequest to see if it is satisfied by a proposed
           * network (e.g. as offered by a network factory). Since MatchAllNetweorkSpecifier must
           * not be used in network requests this method should never be called.
           */
          throw new IllegalStateException(
                  "MatchAllNetworkSpecifier must not be used in NetworkRequests");
      }
  
      @Override
      public boolean equals(Object o) {
          return o instanceof MatchAllNetworkSpecifier;
      }
  
      @Override
      public int hashCode() {
          return 0;
      }
  
      @Override
      public int describeContents() {
          return 0;
      }
  
      @Override
      public void writeToParcel(Parcel dest, int flags) {
          // Nothing to write.
      }
  
      public static final @android.annotation.NonNull Parcelable.Creator<MatchAllNetworkSpecifier> CREATOR =
              new Parcelable.Creator<MatchAllNetworkSpecifier>() {
          public MatchAllNetworkSpecifier createFromParcel(Parcel in) {
              return new MatchAllNetworkSpecifier();
          }
          public MatchAllNetworkSpecifier[] newArray(int size) {
              return new MatchAllNetworkSpecifier[size];
          }
      };
  }
  