content: /*
   * Copyright (C) 2015 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.security.net.config;
  
  import android.util.ArraySet;
  import java.util.Collections;
  import java.util.Set;
  
  /** @hide */
  public final class PinSet {
      public static final PinSet EMPTY_PINSET =
              new PinSet(Collections.<Pin>emptySet(), Long.MAX_VALUE);
      public final long expirationTime;
      public final Set<Pin> pins;
  
      public PinSet(Set<Pin> pins, long expirationTime) {
          if (pins == null) {
              throw new NullPointerException("pins must not be null");
          }
          this.pins = pins;
          this.expirationTime = expirationTime;
      }
  
      Set<String> getPinAlgorithms() {
          // TODO: Cache this.
          Set<String> algorithms = new ArraySet<String>();
          for (Pin pin : pins) {
              algorithms.add(pin.digestAlgorithm);
          }
          return algorithms;
      }
  }
  