content: /*
   * Copyright (C) 2016 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.keymaster;
  
  import android.os.Parcel;
  import android.os.Parcelable;
  
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * Utility class for the Java side of keystore-generated certificate chains.
   *
   * Serialization code for this must be kept in sync with system/security/keystore
   * @hide
   */
  public class KeymasterCertificateChain implements Parcelable {
  
      private List<byte[]> mCertificates;
  
      public static final @android.annotation.NonNull Parcelable.Creator<KeymasterCertificateChain> CREATOR = new
              Parcelable.Creator<KeymasterCertificateChain>() {
                  public KeymasterCertificateChain createFromParcel(Parcel in) {
                      return new KeymasterCertificateChain(in);
                  }
                  public KeymasterCertificateChain[] newArray(int size) {
                      return new KeymasterCertificateChain[size];
                  }
              };
  
      public KeymasterCertificateChain() {
          mCertificates = null;
      }
  
      public KeymasterCertificateChain(List<byte[]> mCertificates) {
          this.mCertificates = mCertificates;
      }
  
      private KeymasterCertificateChain(Parcel in) {
          readFromParcel(in);
      }
  
      /**
       * Makes a shallow copy of other by copying the reference to the certificate chain list.
       * @param other
       */
      public void shallowCopyFrom(KeymasterCertificateChain other) {
          this.mCertificates = other.mCertificates;
      }
  
      public List<byte[]> getCertificates() {
          return mCertificates;
      }
  
      @Override
      public void writeToParcel(Parcel out, int flags) {
          if (mCertificates == null) {
              out.writeInt(0);
          } else {
              out.writeInt(mCertificates.size());
              for (byte[] arg : mCertificates) {
                  out.writeByteArray(arg);
              }
          }
      }
  
      public void readFromParcel(Parcel in) {
          int length = in.readInt();
          mCertificates = new ArrayList<byte[]>(length);
          for (int i = 0; i < length; i++) {
              mCertificates.add(in.createByteArray());
          }
      }
  
      @Override
      public int describeContents() {
          return 0;
      }
  }
  