content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one or more
   *  contributor license agreements.  See the NOTICE file distributed with
   *  this work for additional information regarding copyright ownership.
   *  The ASF licenses this file to You 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.
   */
  
  /**
  * @author Alexander Y. Kleymenov
  * @version $Revision$
  */
  
  package android.framework.org.apache.harmony.security_custom.x509;
  
  import android.framework.org.apache.harmony.security_custom.asn1.ASN1Choice;
  import android.framework.org.apache.harmony.security_custom.asn1.ASN1GeneralizedTime;
  import android.framework.org.apache.harmony.security_custom.asn1.ASN1Type;
  import android.framework.org.apache.harmony.security_custom.asn1.ASN1UTCTime;
  
  /**
   * Class represents the work with the following X.509 structure:
   * (as specified in RFC 3280 -
   *  Internet X.509 Public Key Infrastructure.
   *  Certificate and Certificate Revocation List (CRL) Profile.
   *  http://www.ietf.org/rfc/rfc3280.txt):
   *
   * <pre>
   * Time ::= CHOICE {
   *       utcTime        UTCTime,
   *       generalTime    GeneralizedTime
   * }
   * </pre>
   */
  public final class Time {
      private static final long JAN_01_2050 = 2524608000000L;
  
      public static final ASN1Choice ASN1 = new ASN1Choice(new ASN1Type[] {
              ASN1GeneralizedTime.getInstance(), ASN1UTCTime.getInstance() }) {
  
          public int getIndex(java.lang.Object object) {
              // choose encoding method (see RFC 3280 p. 22)
              if (((java.util.Date) object).getTime() < JAN_01_2050) {
                  return 1; // it is before 2050, so encode as UTCTime
              } else {
                  return 0; // it is after 2050, encode as GeneralizedTime
              }
          }
  
          public Object getObjectToEncode(Object object) {
              return object;
          }
      };
  }
  
  