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 Vladimir N. Molotkov, Stepan M. Mishura
  * @version $Revision$
  */
  
  package android.framework.org.apache.harmony.security_custom.asn1;
  
  import org.apache.commons.compress.utils.Charsets;
  
  import java.io.IOException;
  import java.text.SimpleDateFormat;
  import java.util.TimeZone;
  
  /**
   * This class represents ASN.1 GeneralizedTime type.
   *
   * @see http://asn1.elibel.tm.fr/en/standards/index.htm
   */
  public final class ASN1GeneralizedTime extends ASN1Time {
  
      // default implementation
      private static final ASN1GeneralizedTime ASN1 = new ASN1GeneralizedTime();
  
      /**
       * Constructs ASN.1 GeneralizedTime type
       *
       * The constructor is provided for inheritance purposes
       * when there is a need to create a custom ASN.1 GeneralizedTime type.
       * To get a default implementation it is recommended to use
       * getInstance() method.
       */
      public ASN1GeneralizedTime() {
          super(TAG_GENERALIZEDTIME);
      }
  
      /**
       * Returns ASN.1 GeneralizedTime type default implementation
       *
       * The default implementation works with encoding
       * that is represented as Date object.
       *
       * @return ASN.1 GeneralizedTime type default implementation
       */
      public static ASN1GeneralizedTime getInstance() {
          return ASN1;
      }
  
      public Object decode(BerInputStream in) throws IOException {
          in.readGeneralizedTime();
  
          if (in.isVerify) {
              return null;
          }
          return getDecodedObject(in);
      }
  
      public void encodeContent(BerOutputStream out) {
          out.encodeGeneralizedTime();
      }
  
      // FIXME support only one format for encoding, do we need others?
      //
      // According to X.680:
      // four digit year, seconds always presented
      // and fractional-seconds elements without
      // trailing 0's (must be cut later from content)
      private static final String GEN_PATTERN = "yyyyMMddHHmmss.SSS";
  
      public void setEncodingContent(BerOutputStream out) {
          SimpleDateFormat sdf = new SimpleDateFormat(GEN_PATTERN);
          sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
          String temp = sdf.format(out.content);
          // cut off trailing 0s
          int nullId;
          int currLength;
          while (((nullId = temp.lastIndexOf('0', currLength = temp.length() - 1)) != -1)
                  & (nullId == currLength)) {
              temp = temp.substring(0, nullId);
          }
          // deal with point (cut off if it is last char)
          if (temp.charAt(currLength) == '.') {
              temp = temp.substring(0, currLength);
          }
  
          out.content = (temp + "Z").getBytes(Charsets.UTF_8);
          out.length = ((byte[]) out.content).length;
      }
  }
  