/*
    *  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.
   *
   */
  package org.apache.directory.shared.kerberos.codec.kdcReqBody.actions;
  
  
  import org.apache.directory.api.asn1.DecoderException;
  import org.apache.directory.api.asn1.ber.grammar.GrammarAction;
  import org.apache.directory.api.asn1.ber.tlv.BerValue;
  import org.apache.directory.api.asn1.ber.tlv.TLV;
  import org.apache.directory.api.i18n.I18n;
  import org.apache.directory.api.util.Strings;
  import org.apache.directory.shared.kerberos.KerberosTime;
  import org.apache.directory.shared.kerberos.codec.kdcReqBody.KdcReqBodyContainer;
  import org.apache.directory.shared.kerberos.components.KdcReqBody;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  
  /**
   * The action used to store the till KerberosTime
   *
   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
   */
  public class StoreTill extends GrammarAction<KdcReqBodyContainer>
  {
      /** The logger */
      private static final Logger LOG = LoggerFactory.getLogger( StoreTill.class );
  
      /** Speedup for logs */
      private static final boolean IS_DEBUG = LOG.isDebugEnabled();
  
  
      /**
       * Instantiates a new StoreTill action.
       */
      public StoreTill()
      {
          super( "Stores the Till" );
      }
  
  
      /**
       * {@inheritDoc}
       */
      public void action( KdcReqBodyContainer kdcReqBodyContainer ) throws DecoderException
      {
          TLV tlv = kdcReqBodyContainer.getCurrentTLV();
  
          // The Length should not be null and should be 15
          if ( tlv.getLength() != 15 )
          {
              LOG.error( I18n.err( I18n.ERR_01308_ZERO_LENGTH_TLV ) );
  
              // This will generate a PROTOCOL_ERROR
              throw new DecoderException( I18n.err( I18n.ERR_01309_EMPTY_TLV ) );
          }
  
          KdcReqBody kdcReqBody = kdcReqBodyContainer.getKdcReqBody();
  
          // The value is the KerberosTime
          BerValue value = tlv.getValue();
          String date = Strings.utf8ToString( value.getData() );
  
          try
          {
              KerberosTime/shared/kerberos/KerberosTime.html#KerberosTime">KerberosTime till = new KerberosTime( date );
              kdcReqBody.setTill( till );
  
              if ( IS_DEBUG )
              {
                  LOG.debug( "Till : {}", till );
              }
          }
          catch ( IllegalArgumentException iae )
          {
              LOG.error( I18n.err( I18n.ERR_01308_ZERO_LENGTH_TLV ) );
  
              // This will generate a PROTOCOL_ERROR
              throw new DecoderException( I18n.err( I18n.ERR_01309_EMPTY_TLV ) );
          }
      }
  }