/*
    *  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
    *  
   *    https://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.api.ldap.codec.actions.request.search.filter;
  
  
  import org.apache.directory.api.asn1.DecoderException;
  import org.apache.directory.api.asn1.ber.grammar.GrammarAction;
  import org.apache.directory.api.i18n.I18n;
  import org.apache.directory.api.ldap.codec.api.LdapCodecConstants;
  import org.apache.directory.api.ldap.codec.api.LdapMessageContainer;
  import org.apache.directory.api.ldap.codec.search.AttributeValueAssertionFilter;
  import org.apache.directory.api.ldap.codec.search.Filter;
  import org.apache.directory.api.ldap.model.message.SearchRequest;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  
  /**
   * The action used to initialize the Approx Match filter
   * 
   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
   */
  public class InitApproxMatchFilter extends GrammarAction<LdapMessageContainer<SearchRequest>>
  {
      /** The logger */
      private static final Logger LOG = LoggerFactory.getLogger( InitApproxMatchFilter.class );
  
      /**
       * Instantiates a new init approx match filter action.
       */
      public InitApproxMatchFilter()
      {
          super( "Init Approx Match filter Value" );
      }
  
  
      /**
       * {@inheritDoc}
       */
      public void action( LdapMessageContainer<SearchRequest> container ) throws DecoderException
      {
          // We can allocate the Attribute Value Assertion
          Filter filter = new AttributeValueAssertionFilter( container.getCurrentTLV().getId(),
              LdapCodecConstants.APPROX_MATCH_FILTER );
  
          container.addCurrentFilter( filter );
  
          // Store the filter structure that still has to be
          // fulfilled
          container.setTerminalFilter( filter );
  
          if ( LOG.isDebugEnabled() )
          {
              LOG.debug( I18n.msg( I18n.MSG_05142_INITIALIZE_APPROX_FILTER ) );
          }
      }
  }