/*
    *  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;
  
  
  import org.apache.directory.api.asn1.DecoderException;
  import org.apache.directory.api.asn1.ber.grammar.GrammarAction;
  import org.apache.directory.api.asn1.ber.tlv.TLV;
  import org.apache.directory.api.i18n.I18n;
  import org.apache.directory.api.ldap.codec.api.LdapMessageContainer;
  import org.apache.directory.api.ldap.codec.api.ResponseCarryingException;
  import org.apache.directory.api.ldap.model.exception.LdapInvalidDnException;
  import org.apache.directory.api.ldap.model.message.ResultCodeEnum;
  import org.apache.directory.api.ldap.model.message.SearchRequest;
  import org.apache.directory.api.ldap.model.message.SearchResultDoneImpl;
  import org.apache.directory.api.ldap.model.name.Dn;
  import org.apache.directory.api.ldap.model.name.DnFactory;
  import org.apache.directory.api.util.Strings;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  
  /**
   * The action used to store the SearchRequest base object
   * <pre>
   * SearchRequest ::= [APPLICATION 3] SEQUENCE {
   *     baseObject LDAPDN,
   *     ...
   * </pre>
   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
   */
  public class StoreSearchRequestBaseObject extends GrammarAction<LdapMessageContainer<SearchRequest>>
  {
      /** The logger */
      private static final Logger LOG = LoggerFactory.getLogger( StoreSearchRequestBaseObject.class );
  
  
      /**
       * Instantiates a new action.
       */
      public StoreSearchRequestBaseObject()
      {
          super( "Store SearchRequest object Name" );
      }
  
  
      /**
       * {@inheritDoc}
       */
      public void action( LdapMessageContainer<SearchRequest> container ) throws DecoderException
      {
          SearchRequest searchRequest = container.getMessage();
  
          TLV tlv = container.getCurrentTLV();
  
          // We have to check that this is a correct Dn
          // We have to handle the special case of a 0 length base
          // object,
          // which means that the search is done from the default
          // root.
          if ( tlv.getLength() != 0 )
          {
              byte[] dnBytes = tlv.getValue().getData();
              String dnStr = Strings.utf8ToString( dnBytes );
  
              try
              {
                  DnFactory dnFactory = container.getDnFactory();
                  Dn baseObject;
  
                  if ( dnFactory == null )
                  {
                      baseObject = new Dn( dnStr );
                  }
                  else
                  {
                      baseObject = new Dn( dnStr ); //dnFactory.create( dnStr );
                  }
                  
                  searchRequest.setBase( baseObject );
              }
              catch ( LdapInvalidDnException ine )
             {
                 String msg = I18n.err( I18n.ERR_05132_INVALID_ROOT_DN, dnStr, Strings.dumpBytes( dnBytes ) );
                 LOG.error( I18n.err( I18n.ERR_05114_ERROR_MESSAGE, msg, ine.getMessage() ) );
 
                 SearchResultDoneImpl response = new SearchResultDoneImpl( searchRequest.getMessageId() );
                 throw new ResponseCarryingException( msg, response, ResultCodeEnum.INVALID_DN_SYNTAX,
                     Dn.EMPTY_DN, ine );
             }
         }
         else
         {
             searchRequest.setBase( Dn.EMPTY_DN );
         }
 
         if ( LOG.isDebugEnabled() )
         {
             LOG.debug( I18n.msg( I18n.MSG_05160_SEARCHING_WITH_ROOT_DN, searchRequest.getBase() ) );
         }
     }
 }