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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one
3    *  or more contributor license agreements.  See the NOTICE file
4    *  distributed with this work for additional information
5    *  regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    *  "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *  
10   *    https://www.apache.org/licenses/LICENSE-2.0
11   *  
12   *  Unless required by applicable law or agreed to in writing,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License. 
18   *  
19   */
20  package org.apache.directory.api.ldap.codec.actions.request.search.filter;
21  
22  
23  import org.apache.directory.api.asn1.DecoderException;
24  import org.apache.directory.api.asn1.ber.grammar.GrammarAction;
25  import org.apache.directory.api.asn1.ber.tlv.TLV;
26  import org.apache.directory.api.i18n.I18n;
27  import org.apache.directory.api.ldap.codec.api.LdapMessageContainer;
28  import org.apache.directory.api.ldap.codec.search.AndFilter;
29  import org.apache.directory.api.ldap.codec.search.Filter;
30  import org.apache.directory.api.ldap.model.message.SearchRequest;
31  import org.slf4j.Logger;
32  import org.slf4j.LoggerFactory;
33  
34  
35  /**
36   * The action used to initialize the AND filter
37   * 
38   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
39   */
40  public class InitAndFilter extends GrammarAction<LdapMessageContainer<SearchRequest>>
41  {
42      /** The logger */
43      private static final Logger LOG = LoggerFactory.getLogger( InitAndFilter.class );
44  
45      /**
46       * Instantiates a new init AND filter action.
47       */
48      public InitAndFilter()
49      {
50          super( "Initialize AND filter" );
51      }
52  
53  
54      /**
55       * {@inheritDoc}
56       */
57      public void action( LdapMessageContainer<SearchRequest> container ) throws DecoderException
58      {
59          TLV tlv = container.getCurrentTLV();
60  
61          if ( tlv.getLength() == 0 )
62          {
63              String msg = I18n.err( I18n.ERR_05134_EMPTY_AND_FILTER_PDU );
64              LOG.error( msg );
65              throw new DecoderException( msg );
66          }
67  
68          // We can allocate the SearchRequest
69          Filter andFilter = new AndFilter( tlv.getId()  );
70  
71          // Set the filter
72          container.addCurrentFilter( andFilter );
73  
74          if ( LOG.isDebugEnabled() )
75          {
76              LOG.debug( I18n.msg( I18n.MSG_05141_INITIALIZE_AND_FILTER ) );
77          }
78      }
79  }