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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   *    http://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.searchRequest.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.decorators.SearchRequestDecorator;
29  import org.apache.directory.api.ldap.codec.search.AndFilter;
30  import org.apache.directory.api.ldap.codec.search.Filter;
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<SearchRequestDecorator>>
41  {
42      /** The logger */
43      private static final Logger LOG = LoggerFactory.getLogger( InitAndFilter.class );
44  
45      /** Speedup for logs */
46      private static final boolean IS_DEBUG = LOG.isDebugEnabled();
47  
48  
49      /**
50       * Instantiates a new init AND filter action.
51       */
52      public InitAndFilter()
53      {
54          super( "Initialize AND filter" );
55      }
56  
57  
58      /**
59       * {@inheritDoc}
60       */
61      public void action( LdapMessageContainer<SearchRequestDecorator> container ) throws DecoderException
62      {
63          TLV tlv = container.getCurrentTLV();
64  
65          if ( tlv.getLength() == 0 )
66          {
67              String msg = I18n.err( I18n.ERR_04006 );
68              LOG.error( msg );
69              throw new DecoderException( msg );
70          }
71  
72          SearchRequestDecorator searchRequestDecorator = container.getMessage();
73  
74          // We can allocate the SearchRequest
75          Filter andFilter = new AndFilter( container.getTlvId() );
76  
77          // Set the filter
78          searchRequestDecorator.addCurrentFilter( andFilter );
79  
80          if ( IS_DEBUG )
81          {
82              LOG.debug( "Initialize AND filter" );
83          }
84      }
85  }