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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;
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.ExtensibleMatchFilter;
30  import org.apache.directory.api.util.Strings;
31  import org.slf4j.Logger;
32  import org.slf4j.LoggerFactory;
33  
34  
35  /**
36   * The action used to store a type matching rule
37   * 
38   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
39   */
40  public class StoreTypeMatchingRule extends GrammarAction<LdapMessageContainer<SearchRequestDecorator>>
41  {
42  
43      /** The logger. */
44      private static final Logger LOG = LoggerFactory.getLogger( StoreTypeMatchingRule.class );
45  
46      /** Speedup for logs */
47      private static final boolean IS_DEBUG = LOG.isDebugEnabled();
48  
49  
50      /**
51       * Instantiates a new store type matching rule action.
52       */
53      public StoreTypeMatchingRule()
54      {
55          super( "Store matching type Value" );
56      }
57  
58  
59      /**
60       * {@inheritDoc}
61       */
62      public void action( LdapMessageContainer<SearchRequestDecorator> container ) throws DecoderException
63      {
64          SearchRequestDecorator searchRequest = container.getMessage();
65  
66          TLV tlv = container.getCurrentTLV();
67  
68          if ( tlv.getLength() == 0 )
69          {
70              String msg = I18n.err( I18n.ERR_04022 );
71              LOG.error( msg );
72              throw new DecoderException( msg );
73          }
74          else
75          {
76              // Store the value.
77              ExtensibleMatchFilter extensibleMatchFilter = ( ExtensibleMatchFilter ) searchRequest.getTerminalFilter();
78  
79              String type = Strings.utf8ToString( tlv.getValue().getData() );
80              extensibleMatchFilter.setType( type );
81  
82              if ( IS_DEBUG )
83              {
84                  LOG.debug( "Stored a type matching rule : {}", type );
85              }
86          }
87      }
88  }