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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;
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.BerValue;
26  import org.apache.directory.api.asn1.ber.tlv.BooleanDecoder;
27  import org.apache.directory.api.asn1.ber.tlv.BooleanDecoderException;
28  import org.apache.directory.api.asn1.ber.tlv.TLV;
29  import org.apache.directory.api.i18n.I18n;
30  import org.apache.directory.api.ldap.codec.api.LdapMessageContainer;
31  import org.apache.directory.api.ldap.model.message.SearchRequest;
32  import org.apache.directory.api.util.Strings;
33  import org.slf4j.Logger;
34  import org.slf4j.LoggerFactory;
35  
36  
37  /**
38   * The action used to store the SearchRequest typesOnly flag
39   * <pre>
40   * SearchRequest ::= [APPLICATION 3] SEQUENCE {
41   *     ...
42   *     typesOnly BOOLEAN,
43   *     ...
44   * </pre>
45   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
46   */
47  public class StoreSearchRequestTypesOnly extends GrammarAction<LdapMessageContainer<SearchRequest>>
48  {
49      /** The logger */
50      private static final Logger LOG = LoggerFactory.getLogger( StoreSearchRequestTypesOnly.class );
51  
52      /**
53       * Instantiates a new action.
54       */
55      public StoreSearchRequestTypesOnly()
56      {
57          super( "Store SearchRequest typesOnly flag" );
58      }
59  
60  
61      /**
62       * {@inheritDoc}
63       */
64      public void action( LdapMessageContainer<SearchRequest> container ) throws DecoderException
65      {
66          SearchRequest searchRequest = container.getMessage();
67  
68          TLV tlv = container.getCurrentTLV();
69  
70          // We get the value. If it's a 0, it's a FALSE. If it's
71          // a FF, it's a TRUE. Any other value should be an error,
72          // but we could relax this constraint. So if we have
73          // something
74          // which is not 0, it will be interpreted as TRUE, but we
75          // will generate a warning.
76          BerValue value = tlv.getValue();
77  
78          try
79          {
80              searchRequest.setTypesOnly( BooleanDecoder.parse( value ) );
81          }
82          catch ( BooleanDecoderException bde )
83          {
84              LOG.error( I18n
85                  .err( I18n.ERR_05155_FLAG_TYPE_INVALID, Strings.dumpBytes( value.getData() ), bde.getMessage() ) );
86  
87              throw new DecoderException( bde.getMessage(), bde );
88          }
89  
90          if ( LOG.isDebugEnabled() )
91          {
92              LOG.debug( I18n.msg( I18n.MSG_05165_SEARCH_RETURN_TYPE_ONLY ) );
93          }
94      }
95  }