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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.api;
21  
22  import org.apache.directory.api.ldap.model.schema.AttributeType;
23  import org.apache.directory.api.ldap.model.schema.LdapSyntax;
24  import org.apache.directory.api.ldap.model.schema.SchemaManager;
25  import org.apache.directory.api.util.Strings;
26  
27  /**
28   * An implementation of the BinaryAttributeDetector interface. It's not
29   * schema aware, so it only uses the list of binary Attributes.
30   * 
31   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
32   */
33  public class SchemaBinaryAttributeDetector implements BinaryAttributeDetector
34  {
35      /** The schemaManager to use */
36      private SchemaManager schemaManager;
37      
38      
39      protected SchemaBinaryAttributeDetector()
40      {
41      }
42      
43      
44      /**
45       * Create an instance of SchemaBinaryAttributeDetector.
46       * 
47       * @param schemaManager The SchemaManager to use
48       */
49      public SchemaBinaryAttributeDetector( SchemaManager schemaManager )
50      {
51          this.schemaManager = schemaManager;
52      }
53  
54      /**
55       * @param schemaManager the schemaManager to set
56       */
57      public void setSchemaManager( SchemaManager schemaManager )
58      {
59          this.schemaManager = schemaManager;
60      }
61  
62  
63      /**
64       * {@inheritDoc}
65       */
66      @Override
67      public boolean isBinary( String attributeId )
68      {
69          String attrId = Strings.toLowerCaseAscii( attributeId );
70  
71          if ( attrId.endsWith( ";binary" ) )
72          {
73              return true;
74          }
75  
76          if ( schemaManager != null )
77          {
78              AttributeType attributeType =  schemaManager.getAttributeType( attrId );
79              
80              if ( attributeType == null )
81              {
82                  return false;
83              }
84              
85              LdapSyntax ldapSyntax = attributeType.getSyntax();
86              
87              return ( ldapSyntax != null ) && !ldapSyntax.isHumanReadable();
88          }
89  
90          return false;
91      }
92  }