View Javadoc
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.model.schema.parsers;
21  
22  
23  import java.text.ParseException;
24  
25  import org.apache.directory.api.i18n.I18n;
26  import org.apache.directory.api.ldap.model.schema.LdapSyntax;
27  
28  
29  /**
30   * A parser for RFC 4512 LDAP syntx descriptions.
31   * 
32   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
33   */
34  public class LdapSyntaxDescriptionSchemaParser extends AbstractSchemaParser<LdapSyntax>
35  {
36  
37      /**
38       * Creates a schema parser instance.
39       */
40      public LdapSyntaxDescriptionSchemaParser()
41      {
42          super( LdapSyntax.class, I18n.ERR_13842_CANNOT_PARSE_NULL_SYNTAX, I18n.ERR_13843_SYNTAX_PARSING_FAILURE, 
43              I18n.ERR_13844_SYNTAX_DESC_PARSING_FAILURE );
44      }
45  
46  
47      /**
48       * Parses a LDAP syntax description according to RFC 4512:
49       * 
50       * <pre>
51       * SyntaxDescription = LPAREN WSP
52       *    numericoid                 ; object identifier
53       *    [ SP "DESC" SP qdstring ]  ; description
54       *    extensions WSP RPAREN      ; extensions
55       * </pre>
56       * 
57       * @param ldapSyntaxDescription the LDAP syntax description to be parsed
58       * @return the parsed LdapSyntax bean
59       * @throws ParseException if there are any recognition errors (bad syntax)
60       */
61      public LdapSyntax parse( String ldapSyntaxDescription ) throws ParseException
62      {
63          LdapSyntax ldapSyntax = fastParser.parseLdapSyntax( ldapSyntaxDescription );
64          ldapSyntax.setSpecification( ldapSyntaxDescription );
65  
66          // Update the schemaName
67          updateSchemaName( ldapSyntax );
68  
69          return ldapSyntax;
70      }
71  }