001    /*
002     *  Licensed to the Apache Software Foundation (ASF) under one
003     *  or more contributor license agreements.  See the NOTICE file
004     *  distributed with this work for additional information
005     *  regarding copyright ownership.  The ASF licenses this file
006     *  to you under the Apache License, Version 2.0 (the
007     *  "License"); you may not use this file except in compliance
008     *  with the License.  You may obtain a copy of the License at
009     *  
010     *    http://www.apache.org/licenses/LICENSE-2.0
011     *  
012     *  Unless required by applicable law or agreed to in writing,
013     *  software distributed under the License is distributed on an
014     *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     *  KIND, either express or implied.  See the License for the
016     *  specific language governing permissions and limitations
017     *  under the License. 
018     *  
019     */
020    package org.apache.directory.shared.ldap.schema.syntaxCheckers;
021    
022    import org.apache.directory.shared.ldap.constants.SchemaConstants;
023    import org.apache.directory.shared.ldap.schema.SyntaxChecker;
024    
025    
026    /**
027     * A SyntaxChecker which verifies that a value is a Octet String according to RFC 4517.
028     * 
029     * From RFC 4517 :
030     * OctetString = *OCTET
031     * 
032     * From RFC 4512 :
033     * OCTET   = %x00-FF ; Any octet (8-bit data unit)
034     * 
035     * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
036     * @version $Rev: 437007 $
037     */
038    public class OctetStringSyntaxChecker extends SyntaxChecker
039    {
040        /** The serialVersionUID */
041        private static final long serialVersionUID = 1L;
042    
043        /**
044         * Creates a new instance of OctetStringSyntaxChecker.
045         */
046        public OctetStringSyntaxChecker()
047        {
048            super( SchemaConstants.OCTET_STRING_SYNTAX );
049        }
050        
051        
052        /**
053         * Creates a new instance of OctetStringSyntaxChecker, with a specific OID
054         * 
055         * @param oid The Syntax's OID 
056         */
057        public OctetStringSyntaxChecker( String oid )
058        {
059            super( oid );
060        }
061        
062        
063        /**
064         * {@inheritDoc}
065         */
066        public boolean isValidSyntax( Object value )
067        {
068            return ( value != null );
069        }
070    }