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.syntaxes;
021    
022    import org.apache.directory.shared.ldap.constants.SchemaConstants;
023    import org.apache.directory.shared.ldap.schema.AbstractSyntaxChecker;
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 AbstractSyntaxChecker
039    {
040        /**
041         * 
042         * Creates a new instance of OctetStringSyntaxChecker.
043         *
044         */
045        public OctetStringSyntaxChecker()
046        {
047            super( SchemaConstants.OCTET_STRING_SYNTAX );
048        }
049    
050        
051        /**
052         * 
053         * Creates a new instance of OctetStringSyntaxChecker.
054         * 
055         * @param oid the oid to associate with this new SyntaxChecker
056         *
057         */
058        protected OctetStringSyntaxChecker( String oid )
059        {
060            super( oid );
061        }
062        
063    
064        
065        /**
066         * {@inheritDoc}
067         */
068        public boolean isValidSyntax( Object value )
069        {
070            // It must be a byte[]
071            return value instanceof byte[];
072        }
073    }