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.slf4j.Logger;
024    import org.slf4j.LoggerFactory;
025    
026    
027    /**
028     * A SyntaxChecker which verifies that a value is a Fax according to RFC 4517.
029     * 
030     * We didn't implemented the check against RFC 804, so the value is considered
031     * to contain an OctetString.
032     *  
033     * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
034     * @version $Rev: 488616 $
035     */
036    public class FaxSyntaxChecker extends BinarySyntaxChecker
037    {
038        /** A logger for this class */
039        private static final Logger LOG = LoggerFactory.getLogger( FaxSyntaxChecker.class );
040    
041        /** The serialVersionUID */
042        private static final long serialVersionUID = 1L;
043    
044        /**
045         * Private default constructor to prevent unnecessary instantiation.
046         */
047        public FaxSyntaxChecker()
048        {
049            super();
050            setOid( SchemaConstants.FAX_SYNTAX );
051        }
052    
053    
054        /**
055         * {@inheritDoc}
056         */
057        public boolean isValidSyntax( Object value )
058        {
059            LOG.debug( "Syntax valid for '{}'", value );
060            return true;
061        }
062    }