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 */
020package org.apache.directory.api.ldap.model.schema.syntaxCheckers;
021
022
023import org.apache.directory.api.ldap.model.constants.SchemaConstants;
024import org.apache.directory.api.ldap.model.schema.SyntaxChecker;
025
026
027/**
028 * A SyntaxChecker which verifies that a value is an Audio according to RFC 2252.
029 * 
030 * <pre>
031 * The encoding of a value with Audio syntax is the octets of the value
032 * itself, an 8KHz uncompressed encoding compatible with the SunOS 
033 * 4.1.3 'play' utility. We implement it as a binary element.
034 * </pre>
035 * 
036 * It has been removed in RFC 4517
037 *  
038 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
039 */
040@SuppressWarnings("serial")
041public final class AudioSyntaxChecker extends SyntaxChecker
042{
043    /**
044     * A static instance of AudioSyntaxChecker
045     */
046    public static final AudioSyntaxChecker INSTANCE = new AudioSyntaxChecker( SchemaConstants.AUDIO_SYNTAX );
047
048    /**
049     * A static Builder for this class
050     */
051    public static final class Builder extends SCBuilder<AudioSyntaxChecker>
052    {
053        /**
054         * The Builder constructor
055         */
056        private Builder()
057        {
058            super( SchemaConstants.AUDIO_SYNTAX );
059        }
060        
061        
062        /**
063         * Create a new instance of AudioSyntaxChecker
064         * @return A new instance of AudioSyntaxChecker
065         */
066        @Override
067        public AudioSyntaxChecker build()
068        {
069            return new AudioSyntaxChecker( oid );
070        }
071    }
072
073    
074    /**
075     * Creates a new instance of AudioSyntaxChecker
076     * 
077     * @param oid The OID to use for this SyntaxChecker
078     */
079    private AudioSyntaxChecker( String oid )
080    {
081        super( oid );
082    }
083
084
085    /**
086     * @return An instance of the Builder for this class
087     */
088    public static Builder builder()
089    {
090        return new Builder();
091    }
092}