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 a certificate pair according to RFC 4523 :
029 * 
030 * <pre>
031 * "Due to changes made to the definition of a CertificatePair through time,
032 *  no LDAP-specific encoding is defined for this syntax.  Values of this
033 *  syntax SHOULD be encoded using Distinguished Encoding Rules (DER)
034 *  [X.690] and MUST only be transferred using the ;binary transfer
035 *  option"
036 *  </pre>
037 * 
038 * It has been removed in RFC 4517
039 *  
040 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
041 */
042@SuppressWarnings("serial")
043public final class CertificatePairSyntaxChecker extends SyntaxChecker
044{
045    /**
046     * A static instance of CertificatePairSyntaxChecker
047     */
048    public static final CertificatePairSyntaxChecker INSTANCE = new CertificatePairSyntaxChecker(
049        SchemaConstants.CERTIFICATE_PAIR_SYNTAX );
050    
051    /**
052     * A static Builder for this class
053     */
054    public static final class Builder extends SCBuilder<CertificatePairSyntaxChecker>
055    {
056        /**
057         * The Builder constructor
058         */
059        private Builder()
060        {
061            super( SchemaConstants.CERTIFICATE_PAIR_SYNTAX );
062        }
063        
064        
065        /**
066         * Create a new instance of CertificatePairSyntaxChecker
067         * @return A new instance of CertificatePairSyntaxChecker
068         */
069        @Override
070        public CertificatePairSyntaxChecker build()
071        {
072            return new CertificatePairSyntaxChecker( oid );
073        }
074    }
075
076    
077    /**
078     * Creates a new instance of CertificatePairSyntaxChecker.
079     * 
080     * @param oid The OID to use for this SyntaxChecker
081     */
082    private CertificatePairSyntaxChecker( String oid )
083    {
084        super( oid );
085    }
086
087    
088    /**
089     * @return An instance of the Builder for this class
090     */
091    public static Builder builder()
092    {
093        return new Builder();
094    }
095}