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; 021 022 023 import org.apache.directory.shared.ldap.constants.SchemaConstants; 024 import org.apache.directory.shared.ldap.schema.SyntaxChecker; 025 import org.apache.directory.shared.ldap.util.StringTools; 026 import org.slf4j.Logger; 027 import org.slf4j.LoggerFactory; 028 029 030 /** 031 * A SyntaxChecker which verifies that a value is a Boolean according to RFC 1778. 032 * 033 * From RFC 1778 : 034 * 035 * <mail-preference> ::= "NO-LISTS" | "ANY-LIST" | "PROFESSIONAL-LISTS" 036 * 037 * 038 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 039 * @version $Rev$ 040 */ 041 public class MailPreferenceSyntaxChecker extends SyntaxChecker 042 { 043 /** A logger for this class */ 044 private static final Logger LOG = LoggerFactory.getLogger( MailPreferenceSyntaxChecker.class ); 045 046 /** The serialVersionUID */ 047 private static final long serialVersionUID = 1L; 048 049 /** 050 * Creates a new instance of MailPreferenceSyntaxChecker. 051 */ 052 public MailPreferenceSyntaxChecker() 053 { 054 super( SchemaConstants.MAIL_PREFERENCE_SYNTAX ); 055 } 056 057 /** 058 * 059 * Creates a new instance of MailPreferenceSyntaxChecker. 060 * 061 * @param oid the oid to associate with this new SyntaxChecker 062 * 063 */ 064 protected MailPreferenceSyntaxChecker( String oid ) 065 { 066 super( oid ); 067 } 068 069 070 /** 071 * {@inheritDoc} 072 */ 073 public boolean isValidSyntax( Object value ) 074 { 075 String strValue =null; 076 077 if ( value == null ) 078 { 079 LOG.debug( "Syntax invalid for '{}'", value ); 080 return false; 081 } 082 083 if ( value instanceof String ) 084 { 085 strValue = ( String ) value; 086 } 087 else if ( value instanceof byte[] ) 088 { 089 strValue = StringTools.utf8ToString( ( byte[] ) value ); 090 } 091 else 092 { 093 strValue = value.toString(); 094 } 095 096 if ( ( strValue.length() < 8 ) || ( strValue.length() > 18 ) ) 097 { 098 LOG.debug( "Syntax invalid for '{}'", value ); 099 return false; 100 } 101 102 boolean result = ( ( "NO-LISTS".equals( strValue ) ) || ( "ANY-LIST".equals( strValue ) ) || 103 ( "PROFESSIONAL-LISTS".equals( strValue ) ) ); 104 105 if ( result ) 106 { 107 LOG.debug( "Syntax valid for '{}'", value ); 108 } 109 else 110 { 111 LOG.debug( "Syntax invalid for '{}'", value ); 112 } 113 114 return result; 115 } 116 }