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; 025import org.apache.directory.api.util.Strings; 026import org.slf4j.Logger; 027import 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 */ 040@SuppressWarnings("serial") 041public class MailPreferenceSyntaxChecker extends SyntaxChecker 042{ 043 /** A logger for this class */ 044 private static final Logger LOG = LoggerFactory.getLogger( MailPreferenceSyntaxChecker.class ); 045 046 047 /** 048 * Creates a new instance of MailPreferenceSyntaxChecker. 049 */ 050 public MailPreferenceSyntaxChecker() 051 { 052 super( SchemaConstants.MAIL_PREFERENCE_SYNTAX ); 053 } 054 055 056 /** 057 * 058 * Creates a new instance of MailPreferenceSyntaxChecker. 059 * 060 * @param oid the oid to associate with this new SyntaxChecker 061 * 062 */ 063 protected MailPreferenceSyntaxChecker( String oid ) 064 { 065 super( oid ); 066 } 067 068 069 /** 070 * {@inheritDoc} 071 */ 072 public boolean isValidSyntax( Object value ) 073 { 074 String strValue = null; 075 076 if ( value == null ) 077 { 078 LOG.debug( "Syntax invalid for 'null'" ); 079 return false; 080 } 081 082 if ( value instanceof String ) 083 { 084 strValue = ( String ) value; 085 } 086 else if ( value instanceof byte[] ) 087 { 088 strValue = Strings.utf8ToString( ( byte[] ) value ); 089 } 090 else 091 { 092 strValue = value.toString(); 093 } 094 095 if ( ( strValue.length() < 8 ) || ( strValue.length() > 18 ) ) 096 { 097 LOG.debug( "Syntax invalid for '{}'", value ); 098 return false; 099 } 100 101 boolean result = ( ( "NO-LISTS".equals( strValue ) ) || ( "ANY-LIST".equals( strValue ) ) 102 || ( "PROFESSIONAL-LISTS".equals( strValue ) ) ); 103 104 if ( result ) 105 { 106 LOG.debug( "Syntax valid for '{}'", value ); 107 } 108 else 109 { 110 LOG.debug( "Syntax invalid for '{}'", value ); 111 } 112 113 return result; 114 } 115}