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 an OtherMailbox according to
032 * RFC 4517 :
033 *
034 * OtherMailbox = mailbox-type DOLLAR mailbox
035 * mailbox-type = PrintableString
036 * mailbox = IA5String
037 *
038 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
039 * @version $Rev$
040 */
041 public class OtherMailboxSyntaxChecker extends SyntaxChecker
042 {
043 /** A logger for this class */
044 private static final Logger LOG = LoggerFactory.getLogger( OtherMailboxSyntaxChecker.class );
045
046 /** The serialVersionUID */
047 private static final long serialVersionUID = 1L;
048
049 /**
050 * Creates a new instance of OtherMailboxSyntaxChecker.
051 */
052 public OtherMailboxSyntaxChecker()
053 {
054 super( SchemaConstants.OTHER_MAILBOX_SYNTAX );
055 }
056
057
058 /**
059 * {@inheritDoc}
060 */
061 public boolean isValidSyntax( Object value )
062 {
063 String strValue = null;
064
065 if ( value == null )
066 {
067 LOG.debug( "Syntax invalid for '{}'", value );
068 return false;
069 }
070
071 if ( value instanceof String )
072 {
073 strValue = ( String ) value;
074 }
075 else if ( value instanceof byte[] )
076 {
077 strValue = StringTools.utf8ToString( ( byte[] ) value );
078 }
079 else
080 {
081 strValue = value.toString();
082 }
083
084 if ( strValue.length() == 0 )
085 {
086 LOG.debug( "Syntax invalid for '{}'", value );
087 return false;
088 }
089
090 // Search for the '$' separator
091 int dollar = strValue.indexOf( '$' );
092
093 if ( dollar == -1 )
094 {
095 // No '$' => error
096 LOG.debug( "Syntax invalid for '{}'", value );
097 return false;
098 }
099
100 String mailboxType = strValue.substring( 0, dollar );
101
102 String mailbox = ( ( dollar < strValue.length() - 1 ) ?
103 strValue.substring( dollar + 1 ) : "" );
104
105 // The mailbox should not contains a '$'
106 if ( mailbox.indexOf( '$' ) != -1 )
107 {
108 LOG.debug( "Syntax invalid for '{}'", value );
109 return false;
110 }
111
112 // Check that the mailboxType is a PrintableString
113 if ( !StringTools.isPrintableString( mailboxType ) )
114 {
115 LOG.debug( "Syntax invalid for '{}'", value );
116 return false;
117 }
118
119 // Check that the mailbox is an IA5String
120 boolean result = ( StringTools.isIA5String( mailbox ) );
121
122 if ( result )
123 {
124 LOG.debug( "Syntax valid for '{}'", value );
125 }
126 else
127 {
128 LOG.debug( "Syntax invalid for '{}'", value );
129 }
130
131 return result;
132 }
133 }