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 syntax checker which checks to see if an attributeType's type is either: 032 * userApplications 033 * directoryOperation 034 * distributedOperation 035 * dSAOperation 036 .* The case is NOT ignored. 037 * 038 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 039 * @version $Rev$ 040 */ 041 public class AttributeTypeUsageSyntaxChecker extends SyntaxChecker 042 { 043 /** A logger for this class */ 044 private static final Logger LOG = LoggerFactory.getLogger( AttributeTypeUsageSyntaxChecker.class ); 045 046 /** The serialVersionUID */ 047 private static final long serialVersionUID = 1L; 048 049 /** 050 * 051 * Creates a new instance of AttributeTypeUsageSyntaxChecker. 052 * 053 */ 054 public AttributeTypeUsageSyntaxChecker() 055 { 056 super( SchemaConstants.ATTRIBUTE_TYPE_USAGE_SYNTAX ); 057 } 058 059 060 /** 061 * {@inheritDoc} 062 */ 063 public boolean isValidSyntax( Object value ) 064 { 065 String strValue = null; 066 067 if ( value == null ) 068 { 069 LOG.debug( "Syntax invalid for '{}'", value ); 070 return false; 071 } 072 073 if ( value instanceof String ) 074 { 075 strValue = ( String ) value; 076 } 077 else if ( value instanceof byte[] ) 078 { 079 strValue = StringTools.utf8ToString( ( byte[] ) value ); 080 } 081 else 082 { 083 strValue = value.toString(); 084 } 085 086 if ( ( strValue.length() < "userApplications".length() ) || 087 ( strValue.length() > "userApplications".length() ) ) 088 { 089 LOG.debug( "Syntax invalid for '{}'", value ); 090 return false; 091 } 092 093 char ch = strValue.charAt( 0 ); 094 095 switch ( ch ) 096 { 097 case( 'd' ): 098 if ( "dSAOperation".equals( strValue ) || 099 "directoryOperation".equals( strValue ) || 100 "distributedOperation".equals( strValue ) ) 101 { 102 LOG.debug( "Syntax valid for '{}'", value ); 103 return true; 104 } 105 106 LOG.debug( "Syntax invalid for '{}'", value ); 107 return false; 108 109 case( 'u' ): 110 boolean comp = "userApplications".equals( strValue ); 111 112 if ( comp ) 113 { 114 LOG.debug( "Syntax valid for '{}'", value ); 115 } 116 else 117 { 118 LOG.debug( "Syntax valid for '{}'", value ); 119 120 } 121 122 return comp; 123 124 default: 125 LOG.debug( "Syntax invalid for '{}'", value ); 126 return false; 127 } 128 } 129 }