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 objectClass' type is either: 032 * AUXILIARY, STRUCTURAL, or ABSTRACT. The case is NOT ignored. 033 * 034 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 035 * @version $Rev$ 036 */ 037 public class ObjectClassTypeSyntaxChecker extends SyntaxChecker 038 { 039 /** A logger for this class */ 040 private static final Logger LOG = LoggerFactory.getLogger( ObjectClassTypeSyntaxChecker.class ); 041 042 /** The serialVersionUID */ 043 private static final long serialVersionUID = 1L; 044 045 /** 046 * Creates a new instance of ObjectClassTypeSyntaxChecker. 047 */ 048 public ObjectClassTypeSyntaxChecker() 049 { 050 super( SchemaConstants.OBJECT_CLASS_TYPE_SYNTAX ); 051 } 052 053 054 /** 055 * {@inheritDoc} 056 */ 057 public boolean isValidSyntax( Object value ) 058 { 059 String strValue = null; 060 061 if ( value == null ) 062 { 063 LOG.debug( "Syntax invalid for '{}'", value ); 064 return false; 065 } 066 067 if ( value instanceof String ) 068 { 069 strValue = ( String ) value; 070 } 071 else if ( value instanceof byte[] ) 072 { 073 strValue = StringTools.utf8ToString( ( byte[] ) value ); 074 } 075 else 076 { 077 strValue = value.toString(); 078 } 079 080 if ( strValue.length() < 8 || strValue.length() > 10 ) 081 { 082 LOG.debug( "Syntax invalid for '{}'", value ); 083 return false; 084 } 085 086 char ch = strValue.charAt( 0 ); 087 088 switch( ch ) 089 { 090 case( 'A' ): 091 if ( "AUXILIARY".equals( strValue ) || "ABSTRACT".equals( strValue ) ) 092 { 093 LOG.debug( "Syntax valid for '{}'", value ); 094 return true; 095 } 096 097 LOG.debug( "Syntax invalid for '{}'", value ); 098 return false; 099 100 case( 'S' ): 101 boolean result = "STRUCTURAL".equals( strValue ); 102 103 if ( result ) 104 { 105 LOG.debug( "Syntax valid for '{}'", value ); 106 } 107 else 108 { 109 LOG.debug( "Syntax invalid for '{}'", value ); 110 } 111 112 return result; 113 114 default: 115 LOG.debug( "Syntax invalid for '{}'", value ); 116 return false; 117 } 118 } 119 }