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.shared.ldap.model.schema.syntaxCheckers; 021 022 023import org.apache.directory.shared.ldap.model.constants.SchemaConstants; 024import org.apache.directory.shared.ldap.model.schema.SyntaxChecker; 025import org.apache.directory.shared.util.Strings; 026import org.slf4j.Logger; 027import 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 */ 036@SuppressWarnings("serial") 037public class ObjectClassTypeSyntaxChecker extends SyntaxChecker 038{ 039 /** A logger for this class */ 040 private static final Logger LOG = LoggerFactory.getLogger( ObjectClassTypeSyntaxChecker.class ); 041 042 /** 043 * Creates a new instance of ObjectClassTypeSyntaxChecker. 044 */ 045 public ObjectClassTypeSyntaxChecker() 046 { 047 super( SchemaConstants.OBJECT_CLASS_TYPE_SYNTAX ); 048 } 049 050 051 /** 052 * {@inheritDoc} 053 */ 054 public boolean isValidSyntax( Object value ) 055 { 056 String strValue = null; 057 058 if ( value == null ) 059 { 060 LOG.debug( "Syntax invalid for 'null'" ); 061 return false; 062 } 063 064 if ( value instanceof String ) 065 { 066 strValue = ( String ) value; 067 } 068 else if ( value instanceof byte[] ) 069 { 070 strValue = Strings.utf8ToString((byte[]) value); 071 } 072 else 073 { 074 strValue = value.toString(); 075 } 076 077 if ( strValue.length() < 8 || strValue.length() > 10 ) 078 { 079 LOG.debug( "Syntax invalid for '{}'", value ); 080 return false; 081 } 082 083 char ch = strValue.charAt( 0 ); 084 085 switch( ch ) 086 { 087 case( 'A' ): 088 if ( "AUXILIARY".equals( strValue ) || "ABSTRACT".equals( strValue ) ) 089 { 090 LOG.debug( "Syntax valid for '{}'", value ); 091 return true; 092 } 093 094 LOG.debug( "Syntax invalid for '{}'", value ); 095 return false; 096 097 case( 'S' ): 098 boolean result = "STRUCTURAL".equals( strValue ); 099 100 if ( result ) 101 { 102 LOG.debug( "Syntax valid for '{}'", value ); 103 } 104 else 105 { 106 LOG.debug( "Syntax invalid for '{}'", value ); 107 } 108 109 return result; 110 111 default: 112 LOG.debug( "Syntax invalid for '{}'", value ); 113 return false; 114 } 115 } 116}