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 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 */ 040@SuppressWarnings("serial") 041public class AttributeTypeUsageSyntaxChecker extends SyntaxChecker 042{ 043 /** A logger for this class */ 044 private static final Logger LOG = LoggerFactory.getLogger( AttributeTypeUsageSyntaxChecker.class ); 045 046 047 /** 048 * 049 * Creates a new instance of AttributeTypeUsageSyntaxChecker. 050 * 051 */ 052 public AttributeTypeUsageSyntaxChecker() 053 { 054 super( SchemaConstants.ATTRIBUTE_TYPE_USAGE_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 'null'" ); 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 = Strings.utf8ToString( ( byte[] ) value ); 078 } 079 else 080 { 081 strValue = value.toString(); 082 } 083 084 if ( ( strValue.length() < "userApplications".length() ) 085 || ( strValue.length() > "userApplications".length() ) ) 086 { 087 LOG.debug( "Syntax invalid for '{}'", value ); 088 return false; 089 } 090 091 char ch = strValue.charAt( 0 ); 092 093 switch ( ch ) 094 { 095 case ( 'd' ): 096 if ( "dSAOperation".equals( strValue ) 097 || "directoryOperation".equals( strValue ) 098 || "distributedOperation".equals( strValue ) ) 099 { 100 LOG.debug( "Syntax valid for '{}'", value ); 101 return true; 102 } 103 104 LOG.debug( "Syntax invalid for '{}'", value ); 105 return false; 106 107 case ( 'u' ): 108 boolean comp = "userApplications".equals( strValue ); 109 110 if ( comp ) 111 { 112 LOG.debug( "Syntax valid for '{}'", value ); 113 } 114 else 115 { 116 LOG.debug( "Syntax invalid for '{}'", value ); 117 118 } 119 120 return comp; 121 122 default: 123 LOG.debug( "Syntax invalid for '{}'", value ); 124 return false; 125 } 126 } 127}