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 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 * Creates a new instance of AttributeTypeUsageSyntaxChecker. 049 * 050 */ 051 public AttributeTypeUsageSyntaxChecker() 052 { 053 super( SchemaConstants.ATTRIBUTE_TYPE_USAGE_SYNTAX ); 054 } 055 056 057 /** 058 * {@inheritDoc} 059 */ 060 public boolean isValidSyntax( Object value ) 061 { 062 String strValue = null; 063 064 if ( value == null ) 065 { 066 LOG.debug( "Syntax invalid for 'null'" ); 067 return false; 068 } 069 070 if ( value instanceof String ) 071 { 072 strValue = ( String ) value; 073 } 074 else if ( value instanceof byte[] ) 075 { 076 strValue = Strings.utf8ToString((byte[]) value); 077 } 078 else 079 { 080 strValue = value.toString(); 081 } 082 083 if ( ( strValue.length() < "userApplications".length() ) 084 || ( strValue.length() > "userApplications".length() ) ) 085 { 086 LOG.debug( "Syntax invalid for '{}'", value ); 087 return false; 088 } 089 090 char ch = strValue.charAt( 0 ); 091 092 switch ( ch ) 093 { 094 case( 'd' ): 095 if ( "dSAOperation".equals( strValue ) 096 || "directoryOperation".equals( strValue ) 097 || "distributedOperation".equals( strValue ) ) 098 { 099 LOG.debug( "Syntax valid for '{}'", value ); 100 return true; 101 } 102 103 LOG.debug( "Syntax invalid for '{}'", value ); 104 return false; 105 106 case( 'u' ): 107 boolean comp = "userApplications".equals( strValue ); 108 109 if ( comp ) 110 { 111 LOG.debug( "Syntax valid for '{}'", value ); 112 } 113 else 114 { 115 LOG.debug( "Syntax invalid for '{}'", value ); 116 117 } 118 119 return comp; 120 121 default: 122 LOG.debug( "Syntax invalid for '{}'", value ); 123 return false; 124 } 125 } 126}