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, eCopyOfUuidSyntaxCheckerither 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 import org.apache.directory.shared.ldap.constants.SchemaConstants; 023 import org.apache.directory.shared.ldap.schema.SyntaxChecker; 024 import org.slf4j.Logger; 025 import org.slf4j.LoggerFactory; 026 027 028 /** 029 * An CSN SID syntax checker. 030 * 031 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 032 * @version $Rev: 736240 $ 033 */ 034 public class CsnSidSyntaxChecker extends SyntaxChecker 035 { 036 /** A logger for this class */ 037 private static final Logger LOG = LoggerFactory.getLogger( CsnSidSyntaxChecker.class ); 038 039 /** The serialVersionUID */ 040 private static final long serialVersionUID = 1L; 041 042 /** 043 * Creates a new instance of CsnSyntaxChecker. 044 */ 045 public CsnSidSyntaxChecker() 046 { 047 super( SchemaConstants.CSN_SID_SYNTAX ); 048 } 049 050 051 /** 052 * {@inheritDoc} 053 */ 054 public boolean isValidSyntax( Object value ) 055 { 056 if ( value == null ) 057 { 058 LOG.debug( "Syntax invalid for '{}'", value ); 059 return false; 060 } 061 062 if ( ! ( value instanceof String ) ) 063 { 064 LOG.debug( "Syntax invalid for '{}'", value ); 065 return false; 066 } 067 068 String sidStr = (String)value; 069 070 if ( sidStr.length() > 3 ) 071 { 072 LOG.debug( "Syntax invalid for '{}'", value ); 073 return false; 074 } 075 076 // The SID must be an hexadecimal number between 0x00 and 0xFFF 077 078 try 079 { 080 int sid = Integer.parseInt( sidStr, 16 ); 081 082 if ( ( sid < 0 ) || ( sid > 0x0fff ) ) 083 { 084 LOG.debug( "Syntax invalid for '{}'", value ); 085 return false; 086 } 087 } 088 catch ( NumberFormatException nfe ) 089 { 090 LOG.debug( "Syntax invalid for '{}'", value ); 091 return false; 092 } 093 094 LOG.debug( "Syntax valid for '{}'", value ); 095 return true; 096 } 097 }