| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.directory.api.ldap.model.schema.syntaxCheckers; |
| |
| |
| import org.apache.directory.api.ldap.model.constants.SchemaConstants; |
| import org.apache.directory.api.ldap.model.schema.SyntaxChecker; |
| import org.apache.directory.api.util.Strings; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * A SyntaxChecker which verifies that a value is a DSAQualitySyntax according to |
| * http://tools.ietf.org/id/draft-ietf-asid-ldapv3-attributes-03.txt, par 5.2.2.2 : |
| * |
| * <DsaQualitySyntax> ::= <DSAKeyword> [ '#' <description> ] |
| * |
| * <DSAKeyword> ::= 'DEFUNCT' | 'EXPERIMENTAL' | 'BEST-EFFORT' | |
| * 'PILOT-SERVICE' | 'FULL-SERVICE' |
| * |
| * <description> ::= encoded as a PrintableString |
| * |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| @SuppressWarnings("serial") |
| public class DsaQualitySyntaxSyntaxChecker extends SyntaxChecker |
| { |
| /** A logger for this class */ |
| private static final Logger LOG = LoggerFactory.getLogger( DsaQualitySyntaxSyntaxChecker.class ); |
| |
| |
| /** |
| * Creates a new instance of DSAQualitySyntaxSyntaxChecker. |
| */ |
| public DsaQualitySyntaxSyntaxChecker() |
| { |
| super( SchemaConstants.DSA_QUALITY_SYNTAX ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public boolean isValidSyntax( Object value ) |
| { |
| String strValue = null; |
| |
| if ( value == null ) |
| { |
| LOG.debug( "Syntax invalid for 'null'" ); |
| return false; |
| } |
| |
| if ( value instanceof String ) |
| { |
| strValue = ( String ) value; |
| } |
| else if ( value instanceof byte[] ) |
| { |
| strValue = Strings.utf8ToString( ( byte[] ) value ); |
| } |
| else |
| { |
| strValue = value.toString(); |
| } |
| |
| if ( strValue.length() < 7 ) |
| { |
| LOG.debug( "Syntax invalid for '{}'", value ); |
| return false; |
| } |
| |
| String remaining = null; |
| |
| switch ( strValue.charAt( 0 ) ) |
| { |
| case 'B': |
| if ( !strValue.startsWith( "BEST-EFFORT" ) ) |
| { |
| LOG.debug( "Syntax invalid for '{}'", value ); |
| return false; |
| } |
| |
| remaining = strValue.substring( "BEST-EFFORT".length() ); |
| break; |
| |
| case 'D': |
| if ( !strValue.startsWith( "DEFUNCT" ) ) |
| { |
| LOG.debug( "Syntax invalid for '{}'", value ); |
| return false; |
| } |
| |
| remaining = strValue.substring( "DEFUNCT".length() ); |
| break; |
| |
| case 'E': |
| if ( !strValue.startsWith( "EXPERIMENTAL" ) ) |
| { |
| LOG.debug( "Syntax invalid for '{}'", value ); |
| return false; |
| } |
| |
| remaining = strValue.substring( "EXPERIMENTAL".length() ); |
| break; |
| |
| case 'F': |
| if ( !strValue.startsWith( "FULL-SERVICE" ) ) |
| { |
| LOG.debug( "Syntax invalid for '{}'", value ); |
| return false; |
| } |
| |
| remaining = strValue.substring( "FULL-SERVICE".length() ); |
| break; |
| |
| case 'P': |
| if ( !strValue.startsWith( "PILOT-SERVICE" ) ) |
| { |
| LOG.debug( "Syntax invalid for '{}'", value ); |
| return false; |
| } |
| |
| remaining = strValue.substring( "PILOT-SERVICE".length() ); |
| break; |
| |
| default: |
| LOG.debug( "Syntax invalid for '{}'", value ); |
| return false; |
| } |
| |
| // Now, we might have a description separated from the keyword by a '#' |
| // but this is optional |
| if ( remaining.length() == 0 ) |
| { |
| LOG.debug( "Syntax valid for '{}'", value ); |
| return true; |
| } |
| |
| if ( remaining.charAt( 0 ) != '#' ) |
| { |
| // We were expecting a '#' |
| LOG.debug( "Syntax invalid for '{}'", value ); |
| return false; |
| } |
| |
| // Check that the description is a PrintableString |
| boolean result = Strings.isPrintableString( remaining.substring( 1 ) ); |
| |
| if ( result ) |
| { |
| LOG.debug( "Syntax valid for '{}'", value ); |
| } |
| else |
| { |
| LOG.debug( "Syntax invalid for '{}'", value ); |
| } |
| |
| return result; |
| } |
| } |