| /* |
| * 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.name.Dn; |
| 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 valid Name and Optional UID. |
| * |
| * This element is a composition of two parts : a Dn and an optional UID : |
| * NameAndOptionalUID = distinguishedName [ SHARP BitString ] |
| * |
| * Both part already have their syntax checkers, so we will just call them |
| * after having splitted the element in two ( if necessary) |
| * |
| * We just check that the Dn is valid, we don't need to verify each of the Rdn |
| * syntax. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| @SuppressWarnings("serial") |
| public class NameAndOptionalUIDSyntaxChecker extends SyntaxChecker |
| { |
| /** A logger for this class */ |
| private static final Logger LOG = LoggerFactory.getLogger( NameAndOptionalUIDSyntaxChecker.class ); |
| |
| |
| /** |
| * Creates a new instance of NameAndOptionalUIDSyntaxChecker. |
| */ |
| public NameAndOptionalUIDSyntaxChecker() |
| { |
| super( SchemaConstants.NAME_AND_OPTIONAL_UID_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() == 0 ) |
| { |
| LOG.debug( "Syntax invalid for '{}'", value ); |
| return false; |
| } |
| |
| // Let's see if we have an UID part |
| int sharpPos = strValue.lastIndexOf( '#' ); |
| |
| if ( sharpPos != -1 ) |
| { |
| // Now, check that we don't have another '#' |
| if ( strValue.indexOf( '#' ) != sharpPos ) |
| { |
| // Yes, we have one : this is not allowed, it should have been |
| // escaped. |
| LOG.debug( "Syntax invalid for '{}'", value ); |
| return false; |
| } |
| |
| // This is an UID if the '#' is immediatly |
| // followed by a BitString, except if the '#' is |
| // on the last position |
| // We shoould not find a |
| if ( BitStringSyntaxChecker.isValid( strValue.substring( sharpPos + 1 ) ) |
| && ( sharpPos < strValue.length() ) ) |
| { |
| // Ok, we have a BitString, now check the Dn, |
| // except if the '#' is in first position |
| if ( sharpPos > 0 ) |
| { |
| boolean result = Dn.isValid( strValue.substring( 0, sharpPos ) ); |
| |
| if ( result ) |
| { |
| LOG.debug( "Syntax valid for '{}'", value ); |
| } |
| else |
| { |
| LOG.debug( "Syntax invalid for '{}'", value ); |
| } |
| |
| return result; |
| |
| } |
| else |
| { |
| // The Dn must not be null ? |
| LOG.debug( "Syntax invalid for '{}'", value ); |
| return false; |
| } |
| } |
| else |
| { |
| // We have found a '#' but no UID part. |
| LOG.debug( "Syntax invalid for '{}'", value ); |
| return false; |
| } |
| } |
| else |
| { |
| // No UID, the strValue is a Dn |
| // Check that the value is a valid Dn |
| boolean result = Dn.isValid( strValue ); |
| |
| if ( result ) |
| { |
| LOG.debug( "Syntax valid for '{}'", value ); |
| } |
| else |
| { |
| LOG.debug( "Syntax invalid for '{}'", value ); |
| } |
| |
| return result; |
| } |
| } |
| } |