| /* |
| * 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 |
| * |
| * https://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.i18n.I18n; |
| 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.name.Rdn; |
| import org.apache.directory.api.ldap.model.schema.SyntaxChecker; |
| import org.apache.directory.api.util.Strings; |
| |
| |
| /** |
| * A SyntaxChecker which verifies that a value is a valid Name and Optional UID. |
| * <p> |
| * This element is a composition of two parts, a {@link Dn} and an optional UID : |
| * <pre> |
| * NameAndOptionalUID = distinguishedName [ SHARP BitString ] |
| * </pre> |
| * Both part already have their syntax checkers, so we will just call them |
| * after having split the element in two ( if necessary) |
| * <p> |
| * We just check that the {@link Dn} is valid, we don't need to verify each of the {@link Rdn} |
| * syntax. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| @SuppressWarnings("serial") |
| public final class NameAndOptionalUIDSyntaxChecker extends SyntaxChecker |
| { |
| /** |
| * A static instance of NameAndOptionalUIDSyntaxChecker |
| */ |
| public static final NameAndOptionalUIDSyntaxChecker INSTANCE = |
| new NameAndOptionalUIDSyntaxChecker( SchemaConstants.NAME_AND_OPTIONAL_UID_SYNTAX ); |
| |
| /** |
| * A static Builder for this class |
| */ |
| public static final class Builder extends SCBuilder<NameAndOptionalUIDSyntaxChecker> |
| { |
| /** |
| * The Builder constructor |
| */ |
| private Builder() |
| { |
| super( SchemaConstants.NAME_AND_OPTIONAL_UID_SYNTAX ); |
| } |
| |
| |
| /** |
| * Create a new instance of NameAndOptionalUIDSyntaxChecker |
| * @return A new instance of NameAndOptionalUIDSyntaxChecker |
| */ |
| @Override |
| public NameAndOptionalUIDSyntaxChecker build() |
| { |
| return new NameAndOptionalUIDSyntaxChecker( oid ); |
| } |
| } |
| |
| |
| /** |
| * Creates a new instance of NameAndOptionalUIDSyntaxChecker. |
| * |
| * @param oid The OID to use for this SyntaxChecker |
| */ |
| private NameAndOptionalUIDSyntaxChecker( String oid ) |
| { |
| super( oid ); |
| } |
| |
| |
| /** |
| * @return An instance of the Builder for this class |
| */ |
| public static Builder builder() |
| { |
| return new Builder(); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public boolean isValidSyntax( Object value ) |
| { |
| String strValue; |
| |
| if ( value == null ) |
| { |
| if ( LOG.isDebugEnabled() ) |
| { |
| LOG.debug( I18n.err( I18n.ERR_13210_SYNTAX_INVALID, "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 ) |
| { |
| if ( LOG.isDebugEnabled() ) |
| { |
| LOG.debug( I18n.err( I18n.ERR_13210_SYNTAX_INVALID, 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. |
| if ( LOG.isDebugEnabled() ) |
| { |
| LOG.debug( I18n.err( I18n.ERR_13210_SYNTAX_INVALID, value ) ); |
| } |
| |
| return false; |
| } |
| |
| // This is an UID if the '#' is immediately |
| // followed by a BitString, except if the '#' is |
| // on the last position |
| 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 ( LOG.isDebugEnabled() ) |
| { |
| if ( result ) |
| { |
| LOG.debug( I18n.msg( I18n.MSG_13701_SYNTAX_VALID, value ) ); |
| } |
| else |
| { |
| LOG.debug( I18n.err( I18n.ERR_13210_SYNTAX_INVALID, value ) ); |
| } |
| } |
| |
| return result; |
| |
| } |
| else |
| { |
| // The Dn must not be null ? |
| if ( LOG.isDebugEnabled() ) |
| { |
| LOG.debug( I18n.err( I18n.ERR_13210_SYNTAX_INVALID, value ) ); |
| } |
| |
| return false; |
| } |
| } |
| else |
| { |
| // We have found a '#' but no UID part. |
| if ( LOG.isDebugEnabled() ) |
| { |
| LOG.debug( I18n.err( I18n.ERR_13210_SYNTAX_INVALID, 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 ( LOG.isDebugEnabled() ) |
| { |
| if ( result ) |
| { |
| LOG.debug( I18n.msg( I18n.MSG_13701_SYNTAX_VALID, value ) ); |
| } |
| else |
| { |
| LOG.debug( I18n.err( I18n.ERR_13210_SYNTAX_INVALID, value ) ); |
| } |
| } |
| |
| return result; |
| } |
| } |
| } |