| /* |
| * 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.server.core.event; |
| |
| |
| import org.apache.directory.server.i18n.I18n; |
| import org.apache.directory.shared.ldap.model.entry.Entry; |
| import org.apache.directory.shared.ldap.model.exception.LdapException; |
| import org.apache.directory.shared.ldap.model.exception.LdapInvalidSearchFilterException; |
| import org.apache.directory.shared.ldap.model.filter.ExprNode; |
| import org.apache.directory.shared.ldap.model.filter.ScopeNode; |
| import org.apache.directory.shared.ldap.model.name.Dn; |
| |
| |
| /** |
| * Evaluates ScopeNode assertions on candidates. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class ScopeEvaluator implements Evaluator |
| { |
| public ScopeEvaluator() |
| { |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public boolean evaluate( ExprNode node, Dn dn, Entry record ) throws LdapException |
| { |
| ScopeNode snode = ( ScopeNode ) node; |
| |
| switch ( snode.getScope() ) |
| { |
| case OBJECT: |
| return dn.equals( snode.getBaseDn() ); |
| |
| case ONELEVEL: |
| if ( dn.isDescendantOf( snode.getBaseDn() ) ) |
| { |
| return ( snode.getBaseDn().size() + 1 ) == dn.size(); |
| } |
| |
| case SUBTREE: |
| return dn.isDescendantOf( snode.getBaseDn() ); |
| |
| default: |
| throw new LdapInvalidSearchFilterException( I18n.err( I18n.ERR_247 ) ); |
| } |
| } |
| } |