| /* |
| * 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.ldap.client.api.search; |
| |
| |
| /** |
| * Creates a NOT filter |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| /* No qualifier*/final class UnaryFilter extends AbstractFilter |
| { |
| /** The NOT filter */ |
| private Filter filter; |
| |
| |
| /** |
| * Creates a new instance of UnaryFilter. |
| */ |
| private UnaryFilter() |
| { |
| } |
| |
| |
| /** |
| * Constructs a NOT filter |
| * |
| * @return The constructed NOT Filter |
| */ |
| public static UnaryFilter not() |
| { |
| return new UnaryFilter(); |
| } |
| |
| |
| /** |
| * Constructs a NOT filter with the associated inner Filter |
| * |
| * @param Filter The inner Filter |
| * @return The constructed NOT Filter |
| */ |
| public static UnaryFilter not( Filter filter ) |
| { |
| UnaryFilter notFilter = not(); |
| notFilter.filter = filter; |
| |
| return notFilter; |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public StringBuilder build( StringBuilder builder ) |
| { |
| if ( filter == null ) |
| { |
| throw new IllegalStateException( "filter not set" ); |
| } |
| |
| builder.append( "(" ).append( FilterOperator.NOT.operator() ); |
| filter.build( builder ); |
| |
| return builder.append( ")" ); |
| } |
| } |