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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one   *
3    * or more contributor license agreements.  See the NOTICE file *
4    * distributed with this work for additional information        *
5    * regarding copyright ownership.  The ASF licenses this file   *
6    * to you under the Apache License, Version 2.0 (the            *
7    * "License"); you may not use this file except in compliance   *
8    * with the License.  You may obtain a copy of the License at   *
9    *                                                              *
10   *   http://www.apache.org/licenses/LICENSE-2.0                 *
11   *                                                              *
12   * Unless required by applicable law or agreed to in writing,   *
13   * software distributed under the License is distributed on an  *
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
15   * KIND, either express or implied.  See the License for the    *
16   * specific language governing permissions and limitations      *
17   * under the License.                                           *
18   */
19  package org.apache.rat.configuration.builders;
20  
21  import org.apache.rat.ConfigurationException;
22  import org.apache.rat.analysis.IHeaderMatcher;
23  import org.apache.rat.analysis.matchers.NotMatcher;
24  
25  /**
26   * A builder for the NotMatcher.
27   */
28  public class NotBuilder extends ChildContainerBuilder {
29      
30      @Override
31      public IHeaderMatcher build() {
32          if (children.size() != 1) {
33              throw new ConfigurationException("'not' type matcher requires one and only one enclosed matcher");
34          }
35          return new NotMatcher(getId(), children.get(0).build());
36      }
37      
38      @Override
39      public String toString() {
40          return String.format( "NotBuilder: %s", !children.isEmpty() ? children.get(0) : null );
41      }
42  }