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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.analysis.matchers;
20  
21  import java.util.Collection;
22  
23  import org.apache.rat.analysis.IHeaderMatcher;
24  import org.apache.rat.analysis.IHeaders;
25  import org.apache.rat.config.parameters.ComponentType;
26  import org.apache.rat.config.parameters.ConfigComponent;
27  
28  /**
29   * A matcher that performs a logical {@code OR} across all the contained matchers.
30   */
31  @ConfigComponent(type = ComponentType.MATCHER, name = "any", desc = "Returns true if at least one of the enclosed matchers returns true.")
32  public class OrMatcher extends AbstractMatcherContainer {
33  
34      /**
35       * Constructs the matcher from the enclosed matchers.
36       *
37       * @param enclosed the enclosed matchers.
38       * @param resource the name of the resource if the collection of matchers was read from a file or resource. May be {@code null}.
39       */
40      public OrMatcher(final Collection<? extends IHeaderMatcher> enclosed, final String resource) {
41          this(null, enclosed, resource);
42      }
43  
44      /**
45       * Constructs the matcher with the specified id from the enclosed matchers.
46       *
47       * @param id the id to use.
48       * @param enclosed the enclosed matchers.
49       * @param resource the name of the resource if the collection of matchers was read from a file or resource. May be {@code null}.
50       */
51      public OrMatcher(final String id, final Collection<? extends IHeaderMatcher> enclosed, final String resource) {
52          super(id, enclosed, resource);
53      }
54  
55      @Override
56      public boolean matches(final IHeaders headers) {
57          for (IHeaderMatcher matcher : getEnclosed()) {
58              if (matcher.matches(headers)) {
59                  return true;
60              }
61          }
62          return false;
63      }
64  }