1 package org.apache.maven.shared.artifact.filter.resolve;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.util.Collection;
23 import java.util.Collections;
24
25 /**
26 * A filter that combines zero or more other filters using a logical {@code OR}.
27 *
28 * @author Robert Scholte
29 * @since 3.0
30 *
31 * @see org.sonatype.aether.util.filter.OrDependencyFilter
32 * @see org.eclipse.aether.util.filter.OrDependencyFilter
33 */
34 public class OrFilter implements TransformableFilter
35 {
36
37 private final Collection<TransformableFilter> filters;
38
39 /**
40 * The default constructor specifying a collection of filters of which at least one must match.
41 *
42 * @param filters the filters, may not be {@code null}
43 */
44 public OrFilter( Collection<TransformableFilter> filters )
45 {
46 this.filters = Collections.unmodifiableCollection( filters );
47 }
48
49 /**
50 * Get the filters
51 *
52 * @return the filters, never {@code null}
53 */
54 public Collection<TransformableFilter> getFilters()
55 {
56 return filters;
57 }
58
59 /**
60 * Transform this filter to a tool specific implementation
61 *
62 * @param transformer the transformer, may not be {@code null}
63 */
64 @Override
65 public <T> T transform( FilterTransformer<T> transformer )
66 {
67 return transformer.transform( this );
68 }
69 }