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.maven.shared.artifact.filter.resolve;
20
21 import java.util.Collection;
22 import java.util.Collections;
23
24 /**
25 * A filter that combines zero or more other filters using a logical {@code OR}.
26 *
27 * @author Robert Scholte
28 * @since 3.0
29 * @see org.eclipse.aether.util.filter.OrDependencyFilter
30 */
31 public class OrFilter implements TransformableFilter {
32
33 private final Collection<TransformableFilter> filters;
34
35 /**
36 * The default constructor specifying a collection of filters of which at least one must match.
37 *
38 * @param filters the filters, may not be {@code null}
39 */
40 public OrFilter(Collection<TransformableFilter> filters) {
41 this.filters = Collections.unmodifiableCollection(filters);
42 }
43
44 /**
45 * Get the filters
46 *
47 * @return the filters, never {@code null}
48 */
49 public Collection<TransformableFilter> getFilters() {
50 return filters;
51 }
52
53 /**
54 * {@inheritDoc}
55 *
56 * Transform this filter to a tool specific implementation
57 */
58 @Override
59 public <T> T transform(FilterTransformer<T> transformer) {
60 return transformer.transform(this);
61 }
62 }