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.eclipse.aether.util.graph.version;
20
21 import java.util.Iterator;
22
23 import org.eclipse.aether.collection.DependencyCollectionContext;
24 import org.eclipse.aether.collection.VersionFilter;
25 import org.eclipse.aether.version.Version;
26
27 /**
28 * A version filter that (unconditionally) blocks "*-SNAPSHOT" versions. For practical purposes,
29 * {@link ContextualSnapshotVersionFilter} is usually more desirable.
30 */
31 public final class SnapshotVersionFilter implements VersionFilter {
32
33 /**
34 * Creates a new instance of this version filter.
35 */
36 public SnapshotVersionFilter() {}
37
38 @Override
39 public void filterVersions(VersionFilterContext context) {
40 for (Iterator<Version> it = context.iterator(); it.hasNext(); ) {
41 String version = it.next().toString();
42 if (version.endsWith("SNAPSHOT")) {
43 it.remove();
44 }
45 }
46 }
47
48 @Override
49 public VersionFilter deriveChildFilter(DependencyCollectionContext context) {
50 return this;
51 }
52
53 @Override
54 public boolean equals(Object obj) {
55 if (this == obj) {
56 return true;
57 } else if (null == obj || !getClass().equals(obj.getClass())) {
58 return false;
59 }
60 return true;
61 }
62
63 @Override
64 public int hashCode() {
65 return getClass().hashCode();
66 }
67 }