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 public void filterVersions(VersionFilterContext context) {
39 for (Iterator<Version> it = context.iterator(); it.hasNext(); ) {
40 String version = it.next().toString();
41 if (version.endsWith("SNAPSHOT")) {
42 it.remove();
43 }
44 }
45 }
46
47 public VersionFilter deriveChildFilter(DependencyCollectionContext context) {
48 return this;
49 }
50
51 @Override
52 public boolean equals(Object obj) {
53 if (this == obj) {
54 return true;
55 } else if (null == obj || !getClass().equals(obj.getClass())) {
56 return false;
57 }
58 return true;
59 }
60
61 @Override
62 public int hashCode() {
63 return getClass().hashCode();
64 }
65 }