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.plugins.assembly.artifact;
20
21 import java.util.LinkedHashSet;
22 import java.util.Set;
23
24 import org.apache.maven.artifact.Artifact;
25
26 /**
27 * Helper class used to accumulate scopes and modules (with binaries included) that are used in an assembly, for the
28 * purposes of creating an aggregated managed-version map with dependency version conflicts resolved.
29 *
30 * @author jdcasey
31 */
32 class ResolutionManagementInfo {
33 private final LinkedHashSet<Artifact> artifacts = new LinkedHashSet<>();
34
35 Set<Artifact> getArtifacts() {
36 return artifacts;
37 }
38
39 void addArtifacts(final Set<Artifact> a) {
40 for (Artifact artifact : a) {
41 addOneArtifact(artifact);
42 }
43 artifacts.addAll(a);
44 }
45
46 private void addOneArtifact(Artifact artifact) {
47 for (Artifact existing : artifacts) {
48 if (existing.equals(artifact)) {
49 if (isScopeUpgrade(artifact, existing)) {
50 artifacts.remove(existing);
51 artifacts.add(artifact);
52 return;
53 }
54 }
55 }
56 }
57
58 private boolean isScopeUpgrade(Artifact a, Artifact existing) {
59 return scopeValue(a.getScope()) > scopeValue(existing.getScope());
60 }
61
62 private int scopeValue(final String scope) {
63 if (Artifact.SCOPE_COMPILE.equals(scope)) {
64 return 5;
65 } else if (Artifact.SCOPE_PROVIDED.equals(scope)) {
66 return 4;
67 } else if (Artifact.SCOPE_RUNTIME.equals(scope)) {
68 return 3;
69 } else if (Artifact.SCOPE_SYSTEM.equals(scope)) {
70 return 2;
71 } else if (Artifact.SCOPE_TEST.equals(scope)) {
72 return 1;
73 }
74 return 0;
75 }
76 }