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.manager;
20
21 import java.util.Collection;
22 import java.util.Map;
23
24 import org.eclipse.aether.collection.DependencyCollectionContext;
25 import org.eclipse.aether.collection.DependencyManager;
26 import org.eclipse.aether.graph.Exclusion;
27 import org.eclipse.aether.scope.ScopeManager;
28 import org.eclipse.aether.scope.SystemDependencyScope;
29
30 /**
31 * A dependency manager that mimics the way Maven 2.x works. This manager was used throughout all Maven 3.x versions.
32 * <p>
33 * This manager has {@code deriveUntil=2} and {@code applyFrom=2}.
34 * <p>
35 * Note regarding transitivity: it is broken, and should not be used.
36 */
37 public final class ClassicDependencyManager extends AbstractDependencyManager {
38 /**
39 * Creates a new dependency manager without any management information.
40 *
41 * @deprecated Use constructor that provides consumer application specific predicate.
42 */
43 @Deprecated
44 public ClassicDependencyManager() {
45 this(null);
46 }
47
48 public ClassicDependencyManager(ScopeManager scopeManager) {
49 this(false, scopeManager);
50 }
51
52 /**
53 * Creates a new dependency manager without any management information.
54 *
55 * @param transitive If true, this manager will collect (derive) until last node on graph. If false,
56 * it will work as original Maven 3 "classic" dependency manager, collect only up to
57 * depth of 2.
58 *
59 * @since 2.0.0
60 */
61 public ClassicDependencyManager(boolean transitive, ScopeManager scopeManager) {
62 super(transitive ? Integer.MAX_VALUE : 2, 2, scopeManager);
63 }
64
65 @SuppressWarnings("checkstyle:ParameterNumber")
66 private ClassicDependencyManager(
67 int depth,
68 int deriveUntil,
69 int applyFrom,
70 Map<Object, Holder<String>> managedVersions,
71 Map<Object, Holder<String>> managedScopes,
72 Map<Object, Holder<Boolean>> managedOptionals,
73 Map<Object, Holder<String>> managedLocalPaths,
74 Map<Object, Collection<Holder<Collection<Exclusion>>>> managedExclusions,
75 SystemDependencyScope systemDependencyScope) {
76 super(
77 depth,
78 deriveUntil,
79 applyFrom,
80 managedVersions,
81 managedScopes,
82 managedOptionals,
83 managedLocalPaths,
84 managedExclusions,
85 systemDependencyScope);
86 }
87
88 @Override
89 public DependencyManager deriveChildManager(DependencyCollectionContext context) {
90 // MNG-4720: Maven2 backward compatibility
91 // Removing this IF makes one IT fail here (read comment above):
92 // https://github.com/apache/maven-integration-testing/blob/b4e8fd52b99a058336f9c7c5ec44fdbc1427759c/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng4720DependencyManagementExclusionMergeTest.java#L67
93 if (depth == 1) {
94 return newInstance(managedVersions, managedScopes, managedOptionals, managedLocalPaths, managedExclusions);
95 }
96 return super.deriveChildManager(context);
97 }
98
99 @Override
100 protected DependencyManager newInstance(
101 Map<Object, Holder<String>> managedVersions,
102 Map<Object, Holder<String>> managedScopes,
103 Map<Object, Holder<Boolean>> managedOptionals,
104 Map<Object, Holder<String>> managedLocalPaths,
105 Map<Object, Collection<Holder<Collection<Exclusion>>>> managedExclusions) {
106 return new ClassicDependencyManager(
107 depth + 1,
108 deriveUntil,
109 applyFrom,
110 managedVersions,
111 managedScopes,
112 managedOptionals,
113 managedLocalPaths,
114 managedExclusions,
115 systemDependencyScope);
116 }
117 }