1 package org.eclipse.aether.util.graph.traverser;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import org.eclipse.aether.artifact.ArtifactProperties;
23 import org.eclipse.aether.collection.DependencyCollectionContext;
24 import org.eclipse.aether.collection.DependencyTraverser;
25 import org.eclipse.aether.graph.Dependency;
26
27 /**
28 * A dependency traverser that excludes the dependencies of fat artifacts from the traversal. Fat artifacts are
29 * artifacts that have the property {@link org.eclipse.aether.artifact.ArtifactProperties#INCLUDES_DEPENDENCIES} set to
30 * {@code true}.
31 *
32 * @see org.eclipse.aether.artifact.Artifact#getProperties()
33 */
34 public final class FatArtifactTraverser
35 implements DependencyTraverser
36 {
37
38 /**
39 * Creates a new instance of this dependency traverser.
40 */
41 public FatArtifactTraverser()
42 {
43 }
44
45 public boolean traverseDependency( Dependency dependency )
46 {
47 String prop = dependency.getArtifact().getProperty( ArtifactProperties.INCLUDES_DEPENDENCIES, "" );
48 return !Boolean.parseBoolean( prop );
49 }
50
51 public DependencyTraverser deriveChildTraverser( DependencyCollectionContext context )
52 {
53 return this;
54 }
55
56 @Override
57 public boolean equals( Object obj )
58 {
59 if ( this == obj )
60 {
61 return true;
62 }
63 else if ( null == obj || !getClass().equals( obj.getClass() ) )
64 {
65 return false;
66 }
67 return true;
68 }
69
70 @Override
71 public int hashCode()
72 {
73 return getClass().hashCode();
74 }
75
76 }