1 package org.eclipse.aether.internal.impl.synccontext.named;
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 java.util.Collection;
23 import java.util.Collections;
24
25 import org.eclipse.aether.RepositorySystemSession;
26 import org.eclipse.aether.artifact.Artifact;
27 import org.eclipse.aether.metadata.Metadata;
28
29 /**
30 * Static {@link NameMapper}, always assigns one same name, effectively becoming equivalent to "static" sync context:
31 * always maps ANY input to same name.
32 */
33 public class StaticNameMapper implements NameMapper
34 {
35 @Override
36 public boolean isFileSystemFriendly()
37 {
38 return true;
39 }
40
41 @Override
42 public Collection<String> nameLocks( final RepositorySystemSession session,
43 final Collection<? extends Artifact> artifacts,
44 final Collection<? extends Metadata> metadatas )
45 {
46 if ( ( artifacts != null && !artifacts.isEmpty() ) || ( metadatas != null && !metadatas.isEmpty() ) )
47 {
48 return Collections.singletonList( "static" );
49 }
50 else
51 {
52 return Collections.emptyList();
53 }
54 }
55 }