1 package org.apache.maven.resolver.examples.plexus;
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.codehaus.plexus.ContainerConfiguration;
23 import org.codehaus.plexus.DefaultContainerConfiguration;
24 import org.codehaus.plexus.DefaultPlexusContainer;
25 import org.codehaus.plexus.PlexusConstants;
26 import org.eclipse.aether.RepositorySystem;
27
28 /**
29 * A factory for repository system instances that employs Plexus to wire up the system's components.
30 */
31 public class PlexusRepositorySystemFactory
32 {
33
34 public static RepositorySystem newRepositorySystem()
35 {
36 /*
37 * Maven Artifact Resolver's components are equipped with plexus-specific metadata to enable discovery and
38 * wiring of components by a Plexus container so this is as easy as looking up the implementation.
39 */
40 try
41 {
42 ContainerConfiguration config = new DefaultContainerConfiguration();
43 config.setAutoWiring( true );
44 config.setClassPathScanning( PlexusConstants.SCANNING_INDEX );
45 return new DefaultPlexusContainer( config ).lookup( RepositorySystem.class );
46 }
47 catch ( Exception e )
48 {
49 throw new IllegalStateException( "dependency injection failed", e );
50 }
51 }
52
53 }