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.repository.legacy.resolver.conflict;
20
21 import org.codehaus.plexus.PlexusConstants;
22 import org.codehaus.plexus.PlexusContainer;
23 import org.codehaus.plexus.component.annotations.Component;
24 import org.codehaus.plexus.component.annotations.Requirement;
25 import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
26 import org.codehaus.plexus.context.Context;
27 import org.codehaus.plexus.context.ContextException;
28 import org.codehaus.plexus.personality.plexus.lifecycle.phase.Contextualizable;
29
30 /**
31 * A conflict resolver factory that obtains instances from a plexus container.
32 *
33 * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
34 * TODO you don't need the container in here with the active maps (jvz).
35 * @since 3.0
36 */
37 @Component(role = ConflictResolverFactory.class)
38 public class DefaultConflictResolverFactory implements ConflictResolverFactory, Contextualizable {
39 // fields -----------------------------------------------------------------
40
41 /**
42 * The plexus container used to obtain instances from.
43 */
44 @Requirement
45 private PlexusContainer container;
46
47 // ConflictResolverFactory methods ----------------------------------------
48
49 /*
50 * @see org.apache.maven.artifact.resolver.conflict.ConflictResolverFactory#getConflictResolver(java.lang.String)
51 */
52
53 public ConflictResolver getConflictResolver(String type) throws ConflictResolverNotFoundException {
54 try {
55 return (ConflictResolver) container.lookup(ConflictResolver.ROLE, type);
56 } catch (ComponentLookupException exception) {
57 throw new ConflictResolverNotFoundException("Cannot find conflict resolver of type: " + type);
58 }
59 }
60
61 // Contextualizable methods -----------------------------------------------
62
63 /*
64 * @see org.codehaus.plexus.personality.plexus.lifecycle.phase.Contextualizable#contextualize(org.codehaus.plexus.context.Context)
65 */
66
67 public void contextualize(Context context) throws ContextException {
68 container = (PlexusContainer) context.get(PlexusConstants.PLEXUS_KEY);
69 }
70 }