1 package org.apache.maven.lifecycle.internal;
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.apache.maven.execution.MavenSession;
23 import org.apache.maven.lifecycle.internal.builder.BuilderCommon;
24 import org.apache.maven.project.MavenProject;
25 import org.codehaus.plexus.component.annotations.Component;
26
27 import java.util.ArrayList;
28 import java.util.Collections;
29 import java.util.List;
30
31 /**
32 * <strong>NOTE:</strong> This class is not part of any public api and can be changed or deleted without prior notice.
33 *
34 * @since 3.0
35 * @author Kristian Rosenvold
36 */
37 @Component( role = BuildListCalculator.class )
38 public class BuildListCalculator
39 {
40 public ProjectBuildList calculateProjectBuilds( MavenSession session, List<TaskSegment> taskSegments )
41 {
42 List<ProjectSegment> projectBuilds = new ArrayList<>();
43
44 MavenProject rootProject = session.getTopLevelProject();
45
46 for ( TaskSegment taskSegment : taskSegments )
47 {
48 List<MavenProject> projects;
49
50 if ( taskSegment.isAggregating() )
51 {
52 projects = Collections.singletonList( rootProject );
53 }
54 else
55 {
56 projects = session.getProjects();
57 }
58 for ( MavenProject project : projects )
59 {
60 ClassLoader tccl = Thread.currentThread().getContextClassLoader();
61 try
62 {
63 BuilderCommon.attachToThread( project ); // Not totally sure if this is needed for anything
64 MavenSession copiedSession = session.clone();
65 copiedSession.setCurrentProject( project );
66 projectBuilds.add( new ProjectSegment( project, taskSegment, copiedSession ) );
67 }
68 finally
69 {
70 Thread.currentThread().setContextClassLoader( tccl );
71 }
72 }
73 }
74 return new ProjectBuildList( projectBuilds );
75 }
76 }