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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.project.collector;
20  
21  import javax.inject.Inject;
22  import javax.inject.Named;
23  import javax.inject.Singleton;
24  
25  import java.util.Arrays;
26  import java.util.List;
27  
28  import org.apache.maven.DefaultMaven;
29  import org.apache.maven.execution.MavenExecutionRequest;
30  import org.apache.maven.model.building.ModelSource;
31  import org.apache.maven.model.building.UrlModelSource;
32  import org.apache.maven.project.MavenProject;
33  import org.apache.maven.project.ProjectBuilder;
34  import org.apache.maven.project.ProjectBuildingException;
35  import org.apache.maven.project.ProjectBuildingRequest;
36  
37  /**
38   * Strategy to collect projects for building when the Maven invocation is not in a directory that contains a pom.xml.
39   */
40  @Named("PomlessCollectionStrategy")
41  @Singleton
42  public class PomlessCollectionStrategy implements ProjectCollectionStrategy {
43      private final ProjectBuilder projectBuilder;
44  
45      @Inject
46      public PomlessCollectionStrategy(ProjectBuilder projectBuilder) {
47          this.projectBuilder = projectBuilder;
48      }
49  
50      @Override
51      public List<MavenProject> collectProjects(final MavenExecutionRequest request) throws ProjectBuildingException {
52          ProjectBuildingRequest buildingRequest = request.getProjectBuildingRequest();
53          ModelSource modelSource = new UrlModelSource(DefaultMaven.class.getResource("project/standalone.xml"));
54          MavenProject project =
55                  projectBuilder.build(modelSource, buildingRequest).getProject();
56          project.setExecutionRoot(true);
57          request.setProjectPresent(false);
58  
59          return Arrays.asList(project);
60      }
61  }