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19  package org.apache.maven.lifecycle.internal;
20  
21  import java.util.HashMap;
22  import java.util.Map;
23  import javax.inject.Inject;
24  import javax.inject.Named;
25  import javax.inject.Singleton;
26  import org.apache.maven.execution.MavenSession;
27  import org.apache.maven.model.Plugin;
28  import org.apache.maven.model.PluginManagement;
29  import org.apache.maven.plugin.version.DefaultPluginVersionRequest;
30  import org.apache.maven.plugin.version.PluginVersionRequest;
31  import org.apache.maven.plugin.version.PluginVersionResolutionException;
32  import org.apache.maven.plugin.version.PluginVersionResolver;
33  import org.apache.maven.project.MavenProject;
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40  
41  @Named
42  @Singleton
43  public class LifecyclePluginResolver {
44      private final PluginVersionResolver pluginVersionResolver;
45  
46      @Inject
47      public LifecyclePluginResolver(PluginVersionResolver pluginVersionResolver) {
48          this.pluginVersionResolver = pluginVersionResolver;
49      }
50  
51      public void resolveMissingPluginVersions(MavenProject project, MavenSession session)
52              throws PluginVersionResolutionException {
53          Map<String, String> versions = new HashMap<>(64);
54  
55          for (Plugin plugin : project.getBuildPlugins()) {
56              if (plugin.getVersion() == null) {
57                  PluginVersionRequest request = new DefaultPluginVersionRequest(
58                          plugin, session.getRepositorySession(), project.getRemotePluginRepositories());
59                  plugin.setVersion(pluginVersionResolver.resolve(request).getVersion());
60              }
61              versions.put(plugin.getKey(), plugin.getVersion());
62          }
63  
64          PluginManagement pluginManagement = project.getPluginManagement();
65          if (pluginManagement != null) {
66              for (Plugin plugin : pluginManagement.getPlugins()) {
67                  if (plugin.getVersion() == null) {
68                      plugin.setVersion(versions.get(plugin.getKey()));
69                      if (plugin.getVersion() == null) {
70                          PluginVersionRequest request = new DefaultPluginVersionRequest(
71                                  plugin, session.getRepositorySession(), project.getRemotePluginRepositories());
72                          plugin.setVersion(pluginVersionResolver.resolve(request).getVersion());
73                      }
74                  }
75              }
76          }
77      }
78  }