In a Mojo we can directly use @Inject - Sisu will do all work for us

src/main/java/org/codehaus/mojo/versions/AbstractVersionsDependencyUpdaterMojo.java

@@ -19,26 +19,19 @@
  * under the License.
  */
 
-import javax.inject.Inject;
-
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 
 import org.apache.commons.lang3.StringUtils;
 import org.apache.maven.artifact.Artifact;
-import org.apache.maven.artifact.manager.WagonManager;
-import org.apache.maven.artifact.metadata.ArtifactMetadataSource;
-import org.apache.maven.artifact.resolver.ArtifactResolver;
 import org.apache.maven.artifact.resolver.filter.ArtifactFilter;
 import org.apache.maven.model.Dependency;
 import org.apache.maven.model.Parent;
 import org.apache.maven.plugin.MojoExecutionException;
 import org.apache.maven.plugins.annotations.Parameter;
 import org.apache.maven.project.MavenProject;
-import org.apache.maven.project.MavenProjectBuilder;
-import org.apache.maven.repository.RepositorySystem;
 import org.apache.maven.shared.artifact.filter.PatternExcludesArtifactFilter;
 import org.apache.maven.shared.artifact.filter.PatternIncludesArtifactFilter;
 import org.codehaus.mojo.versions.utils.DependencyBuilder;
@@ -144,16 +137,6 @@ public abstract class AbstractVersionsDependencyUpdaterMojo
     @Parameter( property = "excludeReactor", defaultValue = "true" )
     private boolean excludeReactor;
 
-    @Inject
-    protected AbstractVersionsDependencyUpdaterMojo( RepositorySystem repositorySystem,
-                                           MavenProjectBuilder projectBuilder,
-                                           ArtifactMetadataSource artifactMetadataSource,
-                                           WagonManager wagonManager,
-                                           ArtifactResolver artifactResolver )
-    {
-        super( repositorySystem, projectBuilder, artifactMetadataSource, wagonManager, artifactResolver );
-    }
-
     /**
      * Should the project/dependencies section of the pom be processed.
      *

src/main/java/org/codehaus/mojo/versions/AbstractVersionsDisplayMojo.java

@@ -19,8 +19,6 @@
  * under the License.
  */
 
-import javax.inject.Inject;
-
 import java.io.File;
 import java.io.IOException;
 import java.nio.file.Files;
@@ -29,12 +27,7 @@
 import java.util.Set;
 
 import org.apache.commons.lang3.StringUtils;
-import org.apache.maven.artifact.manager.WagonManager;
-import org.apache.maven.artifact.metadata.ArtifactMetadataSource;
-import org.apache.maven.artifact.resolver.ArtifactResolver;
 import org.apache.maven.plugins.annotations.Parameter;
-import org.apache.maven.project.MavenProjectBuilder;
-import org.apache.maven.repository.RepositorySystem;
 
 /**
  * Abstract base class for the Display___ mojos.
@@ -83,16 +76,6 @@ public abstract class AbstractVersionsDisplayMojo
 
     private boolean outputFileError = false;
 
-    @Inject
-    protected AbstractVersionsDisplayMojo( RepositorySystem repositorySystem,
-                                           MavenProjectBuilder projectBuilder,
-                                           ArtifactMetadataSource artifactMetadataSource,
-                                           WagonManager wagonManager,
-                                           ArtifactResolver artifactResolver )
-    {
-        super( repositorySystem, projectBuilder, artifactMetadataSource, wagonManager, artifactResolver );
-    }
-
     protected void logInit()
     {
         if ( outputFile != null && !outputFileError )

src/main/java/org/codehaus/mojo/versions/AbstractVersionsReport.java

@@ -65,8 +65,10 @@ public abstract class AbstractVersionsReport
      *
      * @since 1.0-alpha-3
      */
+    @Inject
     protected I18N i18n;
 
+    @Inject
     protected RepositorySystem repositorySystem;
 
     /**
@@ -82,6 +84,7 @@ public abstract class AbstractVersionsReport
      *
      * @since 1.0-alpha-1
      */
+    @Inject
     protected ArtifactMetadataSource artifactMetadataSource;
 
     /**
@@ -99,6 +102,7 @@ public abstract class AbstractVersionsReport
     /**
      * @since 1.0-alpha-3
      */
+    @Inject
     private WagonManager wagonManager;
 
     /**
@@ -159,6 +163,7 @@ public abstract class AbstractVersionsReport
     @Parameter( defaultValue = "${mojoExecution}", required = true, readonly = true )
     private MojoExecution mojoExecution;
 
+    @Inject
     protected ArtifactResolver artifactResolver;
 
     /**
@@ -188,19 +193,6 @@ public abstract class AbstractVersionsReport
     @Parameter( property = "maven.version.ignore" )
     protected Set<String> ignoredVersions;
 
-    // --------------------- GETTER / SETTER METHODS ---------------------
-
-    @Inject
-    protected AbstractVersionsReport( I18N i18n, RepositorySystem repositorySystem, ArtifactResolver artifactResolver,
-                                   ArtifactMetadataSource artifactMetadataSource, WagonManager wagonManager )
-    {
-        this.i18n = i18n;
-        this.repositorySystem = repositorySystem;
-        this.artifactResolver = artifactResolver;
-        this.artifactMetadataSource = artifactMetadataSource;
-        this.wagonManager = wagonManager;
-    }
-
     public VersionsHelper getHelper()
         throws MavenReportException
     {

src/main/java/org/codehaus/mojo/versions/AbstractVersionsUpdaterMojo.java

@@ -95,11 +95,13 @@ public abstract class AbstractVersionsUpdaterMojo
     @Parameter( defaultValue = "${project}", required = true, readonly = true )
     protected MavenProject project;
 
+    @Inject
     protected RepositorySystem repositorySystem;
 
     /**
      * @since 1.0-alpha-1
      */
+    @Inject
     protected MavenProjectBuilder projectBuilder;
 
     /**
@@ -113,6 +115,7 @@ public abstract class AbstractVersionsUpdaterMojo
      *
      * @since 1.0-alpha-1
      */
+    @Inject
     protected ArtifactMetadataSource artifactMetadataSource;
 
     /**
@@ -136,6 +139,7 @@ public abstract class AbstractVersionsUpdaterMojo
     /**
      * @since 1.0-alpha-3
      */
+    @Inject
     private WagonManager wagonManager;
 
     /**
@@ -194,7 +198,9 @@ public abstract class AbstractVersionsUpdaterMojo
     @Parameter( defaultValue = "${mojoExecution}", required = true, readonly = true )
     private MojoExecution mojoExecution;
 
+    @Inject
     protected ArtifactResolver artifactResolver;
+
     /**
      * The format used to record changes. If "none" is specified, no changes are recorded.
      *
@@ -245,20 +251,6 @@ public abstract class AbstractVersionsUpdaterMojo
 
     // --------------------- GETTER / SETTER METHODS ---------------------
 
-    @Inject
-    protected AbstractVersionsUpdaterMojo( RepositorySystem repositorySystem,
-                                          MavenProjectBuilder projectBuilder,
-                                          ArtifactMetadataSource artifactMetadataSource,
-                                          WagonManager wagonManager,
-                                          ArtifactResolver artifactResolver )
-    {
-        this.repositorySystem = repositorySystem;
-        this.projectBuilder = projectBuilder;
-        this.artifactMetadataSource = artifactMetadataSource;
-        this.wagonManager = wagonManager;
-        this.artifactResolver = artifactResolver;
-    }
-
     public VersionsHelper getHelper() throws MojoExecutionException
     {
         if ( helper == null )

src/main/java/org/codehaus/mojo/versions/CompareDependenciesMojo.java

@@ -32,9 +32,6 @@
 import java.util.Map;
 
 import org.apache.maven.artifact.Artifact;
-import org.apache.maven.artifact.manager.WagonManager;
-import org.apache.maven.artifact.metadata.ArtifactMetadataSource;
-import org.apache.maven.artifact.resolver.ArtifactResolver;
 import org.apache.maven.model.Dependency;
 import org.apache.maven.plugin.MojoExecutionException;
 import org.apache.maven.plugin.MojoFailureException;
@@ -43,7 +40,6 @@
 import org.apache.maven.project.MavenProject;
 import org.apache.maven.project.MavenProjectBuilder;
 import org.apache.maven.project.ProjectBuildingException;
-import org.apache.maven.repository.RepositorySystem;
 import org.codehaus.mojo.versions.api.ArtifactAssociation;
 import org.codehaus.mojo.versions.api.PomHelper;
 import org.codehaus.mojo.versions.api.PropertyVersions;
@@ -116,21 +112,8 @@ public class CompareDependenciesMojo
     /**
      * The project builder used to initialize the remote project.
      */
-    protected MavenProjectBuilder mavenProjectBuilder;
-
-    // ------------------------------ METHODS --------------------------
-
     @Inject
-    public CompareDependenciesMojo( RepositorySystem repositorySystem,
-                                    MavenProjectBuilder projectBuilder,
-                                    ArtifactMetadataSource artifactMetadataSource,
-                                    WagonManager wagonManager,
-                                    ArtifactResolver artifactResolver,
-                                    MavenProjectBuilder mavenProjectBuilder )
-    {
-        super( repositorySystem, projectBuilder, artifactMetadataSource, wagonManager, artifactResolver );
-        this.mavenProjectBuilder = mavenProjectBuilder;
-    }
+    protected MavenProjectBuilder mavenProjectBuilder;
 
     /**
      * @param pom the pom to update.

src/main/java/org/codehaus/mojo/versions/DependencyUpdatesReport.java

@@ -19,28 +19,21 @@
  * under the License.
  */
 
-import javax.inject.Inject;
-
 import java.io.File;
 import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
 import java.util.TreeSet;
 
-import org.apache.maven.artifact.manager.WagonManager;
 import org.apache.maven.artifact.metadata.ArtifactMetadataRetrievalException;
-import org.apache.maven.artifact.metadata.ArtifactMetadataSource;
-import org.apache.maven.artifact.resolver.ArtifactResolver;
 import org.apache.maven.doxia.sink.Sink;
 import org.apache.maven.model.Dependency;
 import org.apache.maven.plugins.annotations.Mojo;
 import org.apache.maven.plugins.annotations.Parameter;
 import org.apache.maven.plugins.annotations.ResolutionScope;
 import org.apache.maven.reporting.MavenReportException;
-import org.apache.maven.repository.RepositorySystem;
 import org.codehaus.mojo.versions.api.ArtifactVersions;
 import org.codehaus.mojo.versions.utils.DependencyComparator;
-import org.codehaus.plexus.i18n.I18N;
 
 import static java.util.Collections.emptyMap;
 import static org.codehaus.mojo.versions.utils.MiscUtils.filter;
@@ -100,13 +93,6 @@ public class DependencyUpdatesReport extends AbstractVersionsReport
     @Parameter( property = "onlyUpgradable", defaultValue = "false" )
     protected boolean onlyUpgradable;
 
-    @Inject
-    protected DependencyUpdatesReport( I18N i18n, RepositorySystem repositorySystem, ArtifactResolver artifactResolver,
-                                       ArtifactMetadataSource artifactMetadataSource, WagonManager wagonManager )
-    {
-        super( i18n, repositorySystem, artifactResolver, artifactMetadataSource, wagonManager );
-    }
-
     /**
      * {@inheritDoc}
      */

src/main/java/org/codehaus/mojo/versions/DisplayDependencyUpdatesMojo.java

@@ -19,7 +19,6 @@
  * under the License.
  */
 
-import javax.inject.Inject;
 import javax.xml.stream.XMLStreamException;
 
 import java.util.ArrayList;
@@ -32,10 +31,7 @@
 import java.util.stream.Collectors;
 
 import org.apache.maven.artifact.ArtifactUtils;
-import org.apache.maven.artifact.manager.WagonManager;
 import org.apache.maven.artifact.metadata.ArtifactMetadataRetrievalException;
-import org.apache.maven.artifact.metadata.ArtifactMetadataSource;
-import org.apache.maven.artifact.resolver.ArtifactResolver;
 import org.apache.maven.artifact.versioning.ArtifactVersion;
 import org.apache.maven.model.Build;
 import org.apache.maven.model.Dependency;
@@ -46,8 +42,6 @@
 import org.apache.maven.plugins.annotations.Mojo;
 import org.apache.maven.plugins.annotations.Parameter;
 import org.apache.maven.project.MavenProject;
-import org.apache.maven.project.MavenProjectBuilder;
-import org.apache.maven.repository.RepositorySystem;
 import org.codehaus.mojo.versions.api.ArtifactVersions;
 import org.codehaus.mojo.versions.api.Segment;
 import org.codehaus.mojo.versions.filtering.DependencyFilter;
@@ -341,18 +335,6 @@ public class DisplayDependencyUpdatesMojo
     @Parameter( property = "pluginManagementDependencyExcludes" )
     private List<String> pluginManagementDependencyExcludes;
 
-    // --------------------- GETTER / SETTER METHODS ---------------------
-
-    @Inject
-    public DisplayDependencyUpdatesMojo( RepositorySystem repositorySystem,
-                                MavenProjectBuilder projectBuilder,
-                                ArtifactMetadataSource artifactMetadataSource,
-                                WagonManager wagonManager,
-                                ArtifactResolver artifactResolver )
-    {
-        super( repositorySystem, projectBuilder, artifactMetadataSource, wagonManager, artifactResolver );
-    }
-
     private static Set<Dependency> extractPluginDependenciesFromPluginsInPluginManagement( Build build )
     {
         Set<Dependency> result = new TreeSet<>( new DependencyComparator() );

src/main/java/org/codehaus/mojo/versions/DisplayParentUpdatesMojo.java

@@ -19,22 +19,16 @@
  * under the License.
  */
 
-import javax.inject.Inject;
 import javax.xml.stream.XMLStreamException;
 
 import org.apache.maven.artifact.Artifact;
-import org.apache.maven.artifact.manager.WagonManager;
 import org.apache.maven.artifact.metadata.ArtifactMetadataRetrievalException;
-import org.apache.maven.artifact.metadata.ArtifactMetadataSource;
-import org.apache.maven.artifact.resolver.ArtifactResolver;
 import org.apache.maven.artifact.versioning.ArtifactVersion;
 import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
 import org.apache.maven.artifact.versioning.VersionRange;
 import org.apache.maven.plugin.MojoExecutionException;
 import org.apache.maven.plugin.MojoFailureException;
 import org.apache.maven.plugins.annotations.Mojo;
-import org.apache.maven.project.MavenProjectBuilder;
-import org.apache.maven.repository.RepositorySystem;
 import org.codehaus.mojo.versions.rewriting.ModifiedPomXMLEventReader;
 import org.codehaus.mojo.versions.utils.DependencyBuilder;
 
@@ -51,16 +45,6 @@ public class DisplayParentUpdatesMojo
 
     public static final int MESSAGE_LENGTH = 68;
 
-    @Inject
-    public DisplayParentUpdatesMojo( RepositorySystem repositorySystem,
-                                           MavenProjectBuilder projectBuilder,
-                                           ArtifactMetadataSource artifactMetadataSource,
-                                           WagonManager wagonManager,
-                                           ArtifactResolver artifactResolver )
-    {
-        super( repositorySystem, projectBuilder, artifactMetadataSource, wagonManager, artifactResolver );
-    }
-
     @Override
     public void execute()
         throws MojoExecutionException, MojoFailureException