Switch to Guice constructor injection

pom.xml

@@ -257,7 +257,6 @@ under the License.
       <artifactId>maven-shared-utils</artifactId>
       <version>3.4.2</version>
     </dependency>
-
     <dependency>
       <groupId>org.junit.jupiter</groupId>
       <artifactId>junit-jupiter-api</artifactId>

src/main/java/org/apache/maven/plugins/invoker/AbstractInvokerMojo.java

@@ -57,7 +57,6 @@
 import org.apache.maven.plugin.MojoExecution;
 import org.apache.maven.plugin.MojoExecutionException;
 import org.apache.maven.plugin.MojoFailureException;
-import org.apache.maven.plugins.annotations.Component;
 import org.apache.maven.plugins.annotations.Parameter;
 import org.apache.maven.plugins.invoker.model.BuildJob;
 import org.apache.maven.plugins.invoker.model.io.xpp3.BuildJobXpp3Writer;
@@ -746,23 +745,30 @@ public abstract class AbstractInvokerMojo extends AbstractMojo {
     @Parameter(defaultValue = "${settings}", readonly = true, required = true)
     private Settings settings;
 
-    @Component
-    private Invoker invoker;
+    private final Invoker invoker;
 
-    @Component
-    private SettingsBuilder settingsBuilder;
+    private final SettingsBuilder settingsBuilder;
 
-    @Component
-    private ToolchainManagerPrivate toolchainManagerPrivate;
+    private final ToolchainManagerPrivate toolchainManagerPrivate;
 
-    @Component
-    private InterpolatorUtils interpolatorUtils;
+    private final InterpolatorUtils interpolatorUtils;
+
+    public AbstractInvokerMojo(
+            Invoker invoker,
+            SettingsBuilder settingsBuilder,
+            ToolchainManagerPrivate toolchainManagerPrivate,
+            InterpolatorUtils interpolatorUtils) {
+        this.invoker = invoker;
+        this.settingsBuilder = settingsBuilder;
+        this.toolchainManagerPrivate = toolchainManagerPrivate;
+        this.interpolatorUtils = interpolatorUtils;
+    }
 
     /**
      * Invokes Maven on the configured test projects.
      *
-     * @throws org.apache.maven.plugin.MojoExecutionException If the goal encountered severe errors.
-     * @throws org.apache.maven.plugin.MojoFailureException If any of the Maven builds failed.
+     * @throws org.apache.maven.plugin.MojoExecutionException if the goal encountered severe errors
+     * @throws org.apache.maven.plugin.MojoFailureException if any of the Maven builds failed
      */
     public void execute() throws MojoExecutionException, MojoFailureException {
         if (skipInvocation) {

src/main/java/org/apache/maven/plugins/invoker/IntegrationTestMojo.java

@@ -18,10 +18,15 @@
  */
 package org.apache.maven.plugins.invoker;
 
+import javax.inject.Inject;
+
 import org.apache.maven.plugin.MojoFailureException;
 import org.apache.maven.plugins.annotations.LifecyclePhase;
 import org.apache.maven.plugins.annotations.Mojo;
 import org.apache.maven.plugins.annotations.ResolutionScope;
+import org.apache.maven.settings.building.SettingsBuilder;
+import org.apache.maven.shared.invoker.Invoker;
+import org.apache.maven.toolchain.ToolchainManagerPrivate;
 
 /**
  * Searches for integration test Maven projects, and executes each, collecting a log in the project directory, will
@@ -36,10 +41,19 @@
         defaultPhase = LifecyclePhase.INTEGRATION_TEST,
         requiresDependencyResolution = ResolutionScope.TEST,
         threadSafe = true)
+// CHECKSTYLE_ON: LineLength
 public class IntegrationTestMojo extends AbstractInvokerMojo {
 
+    @Inject
+    public IntegrationTestMojo(
+            Invoker invoker,
+            SettingsBuilder settingsBuilder,
+            ToolchainManagerPrivate toolchainManagerPrivate,
+            InterpolatorUtils interpolatorUtils) {
+        super(invoker, settingsBuilder, toolchainManagerPrivate, interpolatorUtils);
+    }
+
     void processResults(InvokerSession invokerSession) throws MojoFailureException {
         // do nothing
     }
 }
-// CHECKSTYLE_ON: LineLength

src/main/java/org/apache/maven/plugins/invoker/InvokerMojo.java

@@ -18,11 +18,16 @@
  */
 package org.apache.maven.plugins.invoker;
 
+import javax.inject.Inject;
+
 import org.apache.maven.plugin.MojoFailureException;
 import org.apache.maven.plugins.annotations.LifecyclePhase;
 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.settings.building.SettingsBuilder;
+import org.apache.maven.shared.invoker.Invoker;
+import org.apache.maven.toolchain.ToolchainManagerPrivate;
 
 /**
  * Searches for integration test Maven projects, and executes each, collecting a log in the project directory, and
@@ -66,6 +71,15 @@ public class InvokerMojo extends AbstractInvokerMojo {
     @Parameter(property = "invoker.streamLogsOnFailures", defaultValue = "false")
     private boolean streamLogsOnFailures;
 
+    @Inject
+    public InvokerMojo(
+            Invoker invoker,
+            SettingsBuilder settingsBuilder,
+            ToolchainManagerPrivate toolchainManagerPrivate,
+            InterpolatorUtils interpolaterUtils) {
+        super(invoker, settingsBuilder, toolchainManagerPrivate, interpolaterUtils);
+    }
+
     void processResults(InvokerSession invokerSession) throws MojoFailureException {
         if (streamLogsOnFailures) {
             invokerSession.logFailedBuildLog(getLog(), ignoreFailures);

src/main/java/org/apache/maven/plugins/invoker/InvokerReport.java

@@ -18,13 +18,14 @@
  */
 package org.apache.maven.plugins.invoker;
 
+import javax.inject.Inject;
+
 import java.io.File;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
 
-import org.apache.maven.plugins.annotations.Component;
 import org.apache.maven.plugins.annotations.Mojo;
 import org.apache.maven.plugins.annotations.Parameter;
 import org.apache.maven.plugins.invoker.model.BuildJob;
@@ -55,8 +56,12 @@ public class InvokerReport extends AbstractMavenReport {
     /**
      * Internationalization component
      */
-    @Component
-    protected I18N i18n;
+    protected final I18N i18n;
+
+    @Inject
+    public InvokerReport(I18N i18n) {
+        this.i18n = i18n;
+    }
 
     protected void executeReport(Locale locale) throws MavenReportException {
         File[] reportFiles = getReportFiles();

src/test/java/org/apache/maven/plugins/invoker/InterpolationTest.java

@@ -56,7 +56,6 @@ private MavenProject buildMavenProjectStub() {
 
     @Test
     void testCompositeMap() {
-
         Map<String, Object> properties = new HashMap<>();
         properties.put("foo", "bar");
         properties.put("version", "2.0-SNAPSHOT");
@@ -70,8 +69,7 @@ void testCompositeMap() {
 
     @Test
     void testPomInterpolation() throws Exception {
-        File interpolatedPomFile;
-        InvokerMojo invokerMojo = new InvokerMojo();
+        InvokerMojo invokerMojo = new InvokerMojo(null, null, null, null);
         TestUtil.setVariableValueToObject(invokerMojo, "project", buildMavenProjectStub());
         TestUtil.setVariableValueToObject(invokerMojo, "settings", new Settings());
         Properties properties = new Properties();
@@ -81,7 +79,7 @@ void testPomInterpolation() throws Exception {
         String dirPath = TestUtil.getBasedir() + File.separatorChar + "src" + File.separatorChar + "test"
                 + File.separatorChar + "resources" + File.separatorChar + "unit" + File.separatorChar + "interpolation";
 
-        interpolatedPomFile = new File(TestUtil.getBasedir(), "target/interpolated-pom.xml");
+        File interpolatedPomFile = new File(TestUtil.getBasedir(), "target/interpolated-pom.xml");
         invokerMojo.buildInterpolatedFile(new File(dirPath, "pom.xml"), interpolatedPomFile);
         try (Reader reader = new XmlStreamReader(interpolatedPomFile)) {
             String content = IOUtil.toString(reader);

src/test/java/org/apache/maven/plugins/invoker/InvokerMojoTest.java

@@ -42,6 +42,8 @@ class InvokerMojoTest {
     private static final String INTERPOLATION_PROJECT = "interpolation" + File.separator + "pom.xml";
     private static final String WITHOUT_POM_PROJECT = "without-pom-project-dir";
 
+    private final InvokerMojo invokerMojo = new InvokerMojo(null, null, null, null);
+
     private MavenProject getMavenProject() {
         MavenProject mavenProject = new MavenProject();
         mavenProject.setFile(new File("target/foo.txt"));
@@ -52,7 +54,6 @@ private MavenProject getMavenProject() {
     void testSingleInvokerTest() throws Exception {
         // given
         MavenProject mavenProject = getMavenProject();
-        InvokerMojo invokerMojo = new InvokerMojo();
         String dirPath = getBasedir() + "/src/test/resources/unit";
         setVariableValueToObject(invokerMojo, "projectsDirectory", new File(dirPath));
         setVariableValueToObject(invokerMojo, "invokerPropertiesFile", "invoker.properties");
@@ -72,7 +73,6 @@ void testSingleInvokerTest() throws Exception {
     void testMultiInvokerTest() throws Exception {
         // given
         MavenProject mavenProject = getMavenProject();
-        InvokerMojo invokerMojo = new InvokerMojo();
         String dirPath = getBasedir() + "/src/test/resources/unit";
         setVariableValueToObject(invokerMojo, "projectsDirectory", new File(dirPath));
         setVariableValueToObject(invokerMojo, "invokerPropertiesFile", "invoker.properties");
@@ -92,7 +92,6 @@ void testMultiInvokerTest() throws Exception {
     void testFullPatternInvokerTest() throws Exception {
         // given
         MavenProject mavenProject = getMavenProject();
-        InvokerMojo invokerMojo = new InvokerMojo();
         String dirPath = getBasedir() + "/src/test/resources/unit";
         setVariableValueToObject(invokerMojo, "projectsDirectory", new File(dirPath));
         setVariableValueToObject(invokerMojo, "invokerPropertiesFile", "invoker.properties");
@@ -115,7 +114,6 @@ void testFullPatternInvokerTest() throws Exception {
     void testSetupInProjectList() throws Exception {
         // given
         MavenProject mavenProject = getMavenProject();
-        InvokerMojo invokerMojo = new InvokerMojo();
         String dirPath = getBasedir() + "/src/test/resources/unit";
         setVariableValueToObject(invokerMojo, "projectsDirectory", new File(dirPath));
         setVariableValueToObject(invokerMojo, "invokerPropertiesFile", "invoker.properties");
@@ -144,11 +142,10 @@ void testSetupInProjectList() throws Exception {
     @Test
     void testSetupProjectIsFiltered() throws Exception {
         // given
-        MavenProject mavenProject = getMavenProject();
-        InvokerMojo invokerMojo = new InvokerMojo();
         String dirPath = getBasedir() + "/src/test/resources/unit";
         setVariableValueToObject(invokerMojo, "projectsDirectory", new File(dirPath));
         setVariableValueToObject(invokerMojo, "invokerPropertiesFile", "invoker.properties");
+        MavenProject mavenProject = getMavenProject();
         setVariableValueToObject(invokerMojo, "project", mavenProject);
         setVariableValueToObject(invokerMojo, "interpolatorUtils", new InterpolatorUtils(mavenProject));
         setVariableValueToObject(invokerMojo, "settings", new Settings());
@@ -189,8 +186,6 @@ void testParallelThreadsSettings() throws Exception {
             {"2.5C", (int) (Double.parseDouble("2.5") * Runtime.getRuntime().availableProcessors())}
         };
 
-        InvokerMojo invokerMojo = new InvokerMojo();
-
         for (Object[] testValue : testValues) {
             String parallelThreads = (String) testValue[0];
             int expectedParallelThreads = (Integer) testValue[1];