[MJAVADOC-782] Align read-only parameters naming with other plugins

This closes #251

Author: michael-o

src/main/java/org/apache/maven/plugins/javadoc/AbstractJavadocMojo.java

@@ -328,8 +328,8 @@ public abstract class AbstractJavadocMojo extends AbstractMojo {
     @Parameter(defaultValue = "${project}", readonly = true, required = true)
     protected MavenProject project;
 
-    @Parameter(defaultValue = "${mojoExecution}", readonly = true)
-    private MojoExecution mojo;
+    @Parameter(defaultValue = "${mojoExecution}", readonly = true, required = true)
+    protected MojoExecution mojoExecution;
 
     /**
      * Specify if the Javadoc plugin should operate in offline mode. If maven is run in offline
@@ -421,8 +421,8 @@ public abstract class AbstractJavadocMojo extends AbstractMojo {
     /**
      * The projects in the reactor for aggregation report.
      */
-    @Parameter(property = "reactorProjects", readonly = true)
-    private List<MavenProject> reactorProjects;
+    @Parameter(defaultValue = "${reactorProjects}", required = true, readonly = true)
+    protected List<MavenProject> reactorProjects;
 
     /**
      * Set this to <code>true</code> to debug the Javadoc plugin. With this, <code>javadoc.bat(or.sh)</code>,
@@ -1828,7 +1828,7 @@ public void execute() throws MojoExecutionException, MojoFailureException {
     abstract void doExecute() throws MojoExecutionException, MojoFailureException;
 
     protected final void verifyRemovedParameter(String paramName) {
-        Xpp3Dom configDom = mojo.getConfiguration();
+        Xpp3Dom configDom = mojoExecution.getConfiguration();
         if (configDom != null) {
             if (configDom.getChild(paramName) != null) {
                 throw new IllegalArgumentException(
@@ -1838,7 +1838,7 @@ protected final void verifyRemovedParameter(String paramName) {
     }
 
     private void verifyReplacedParameter(String oldParamName, String newParamNew) {
-        Xpp3Dom configDom = mojo.getConfiguration();
+        Xpp3Dom configDom = mojoExecution.getConfiguration();
         if (configDom != null) {
             if (configDom.getChild(oldParamName) != null) {
                 throw new IllegalArgumentException("parameter '" + oldParamName + "' has been replaced with "
@@ -6042,6 +6042,10 @@ protected void logError(String message, Throwable t) {
         }
     }
 
+    protected List<MavenProject> getReactorProjects() {
+        return reactorProjects;
+    }
+
     /**
      * @param prefix The prefix of the exception.
      * @param e The exception.

src/test/java/org/apache/maven/plugins/javadoc/AggregatorJavadocReportTest.java

@@ -62,8 +62,12 @@ protected void setUp() throws Exception {
     private JavadocReport lookupMojo(File testPom) throws Exception {
         JavadocReport mojo = (JavadocReport) lookupMojo("aggregate", testPom);
 
-        MojoExecution mojoExec = new MojoExecution(new Plugin(), "aggregate", null);
-        setVariableValueToObject(mojo, "mojo", mojoExec);
+        Plugin p = new Plugin();
+        p.setGroupId("org.apache.maven.plugins");
+        p.setArtifactId("maven-javadoc-plugin");
+        MojoExecution mojoExecution = new MojoExecution(p, "aggregate", null);
+
+        setVariableValueToObject(mojo, "mojoExecution", mojoExecution);
 
         MavenProject currentProject = new MavenProjectStub();
         currentProject.setGroupId("GROUPID");

src/test/java/org/apache/maven/plugins/javadoc/JavadocJarTest.java

@@ -49,9 +49,12 @@ public class JavadocJarTest extends AbstractMojoTestCase {
     private JavadocJar lookupMojo(File testPom) throws Exception {
         JavadocJar mojo = (JavadocJar) lookupMojo("jar", testPom);
 
-        MojoExecution mojoExec = new MojoExecution(new Plugin(), "javadoc", null);
+        Plugin p = new Plugin();
+        p.setGroupId("org.apache.maven.plugins");
+        p.setArtifactId("maven-javadoc-plugin");
+        MojoExecution mojoExecution = new MojoExecution(p, "jar", null);
 
-        setVariableValueToObject(mojo, "mojo", mojoExec);
+        setVariableValueToObject(mojo, "mojoExecution", mojoExecution);
 
         MavenProject currentProject = new MavenProjectStub();
         currentProject.setGroupId("GROUPID");

src/test/java/org/apache/maven/plugins/javadoc/JavadocReportTest.java

@@ -27,6 +27,7 @@
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -113,17 +114,23 @@ protected void tearDown() throws Exception {
     private JavadocReport lookupMojo(Path testPom) throws Exception {
         JavadocReport mojo = (JavadocReport) lookupMojo("javadoc", testPom.toFile());
 
-        MojoExecution mojoExec = new MojoExecution(new Plugin(), "javadoc", null);
+        Plugin p = new Plugin();
+        p.setGroupId("org.apache.maven.plugins");
+        p.setArtifactId("maven-javadoc-plugin");
+        MojoExecution mojoExecution = new MojoExecution(p, "javadoc", null);
 
-        setVariableValueToObject(mojo, "mojo", mojoExec);
+        setVariableValueToObject(mojo, "mojoExecution", mojoExecution);
 
         MavenProject currentProject = new MavenProjectStub();
         currentProject.setGroupId("GROUPID");
         currentProject.setArtifactId("ARTIFACTID");
 
+        List<MavenProject> reactorProjects =
+                mojo.getReactorProjects() != null ? mojo.getReactorProjects() : Collections.emptyList();
         MavenSession session = newMavenSession(currentProject);
         setVariableValueToObject(mojo, "session", session);
         setVariableValueToObject(mojo, "repoSession", session.getRepositorySession());
+        setVariableValueToObject(mojo, "reactorProjects", reactorProjects);
         return mojo;
     }
 

src/test/java/org/apache/maven/plugins/javadoc/TestJavadocReportTest.java

@@ -43,9 +43,12 @@ public void testTestJavadoc() throws Exception {
                 new File(getBasedir(), "src/test/resources/unit/test-javadoc-test/test-javadoc-test-plugin-config.xml");
         TestJavadocReport mojo = (TestJavadocReport) lookupMojo("test-javadoc", testPom);
 
-        MojoExecution mojoExec = new MojoExecution(new Plugin(), "test-javadoc", null);
+        Plugin p = new Plugin();
+        p.setGroupId("org.apache.maven.plugins");
+        p.setArtifactId("maven-javadoc-plugin");
+        MojoExecution mojoExecution = new MojoExecution(p, "test-javadoc", null);
 
-        setVariableValueToObject(mojo, "mojo", mojoExec);
+        setVariableValueToObject(mojo, "mojoExecution", mojoExecution);
 
         MavenProject currentProject = new MavenProjectStub();
         currentProject.setGroupId("GROUPID");