Simplify, and add selector to all

Author: cstamas

toolbox/src/main/java/eu/maveniverse/maven/toolbox/plugin/MPMojoSupport.java

@@ -105,15 +105,7 @@ protected boolean isReactorDependency(Dependency dependency) {
                                 p.getVersion(), dependency.getArtifact().getVersion()));
     }
 
-    protected ReactorLocator getReactorLocator() {
-        return new MavenReactorLocator(mavenSession);
-    }
-
-    protected ReactorLocator getReactorLocatorWithSelector(String selector) {
-        if (selector == null || selector.trim().isEmpty()) {
-            return getReactorLocator();
-        } else {
-            return new MavenReactorLocator(mavenSession, selector);
-        }
+    protected ReactorLocator getReactorLocator(String selector) {
+        return new MavenReactorLocator(mavenSession, selector);
     }
 }

toolbox/src/main/java/eu/maveniverse/maven/toolbox/plugin/MavenReactorLocator.java

@@ -36,10 +36,6 @@ public class MavenReactorLocator implements ReactorLocator {
     private final Project current;
     private final List<Project> allProjects;
 
-    public MavenReactorLocator(MavenSession session) {
-        this(session, null);
-    }
-
     public MavenReactorLocator(MavenSession session, String selector) {
         requireNonNull(session, "session");
         this.allProjects = session.getAllProjects().stream()
@@ -59,11 +55,11 @@ public MavenReactorLocator(MavenSession session, String selector) {
                 throw new IllegalArgumentException("Could not find 1 matching project: " + matches);
             }
             this.current = locateProject(
-                    RepositoryUtils.toArtifact(candidates.get(0).getArtifact()))
+                            RepositoryUtils.toArtifact(candidates.get(0).getArtifact()))
                     .orElseThrow();
         } else {
-            this.current = locateProject(
-                    RepositoryUtils.toArtifact(session.getCurrentProject().getArtifact()))
+            this.current = locateProject(RepositoryUtils.toArtifact(
+                            session.getCurrentProject().getArtifact()))
                     .orElseThrow();
         }
     }

toolbox/src/main/java/eu/maveniverse/maven/toolbox/plugin/mp/ParentChildTreeMojo.java

@@ -10,15 +10,23 @@
 import eu.maveniverse.maven.toolbox.plugin.MPMojoSupport;
 import eu.maveniverse.maven.toolbox.shared.Result;
 import org.apache.maven.plugins.annotations.Mojo;
+import org.apache.maven.plugins.annotations.Parameter;
 import org.eclipse.aether.collection.CollectResult;
 
 /**
  * Displays project inheritance of Maven Projects.
  */
 @Mojo(name = "parent-child-tree", aggregator = true, threadSafe = true)
 public class ParentChildTreeMojo extends MPMojoSupport {
+    /**
+     * Set the project selector, like {@code -rf} Maven command uses it, can be {@code :A}, {@code G:A}. The selector
+     * string must match ONE project within reactor, otherwise (matches 0 or more than 1) it will fail.
+     */
+    @Parameter(property = "selector")
+    private String selector;
+
     @Override
     protected Result<CollectResult> doExecute() throws Exception {
-        return getToolboxCommando().parentChildTree(getReactorLocator());
+        return getToolboxCommando().parentChildTree(getReactorLocator(selector));
     }
 }

toolbox/src/main/java/eu/maveniverse/maven/toolbox/plugin/mp/ProjectDependencyTreeMojo.java

@@ -34,6 +34,6 @@ public class ProjectDependencyTreeMojo extends MPMojoSupport {
 
     @Override
     protected Result<CollectResult> doExecute() throws Exception {
-        return getToolboxCommando().projectDependencyTree(getReactorLocatorWithSelector(selector), showExternal);
+        return getToolboxCommando().projectDependencyTree(getReactorLocator(selector), showExternal);
     }
 }

toolbox/src/main/java/eu/maveniverse/maven/toolbox/plugin/mp/SubprojectTreeMojo.java

@@ -10,15 +10,23 @@
 import eu.maveniverse.maven.toolbox.plugin.MPMojoSupport;
 import eu.maveniverse.maven.toolbox.shared.Result;
 import org.apache.maven.plugins.annotations.Mojo;
+import org.apache.maven.plugins.annotations.Parameter;
 import org.eclipse.aether.collection.CollectResult;
 
 /**
  * Displays subproject collection of Maven Projects.
  */
 @Mojo(name = "subproject-tree", aggregator = true, threadSafe = true)
 public class SubprojectTreeMojo extends MPMojoSupport {
+    /**
+     * Set the project selector, like {@code -rf} Maven command uses it, can be {@code :A} or {@code G:A}. The selector
+     * string must match ONE project within reactor, otherwise (matches 0 or more than 1) it will fail.
+     */
+    @Parameter(property = "selector")
+    private String selector;
+
     @Override
     protected Result<CollectResult> doExecute() throws Exception {
-        return getToolboxCommando().subprojectTree(getReactorLocator());
+        return getToolboxCommando().subprojectTree(getReactorLocator(selector));
     }
 }