Added facet installation checks.

The Faces scaffold provider now verifies that the required facets
have been installed before setting up the Faces scaffold.

Author: VineetReynolds

scaffold/faces/src/main/java/org/jboss/forge/addon/scaffold/faces/FacesScaffoldProvider.java

@@ -25,6 +25,9 @@
 import org.jboss.forge.addon.javaee.jpa.JPAFacet;
 import org.jboss.forge.addon.javaee.jpa.ui.setup.JPASetupWizard;
 import org.jboss.forge.addon.javaee.servlet.ServletFacet;
+import org.jboss.forge.addon.javaee.servlet.ServletFacet_3_0;
+import org.jboss.forge.addon.javaee.servlet.ServletFacet_3_1;
+import org.jboss.forge.addon.javaee.servlet.ui.ServletSetupWizard;
 import org.jboss.forge.addon.projects.Project;
 import org.jboss.forge.addon.projects.facets.WebResourcesFacet;
 import org.jboss.forge.addon.resource.FileResource;
@@ -198,6 +201,11 @@ public List<Class<? extends UICommand>> getSetupFlow()
       {
          setupCommands.add(EJBSetupWizard.class);
       }
+      if(!(origin.hasFacet(ServletFacet_3_0.class) || origin.hasFacet(ServletFacet_3_1.class)))
+      {
+         //TODO: FORGE-1296. Ensure that this wizard only sets up Servlet 3.0+
+         setupCommands.add(ServletSetupWizard.class);
+      }
       if(!origin.hasFacet(FacesFacet.class))
       {
          setupCommands.add(FacesSetupWizard.class);

scaffold/impl/src/main/java/org/jboss/forge/addon/scaffold/impl/ui/ScaffoldSetupWizardImpl.java

@@ -13,6 +13,9 @@
 import javax.inject.Inject;
 
 import org.jboss.forge.addon.convert.Converter;
+import org.jboss.forge.addon.facets.AbstractFacet;
+import org.jboss.forge.addon.facets.AbstractFaceted;
+import org.jboss.forge.addon.projects.Project;
 import org.jboss.forge.addon.projects.ProjectFactory;
 import org.jboss.forge.addon.projects.ui.AbstractProjectCommand;
 import org.jboss.forge.addon.scaffold.spi.ScaffoldContext;
@@ -108,25 +111,26 @@ public Metadata getMetadata(UIContext context)
    public Result execute(UIContext context) throws Exception
    {
       ScaffoldProvider selectedProvider = provider.getValue();
-      if(selectedProvider.getSetupFlow() == null)
-      {
-         selectedProvider.setup(getSelectedProject(context), createScaffoldContext());
-      }
+      selectedProvider.setup(getSelectedProject(context), createScaffoldContext());
       return Results.success();
    }
 
    @Override
    public NavigationResult next(UIContext context) throws Exception
    {
-      List<Class<? extends UICommand>> setupFlow = provider.getValue().getSetupFlow();
+      ScaffoldProvider selectedProvider = provider.getValue();
+      Project project = getSelectedProject(context);
+      ((AbstractFacet) selectedProvider).setFaceted(project);
+      List<Class<? extends UICommand>> setupFlow = selectedProvider.getSetupFlow();
       if(setupFlow.isEmpty())
       {
          return null;
       }
       else
       {
          Class<? extends UICommand> next = setupFlow.remove(0);
-         return Results.navigateTo(next, (Class<? extends UICommand>[]) setupFlow.toArray());
+         Class<?>[] additional = setupFlow.toArray(new Class<?>[setupFlow.size()]);
+         return Results.navigateTo(next, (Class<? extends UICommand>[]) additional);
       }
    }