Add the command listener showcase

tutorials/forge-hol/envers-addon/src/main/java/org/jboss/forge/addons/envers/commands/JpaEntityCreationListener.java

@@ -0,0 +1,53 @@
+package org.jboss.forge.addons.envers.commands;
+
+import org.jboss.forge.addon.configuration.Configuration;
+import org.jboss.forge.addon.configuration.facets.ConfigurationFacet;
+import org.jboss.forge.addon.projects.ProjectFactory;
+import org.jboss.forge.addon.projects.Projects;
+import org.jboss.forge.addon.ui.command.CommandExecutionListener;
+import org.jboss.forge.addon.ui.command.UICommand;
+import org.jboss.forge.addon.ui.context.UIExecutionContext;
+import org.jboss.forge.addon.ui.context.UISelection;
+import org.jboss.forge.addon.ui.result.Result;
+
+import javax.inject.Inject;
+
+/**
+ * @author Ivan St. Ivanov
+ */
+public class JpaEntityCreationListener implements CommandExecutionListener
+{
+   @Override public void preCommandExecuted(UICommand uiCommand, UIExecutionContext uiExecutionContext)
+   {
+
+   }
+
+   @Inject
+   private ProjectFactory projectFactory;
+
+   @Override public void postCommandExecuted(UICommand uiCommand, UIExecutionContext uiExecutionContext, Result result)
+   {
+      String commandName = uiCommand
+               .getMetadata(uiExecutionContext.getUIContext())
+               .getName();
+      if (commandName.equals("JPA: New Entity") && projectFactory != null)
+      {
+
+         Configuration configuration = Projects
+                  .getSelectedProject(projectFactory, uiExecutionContext.getUIContext())
+                  .getFacet(ConfigurationFacet.class)
+                  .getConfiguration();
+         if ((Boolean) configuration.getProperty(Constants.AUTO_AUDIT_CONFIG_ENTRY))
+         {
+            uiExecutionContext.getUIContext().getSelection();
+         }
+
+      }
+   }
+
+   @Override public void postCommandFailure(UICommand uiCommand, UIExecutionContext uiExecutionContext,
+            Throwable throwable)
+   {
+
+   }
+}