Basic command result notification support

src/main/java/org/jboss/forge/plugin/idea/ui/wizard/ForgeWizardStep.java

@@ -13,9 +13,11 @@
 import org.jboss.forge.addon.ui.controller.WizardCommandController;
 import org.jboss.forge.addon.ui.input.InputComponent;
 import org.jboss.forge.addon.ui.output.UIMessage;
+import org.jboss.forge.addon.ui.result.Result;
 import org.jboss.forge.plugin.idea.ui.component.ComponentBuilder;
 import org.jboss.forge.plugin.idea.ui.component.ComponentBuilderRegistry;
 import org.jboss.forge.plugin.idea.ui.component.ForgeComponent;
+import org.jboss.forge.plugin.idea.util.ForgeNotifications;
 
 import javax.swing.*;
 import java.util.ArrayList;
@@ -137,7 +139,8 @@ public boolean onFinish()
     {
         try
         {
-            controller.execute();
+            Result result = controller.execute();
+            ForgeNotifications.showExecutionResult(result);
         }
         catch (Exception e)
         {

src/main/java/org/jboss/forge/plugin/idea/util/ForgeNotifications.java

@@ -0,0 +1,68 @@
+/*
+ * Copyright 2014 Red Hat, Inc. and/or its affiliates.
+ *
+ * Licensed under the Eclipse Public License version 1.0, available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.jboss.forge.plugin.idea.util;
+
+import com.intellij.notification.NotificationGroup;
+import com.intellij.openapi.ui.MessageType;
+import org.jboss.forge.addon.ui.result.CompositeResult;
+import org.jboss.forge.addon.ui.result.Failed;
+import org.jboss.forge.addon.ui.result.Result;
+
+/**
+ * Forge notification
+ *
+ * @author Adam Wyłuda
+ */
+public class ForgeNotifications
+{
+    private static final NotificationGroup NOTIFICATION_GROUP =
+            NotificationGroup.balloonGroup("Forge Notifications");
+
+    private static final String SUCCESS_MESSAGE = "Command executed successfully";
+    private static final String FAILURE_MESSAGE = "Command execution failed";
+
+    public static void showExecutionResult(Result result)
+    {
+        result = getFirstResult(result);
+        NOTIFICATION_GROUP.createNotification(messageFrom(result), messageTypeOf(result)).notify(null);
+    }
+
+    private static String messageFrom(Result result)
+    {
+        if (result.getMessage() != null && !result.getMessage().isEmpty())
+        {
+            return result.getMessage();
+        }
+
+        if (result instanceof Failed)
+        {
+            return SUCCESS_MESSAGE;
+        }
+
+        return FAILURE_MESSAGE;
+    }
+
+    private static MessageType messageTypeOf(Result result)
+    {
+        if (result instanceof Failed)
+        {
+            return MessageType.ERROR;
+        }
+
+        return MessageType.INFO;
+    }
+
+    private static Result getFirstResult(Result result)
+    {
+        while (result instanceof CompositeResult)
+        {
+            result = ((CompositeResult) result).getResults().get(0);
+        }
+
+        return result;
+    }
+}