Add console command example

.gitignore

@@ -1 +1,2 @@
-composer.lock
+composer.lock
+/nbproject

Command/HelloCommand.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace Zikula\SpecModule\Command;
+
+use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Style\SymfonyStyle;
+
+class HelloCommand extends ContainerAwareCommand
+{
+    /**
+     * @var TranslatorInterface
+     */
+    protected $translator;
+
+    public function setContainer(ContainerInterface $container = null)
+    {
+        parent::setContainer($container);
+        $this->translator = $container->get('translator.default');
+    }
+
+    protected function configure()
+    {
+        $this
+            ->setName('specmodule:hello')
+            ->setDescription('Print hello message.')
+            ->setHelp('This command is just a test.');
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $io = new SymfonyStyle($input, $output);
+        $io->text($this->translator->__('Hello, world.'));
+    }
+}

ZikulaSpecModule.php

@@ -15,4 +15,14 @@
 
 class ZikulaSpecModule extends AbstractModule
 {
+    /**
+     * This function is necesssary for console commands in Command/*Command.php
+     * to be recognized by app/console.php
+     *
+     * @return boolean
+     */
+    protected function hasCommands()
+    {
+        return true;
+    }
 }