--- /dev/null
+<?php
+
+namespace DrupalCodeGenerator\Command\Drupal_8\Service;
+
+use DrupalCodeGenerator\Command\BaseGenerator;
+use DrupalCodeGenerator\Utils;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Question\Question;
+
+/**
+ * Implements d8:service:access-checker command.
+ */
+class AccessChecker extends BaseGenerator {
+
+ protected $name = 'd8:service:access-checker';
+ protected $description = 'Generates an access checker service';
+ protected $alias = 'access-checker';
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function interact(InputInterface $input, OutputInterface $output) {
+ $questions = Utils::defaultQuestions();
+ $questions['applies_to'] = new Question('Applies to', '_foo');
+ $questions['applies_to']->setValidator(function ($value) {
+ if (!preg_match('/^_[a-z0-9_]*[a-z0-9]$/', $value)) {
+ throw new \UnexpectedValueException('The value is not correct name for "applies_to" property.');
+ }
+ return $value;
+ });
+ $default_class = function ($vars) {
+ return Utils::camelize($vars['applies_to'] . 'AccessChecker');
+ };
+ $questions['class'] = new Question('Class', $default_class);
+
+ $this->collectVars($input, $output, $questions);
+
+ $this->addFile()
+ ->path('src/Access/{class}.php')
+ ->template('d8/service/access-checker.twig');
+
+ $this->addServicesFile()
+ ->template('d8/service/access-checker.services.twig');
+ }
+
+}