1 files changed, 48 insertions, 0 deletions
diff --git a/modules/setup/library/Setup/Requirement/ClassRequirement.php b/modules/setup/library/Setup/Requirement/ClassRequirement.php
new file mode 100644
index 0000000..d884c31
--- /dev/null
+++ b/modules/setup/library/Setup/Requirement/ClassRequirement.php
@@ -0,0 +1,48 @@
+<?php
+/* Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Setup\Requirement;
+
+use Icinga\Application\Platform;
+use Icinga\Module\Setup\Requirement;
+
+class ClassRequirement extends Requirement
+{
+    protected function evaluate()
+    {
+        return Platform::classExists($this->getCondition());
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getStateText()
+    {
+        $stateText = parent::getStateText();
+        if ($stateText === null) {
+            $alias = $this->getAlias();
+            if ($this->getState()) {
+                $stateText = $alias === null
+                    ? sprintf(
+                        mt('setup', 'The %s class is available.', 'setup.requirement.class'),
+                        $this->getCondition()
+                    )
+                    : sprintf(
+                        mt('setup', 'The %s is available.', 'setup.requirement.class'),
+                        $alias
+                    );
+            } else {
+                $stateText = $alias === null
+                    ? sprintf(
+                        mt('setup', 'The %s class is missing.', 'setup.requirement.class'),
+                        $this->getCondition()
+                    )
+                    : sprintf(
+                        mt('setup', 'The %s is missing.', 'setup.requirement.class'),
+                        $alias
+                    );
+            }
+        }
+        return $stateText;
+    }
+}