4 files changed, 14 insertions, 6 deletions
diff --git a/apps/files/ajax/list.php b/apps/files/ajax/list.php
index d91db8744c4..617ad18ac14 100644
--- a/apps/files/ajax/list.php
+++ b/apps/files/ajax/list.php
@@ -23,6 +23,10 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
  *
  */
+
+use OCP\Files\StorageNotAvailableException;
+use OCP\Files\StorageInvalidException;
+
 OCP\JSON::checkLoggedIn();
 \OC::$server->getSession()->close();
 $l = \OC::$server->getL10N('files');
@@ -80,7 +84,7 @@ try {
 	\OCP\Util::logException('files', $e);
 	OCP\JSON::error([
 		'data' => [
-			'exception' => '\OCP\Files\StorageNotAvailableException',
+			'exception' => StorageNotAvailableException::class,
 			'message' => $l->t('Storage is temporarily not available')
 		]
 	]);
@@ -88,7 +92,7 @@ try {
 	\OCP\Util::logException('files', $e);
 	OCP\JSON::error(array(
 		'data' => array(
-			'exception' => '\OCP\Files\StorageInvalidException',
+			'exception' => StorageInvalidException::class,
 			'message' => $l->t('Storage invalid')
 		)
 	));
@@ -96,7 +100,7 @@ try {
 	\OCP\Util::logException('files', $e);
 	OCP\JSON::error(array(
 		'data' => array(
-			'exception' => '\Exception',
+			'exception' => \Exception::class,
 			'message' => $l->t('Unknown error')
 		)
 	));
diff --git a/apps/files/appinfo/app.php b/apps/files/appinfo/app.php
index b540c2e7682..fbe33fb54fe 100644
--- a/apps/files/appinfo/app.php
+++ b/apps/files/appinfo/app.php
@@ -24,11 +24,14 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
  *
  */
+
+use OC\Search\Provider\File;
+
 // required for translation purpose
 // t('Files')
 $l = \OC::$server->getL10N('files');
 
-\OC::$server->getSearch()->registerProvider('OC\Search\Provider\File', array('apps' => array('files')));
+\OC::$server->getSearch()->registerProvider(File::class, array('apps' => array('files')));
 
 $templateManager = \OC_Helper::getFileTemplateManager();
 $templateManager->registerTemplate('text/html', 'core/templates/filetemplates/template.html');
diff --git a/apps/files/lib/AppInfo/Application.php b/apps/files/lib/AppInfo/Application.php
index e55d1c549a5..064f2baa987 100644
--- a/apps/files/lib/AppInfo/Application.php
+++ b/apps/files/lib/AppInfo/Application.php
@@ -31,6 +31,7 @@ use OCP\AppFramework\App;
 use \OCA\Files\Service\TagService;
 use \OCP\IContainer;
 use OCA\Files\Controller\ViewController;
+use OCA\Files\Capabilities;
 
 class Application extends App {
 	public function __construct(array $urlParams=array()) {
@@ -95,6 +96,6 @@ class Application extends App {
 		/*
 		 * Register capabilities
 		 */
-		$container->registerCapability('OCA\Files\Capabilities');
+		$container->registerCapability(Capabilities::class);
 	}
 }
diff --git a/apps/files/lib/Helper.php b/apps/files/lib/Helper.php
index 9d9717c9401..3ea1504bc8a 100644
--- a/apps/files/lib/Helper.php
+++ b/apps/files/lib/Helper.php
@@ -261,7 +261,7 @@ class Helper {
 		} else if ($sortAttribute === 'size') {
 			$sortFunc = 'compareSize';
 		}
-		usort($files, array('\OCA\Files\Helper', $sortFunc));
+		usort($files, array(Helper::class, $sortFunc));
 		if ($sortDescending) {
 			$files = array_reverse($files);
 		}