Introduce Storage::getMetaData() to allow storage implementations more control over the data array

lib/private/files/cache/scanner.php

@@ -110,7 +110,7 @@ class Scanner extends BasicEmitter {
 			return null;
 		}
 
-		$data = $this->storage->getData($path);
+		$data = $this->storage->getMetaData($path);
 		$data['permissions'] = $permissions;
 
 		return $data;

lib/private/files/storage/common.php

@@ -584,7 +584,7 @@ abstract class Common implements Storage {
 	/**
 	 * @inheritdoc
 	 */
-	public function getData($path) {
+	public function getMetaData($path) {
 		$data = [];
 		$data['mimetype'] = $this->getMimeType($path);
 		$data['mtime'] = $this->filemtime($path);

lib/private/files/storage/storage.php

@@ -71,9 +71,9 @@ interface Storage extends \OCP\Files\Storage {
 	public function getStorageCache();
 
 	/**
-	 * @param $path
+	 * @param string $path
 	 * @return array
 	 */
-	public function getData($path);
+	public function getMetaData($path);
 
 }

lib/private/files/storage/wrapper/encryption.php

@@ -111,11 +111,11 @@ class Encryption extends Wrapper {
 	}
 
 	/**
-	 * @param $path
+	 * @param string $path
 	 * @return array
 	 */
-	public function getData($path) {
-		$data = $this->storage->getData($path);
+	public function getMetaData($path) {
+		$data = $this->storage->getMetaData($path);
 		$fullPath = $this->getFullPath($path);
 
 		if (isset($this->unencryptedSize[$fullPath])) {

lib/private/files/storage/wrapper/wrapper.php

@@ -527,10 +527,10 @@ class Wrapper implements \OC\Files\Storage\Storage {
 	}
 
 	/**
-	 * @param $path
+	 * @param string $path
 	 * @return array
 	 */
-	public function getData($path) {
-		return $this->storage->getData($path);
+	public function getMetaData($path) {
+		return $this->storage->getMetaData($path);
 	}
 }