sminnee / silverstripe-framework

		return $this->writeWithCallback($callback, $filename, $hash, $variant, $config);

	}

	public function delete($filename, $hash) {

		$fileID = $this->getFileID($filename, $hash);

		$protected = $this->deleteFromFilesystem($fileID, $this->getProtectedFilesystem());

		$public = $this->deleteFromFilesystem($fileID, $this->getPublicFilesystem());

		return $protected || $public;

	}

	/**

	 * Delete the given file (and any variants) in the given {@see Filesystem}

		}

	}

	public function publish($filename, $hash) {

		$fileID = $this->getFileID($filename, $hash);

		$protected = $this->getProtectedFilesystem();

		$public = $this->getPublicFilesystem();

		$this->moveBetweenFilesystems($fileID, $protected, $public);

	}

	public function protect($filename, $hash) {

		$fileID = $this->getFileID($filename, $hash);

		$this->moveBetweenFilesystems($fileID, $protected, $public);

	}

	public function protect($filename, $hash) {

		$fileID = $this->getFileID($filename, $hash);

		$public = $this->getPublicFilesystem();

		$protected = $this->getProtectedFilesystem();

		$this->moveBetweenFilesystems($fileID, $public, $protected);

	}

	/**

	 * Move a file (and its associative variants) between filesystems