owncloud / core

		return $storage->is_dir($internalPath);

	}

	public function is_file($path) {

		if ($source = $this->getSourcePath($path)) {

			list($storage, $internalPath) = \OC\Files\Filesystem::resolvePath($source);

			return $storage->is_file($internalPath);

		}

		return false;

	}

	public function stat($path) {

		if ($path == '' || $path == '/') {

		return false;

	}

	public function getMimeType($path) {

		if ($source = $this->getSourcePath($path)) {

			list($storage, $internalPath) = \OC\Files\Filesystem::resolvePath($source);

			return $storage->getMimeType($internalPath);

		}

		return false;

	}

	public function free_space($path) {

		$source = $this->getSourcePath($path);

		return \OCP\Files\FileInfo::SPACE_UNKNOWN;

	}

	public function getLocalFile($path) {

		if ($source = $this->getSourcePath($path)) {

			list($storage, $internalPath) = \OC\Files\Filesystem::resolvePath($source);

			return $storage->getLocalFile($internalPath);

		}

		return false;

	}

	public function touch($path, $mtime = null) {

		if ($source = $this->getSourcePath($path)) {

		return false;

	}

	public function touch($path, $mtime = null) {

		if ($source = $this->getSourcePath($path)) {

			list($storage, $internalPath) = \OC\Files\Filesystem::resolvePath($source);

			return $storage->touch($internalPath, $mtime);

		}

		return false;

	}

	/**

	 * return mount point of share, relative to data/user/files

		return false;

	}

	public function getETag($path) {

		if ($source = $this->getSourcePath($path)) {

			list($storage, $internalPath) = \OC\Files\Filesystem::resolvePath($source);

			return $storage->getETag($internalPath);

		}

		return null;

	}

	/**

	 * unshare complete storage, also the grouped shares