update docs for Folder.get and call for Folder.nodeExists

[kesselb]

• Resolves: Incomplete documentation for Folder.get

Summary

The main implemention already documents it, now the interface does as well. The other OCP/Files/Folder implementations (Folder, LazyFolder) wrap IRootFolder and therefore will throw as well.

server/lib/private/Files/Node/Root.php

Lines 174 to 192 in be87dec

	/**
	* @param string $path
	* @return Node
	* @throws \OCP\Files\NotPermittedException
	* @throws \OCP\Files\NotFoundException
	*/
	public function get($path) {
	$path = $this->normalizePath($path);
	if ($this->isValidPath($path)) {
	$fullPath = $this->getFullPath($path);
	$fileInfo = $this->view->getFileInfo($fullPath, false);
	if ($fileInfo) {
	return $this->createNode($fullPath, $fileInfo, false);
	} else {
	throw new NotFoundException($path);
	}
	} else {
	throw new NotPermittedException();
	}

TODO

• ...

Checklist

• Code is properly formatted
• Sign-off message is added to all commits
• Tests (unit, integration, api and/or acceptance) are included
• Screenshots before/after for front-end changes
• Documentation (manuals or wiki) has been updated or is not required
• Backports requested where applicable (ex: critical bugfixes)