String target = path;
String target = path.toLowerCase();
	public static DavResource getResourceAt(DavContext ctxt, String path) throws DavException {		String target = path;		if (target == null)			throw new DavException("invalid uri", HttpServletResponse.SC_NOT_FOUND, null);				DavResource resource = null;				if (target.startsWith(ATTACHMENTS_PREFIX)) {			resource = getPhantomResource(ctxt);		} else {			MailItem item = getMailItem(ctxt, target);			resource = getResourceFromMailItem(item);		}				if (resource == null)			throw new DavException("no DAV resource for "+target, HttpServletResponse.SC_NOT_FOUND, null);				return resource;	}