[xwiki-devs] Create A Page Only If User Login Has Admin Roles.

Hi Sir; I have an independent HTML/JavaScript application running in XWiki and it can create XWiki pages by sending AJAX request. I need to create those pages ONLY if the logged in user has admin roles. How can I do this ? (a) Is there any way to send back response with JSON/XML from Xwiki pages ? (i.e. If we can send the response with JSON/XML from XWiki page, then I need to use a Ajax call from my application) (b) Or any API available to access the XWikiContext via Servlet ? (i.e. If it is available, then send request to my Servlet) Please help and if you can provide any samples would be great. Thank you for considering..! -Sincerely- Suresh Babu P