[SOLVED] How to modify user defined ldap attributes in jsp?

I'm wondering what the best way is to access user defined attributes on accounts from jsp pages.

I see two possibilities:

Code:

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(1) Via soap admin call:
        spAdmin = new SoapProvisioning();
        spAdmin.soapSetURI("https://"+mServer+":"+mPort+ZimbraServlet.ADMIN_SERVICE_URI);
        spAdmin.soapZimbraAdminAuthenticate();
        zimbraAccount = sp.getAccount(accountId, true);
        sp.modifyAttrs(zimbraAccount, mAttrs);

(2) Via direct library call:
        prov = Provisioning.getInstance();
        account = prov.get(AccountBy.fromString("id"), accountId);
        prov.modifyAttrs(account, mAttrs, true);

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Which way is the way to go? Does it matter? Does it make a difference whether it is a single server install or a multiple server install?

The direct library call (2) is also a direct call to the ldap. So, normaly the soap call is preferred.