metadataBuilder.sendRequest( null, new RequestCallback() {
public void onError( Request request, Throwable exception ) {
MessageDialogBox dialogBox =
new MessageDialogBox( Messages.getString( "error" ), exception.getLocalizedMessage(), false, false, true ); //$NON-NLS-1$
dialogBox.center();
}
public void onResponseReceived( Request request, Response response ) {
if ( response.getStatusCode() == Response.SC_OK ) {
if ( response.getText() != null && !"".equals( response.getText() )