Reviewed-by: alanb, mchung, skoivu

8011986: [corba] idlj generates read/write union helper methods that throw wrong exception in some cases
Reviewed-by: lancea

Summary: JLS doesn't allow boolean type in switch statement, hence substituted by if statement.
Reviewed-by: lancea

Summary: Restrict object access; fix reviewed also by Alexander Fomin
Reviewed-by: alanb, ahgross

Reviewed-by: naoto, yhuang

Reviewed-by: lancea