SimpleLoginStrategy sonar issues fix

"Either remove or fill this block of code."
"Move the "" string literal on the left side of this string comparison."
"Define and throw a dedicated exception instead of using a generic one."

Issue-ID: PORTAL-650
Change-Id: I92018287a6f585020f0ae6f042b1bb1de84a5e14
Signed-off-by: Dominik Mizyn <d.mizyn@samsung.com>
1 file changed