Spring Wrap ternary operator within parentheses as outlined in Code Style

enhancement readability about ternary operator

Comment From: sbrannen

For reference, see https://github.com/spring-projects/spring-framework/wiki/Code-Style#ternary-operator

Comment From: sbrannen

This has been merged into master and revised in bc4945d677da65c176aabc29f936770f47c0bde8.

Thanks