Phillip Webb 752574de1d Optimize SystemEnvPropertySource when possible ...

Update SystemEnvironmentPropertySource to attempt optimized Map lookups
first, and only fall-back to the defensive SecurityManager safe-mode
if these fail.

Issue: SPR-12224

2014-09-20 00:17:10 -07:00

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src

Optimize SystemEnvPropertySource when possible

2014-09-20 00:17:10 -07:00