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@lfo
Created Aug 12, 2016
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// Avoid NPE simply taken from : http://winterbe.com/posts/2015/03/15/avoid-null-checks-in-java/
public static <T> Optional<T> resolve(Supplier<T> resolver) {
try {
T result = resolver.get();
return Optional.ofNullable(result);
}
catch (NullPointerException e) {
return Optional.empty();
}
}
Usage :
resolve(() -> obj.getNested().getInner().getFoo()).ifPresent(System.out::println);
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