> +import com.google.common.base.Splitter;
> +import com.google.common.collect.Iterables;
> +
> +import static com.google.common.collect.Iterables.getLast;
> +
> +/**
> + * @author Andrea Turli
> + */
> +public class OperatingSystems {
> +
> + public static Function<String, Integer> bits() {
> + return new Function<String, Integer>() {
> + @Override
> + public Integer apply(String operatingSystemReferenceCode) {
> + if (operatingSystemReferenceCode != null) {
> + return
> Integer.parseInt(getLast(Splitter.on("_").split(operatingSystemReferenceCode)));
If the function is allowed to return null, perhaps it is better to use
`Ints.tryParse` instead of `parseInt` to avoid throwing an exception and return
null instead.
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