On Thu, Jul 7, 2011 at 11:56 AM, Gary Gregory <garydgreg...@gmail.com> wrote:
> Hi All:
>
> I do like using NullArgumentException, but I find writing this over and over
> tedious:
>
> if (arg == null) {
> thrown new NullArgumentException(argName);
> }
> something(arg);
>
> How about this instead:
>
> NullArgumentException.check(arg, argName);
> something(arg);
>
> or:
>
> something(NullArgumentException.check(arg, argName));
>
> Depending on the style you like.
>
> Where check is:
>
> public static <T> T check(T arg, String argName) {
> if (arg == null) {
> throw new NullArgumentException(argName);
> }
> return arg;
> }
>
> Yes, you are pushing the argName on the stack (or passing it in a register)
> and that is extra work, but you do not have to use the new method then ;)
>
> ?
Notice that NullArgumentException doesn't live in [lang] v3. :|
Matt
>
> --
> Thank you,
> Gary
>
> http://garygregory.wordpress.com/
> http://garygregory.com/
> http://people.apache.org/~ggregory/
> http://twitter.com/GaryGregory
>
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