On Fri, 2005-09-02 at 00:09 +0800, Niclas Hedhman wrote:
> Even better if the offending caller's identity is extracted, reformatted for
> human consumption and placed as the argument in the exception thrown;
>
> java.lang.IllegalArgumentException: The class org.niclas.hedhman.SomeCode
> passed a null argument for the third parameter ("history") on line 263, to
> the computeHealthStatus() method in class org.clinic.HealthAssessment.
Using a good pattern in conjonction with slf4j could help a lot :
if (arg == null)
{
log.error("the third parameter ('history') is null");
throw new IAE(<a message>);
}
...
As you can exhibit the method name and the line number with %C and %L,
it increases the message correctness.
Emmanuel
