Good idea, but it sounds hard. The block of code would have to be reduced into a
more abstract notation to compare with other parts of the code. (not all that hard),
but searching the other code sounds very time consuming. Unless IDEA has pre-
parsed the rest of the code, I'm not sure this would be very efficient.
A simple text compare I don't think would do the trick. The entire reason the same
code exists in multiple places is because the user has entered it twice. Probabaly
with slightly different formatting / notation.
Mike
On 26 Nov 2001 at 10:19, [EMAIL PROTECTED] wrote:
> Hi,
>
> I have a request / suggestion (as if IDEA wasn't good enough already!):
> When doing 'extract method' it would be great if the IDE could tell me
> where that code block existed in the whole of my source tree, not just the
> current class. Or if that's too complex, a search tool that could show me
> where all duplicate lines / code chunks were. Quite often I find the same
> 'helper' methods in multiple classes, and it would be great if there was a
> tool to help me look, so the duplication can be factored out into the
> correct place. As an example, we have a reasonable amount of legacy code
> that often returns nulls when it should probably return empty strings. As
> a result, I have the following code in several places:
>
> private String emptyIfNull (String input) {
> if (input == null) return "";
> return input;
> }
>
> It would be great if there was a 'Find Duplication in Source' tool that
> would find all instances of this and all other duplications.
>
> Regards,
>
> -Darren
>
>
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