Checking that StringBuffer constructor not called with a char!

Hi all,

I've just watched to 
http://www.denverjug.org/meetings/files/200408_Puzzles.pdf
(or the multimedia version: http://www.javalobby.org/eps/more-puzzlers/).
Yes, that's not really new stuff.

Check new StringBuffer(char)
I was wondering if there is a way to configure checkstyle to check
if the constructor of StringBuffer is not called with a char that is indeed
interpreted as an int and then set the size of the StringBuffer and not
initilize with the string of one character
So new StringBuffer('M'); should provide a warning

Do I new to write my own checker?

Thanks for any tips,

Xavier.


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