http://javarevisited.blogspot.com/2013/03/convert-and-print-byte-array-to-hex-string-java-example-tutorial.html
http://javarevisited.blogspot.com/2013/03/convert-and-print-byte-array-to-hex-string-java-example-tutorial.html
http://travisdazell.blogspot.com/2012/11/converting-hex-string-to-byte-array-in.html
http://travisdazell.blogspot.com/2012/11/converting-hex-string-to-byte-array-in.html
default behavior is inherited and it displays a RecipeOp assuming there are no children to display.