Have a look at http://pygments.org/ http://pygments.org/ or https://github.com/alecthomas/chroma https://github.com/alecthomas/chroma where you can pass code in

Have a look at http://pygments.org/ http://pygments.org/ or https://github.com/alecthomas/chroma https://github.com/alecthomas/chroma where you can pass code into a library and it returns highlighted HTML. You can use Pygments in Java using Jython but its performance is questionable and can be incredibly slow when highlighting lisp code for example. Its a very edge case for most people, but seeing as I am working on a searchcode.com upgrade I need a fast highlighter. Currently I am spawning a background Go process using Chroma to take care of this for me, but if there was a decent Java library I would use it. None exist I am aware of that are even slightly up-to date.