convert.sh

#!/bin/bash 

echo 'convert start.'

noise_option="$1"

if [ -z $noise_option ]; then
  noise_option=0
fi

echo "noise_option: [$noise_option]"

if [ -e irof.html ]; then
	rm irof.html
fi

java -jar jitac-0.2.0.jar -H -o irof.html -n $noise_option irof.jpeg

if [ -e irof.html ]; then
	echo "convert success!"
fi

exit 0

irof to ascii.groovy

import com.sun.net.httpserver.HttpExchange
import com.sun.net.httpserver.HttpHandler
import com.sun.net.httpserver.HttpServer


class Converter {

  void convert(int parcent = 0) {
		def process = "./convert.sh ${parcent/100}".execute()
		println "${process.text}"
	}

}

def PORT = 9000
HttpServer server = HttpServer.create(new InetSocketAddress(PORT), 0)

server.createContext('/', new HttpHandler() {

	@Override
    public void handle(HttpExchange exchange) throws IOException {
				        
    	def noise = [ 0, 10, 20]

    	def random = new Random().nextInt(noise.size)

		new Converter().convert(noise[random])

		def file = new File('irof.html')

		assert file.canRead()

        def bytes = file.text.bytes

        exchange.getResponseHeaders().add("Content-Type", "text/html")
        exchange.sendResponseHeaders(200, bytes.length)
		exchange.getResponseBody().write(bytes)
        exchange.close()
    }

})
server.start()