#CaptureResponse.py
#A Response Filter to Capture and Modify the Response without Overriding
#This will lead to illegal state exception

from javax import servlet
from javax.servlet import http
from java.lang import *
from java.io import *
import string , sys

class CaptureResponse(servlet.Filter):
                    
    def doFilter(self, req, res,chain):

        #Capture the Stream which writes response to the client
        chain.doFilter(req, res)
        toclient = res.getWriter()

    def init(self, config):

        print "Capture Response filter Initialized"

    def destroy(self):

        print "Capture Response filter Destroyed"
        sys.exit(0)