void preserveResponse()

in wilma-extras/shortCircuit/src/main/java/com/epam/wilma/extras/shortcircuit/ShortCircuitInterceptorCore.java [161:201]
31 lines of code
9 McCabe index (conditional complexity)

    void preserveResponse(String shortCircuitHashCode, WilmaHttpResponse wilmaHttpResponse, ParameterList parameterList) {
        long timeout;
        if (shortCircuitMap.containsKey(shortCircuitHashCode)) { //only if this needs to be handled
            //do we have the response already, or we need to catch it right now?
            ShortCircuitResponseInformation shortCircuitResponseInformation = shortCircuitMap.get(shortCircuitHashCode);
            if (shortCircuitResponseInformation == null) {
                //we need to store the response now
                //but first check if response code is 200, and content type is text based
                String contentType = wilmaHttpResponse.getHeader("Content-Type");
                if (wilmaHttpResponse.getStatusCode() == HttpServletResponse.SC_OK && contentType != null && allowedContentType(contentType)) {
                    String timeoutParameterName = "timeout";
                    if (parameterList != null && parameterList.get(timeoutParameterName) != null) {
                        timeout = Long.valueOf(parameterList.get(timeoutParameterName))
                                + Calendar.getInstance().getTimeInMillis();
                    } else {
                        timeout = Long.MAX_VALUE; //forever
                    }
                    shortCircuitResponseInformation = new ShortCircuitResponseInformation(wilmaHttpResponse, timeout, shortCircuitHashCode);
                    shortCircuitMap.put(shortCircuitHashCode, shortCircuitResponseInformation);
                    //CHECKSTYLE OFF - we must use "new String" here
                    String decodedEntryKey = new String(Base64.decodeBase64(shortCircuitHashCode)); //make it human readable
                    //CHECKSTYLE ON
                    logger.info("ShortCircuit: Message captured for hashcode: {}", decodedEntryKey);

                } else {
                    //we cannot store it, so it is better to remove it from the shortCircuit map
                    shortCircuitMap.remove(shortCircuitHashCode);
                }
            } else { //we have response
                //take care about timeout
                timeout = Calendar.getInstance().getTimeInMillis();
                if (timeout > shortCircuitResponseInformation.getTimeout()) {
                    shortCircuitMap.remove(shortCircuitHashCode);
                    //CHECKSTYLE OFF - we must use "new String" here
                    String decodedEntryKey = new String(Base64.decodeBase64(shortCircuitHashCode)); //make it human readable
                    //CHECKSTYLE ON
                    logger.info("ShortCircuit: Timeout has happened for hashcode: {}", decodedEntryKey);
                }
            }
        }
    }