Atlassian JIRA
| CapturingResponseWrapper | This HttpServletResponseWrapper can capture an initial amount of response data and the headers/cookies that may be set on the response. |
| CapturingResponseWrapper.HttpHeader | This class represent the HTTP headers that have been output to this ResponseWrapper |
| ObservantResponseWrapper | This HttpServletResponseWrapper can capture the HTTP response code and also to know the length of the data output. |