ServletRequestWrapper or ServletResponseWrapper in production?

Question

Hi, did you see anything really useful extension HttpServletResponseWrapper/ HttpServletRequestWrapperor ServletRequestWrapper/ ServletResponseWrapperin the production environment?

Answer 1

• crop space from generated HTML can save over 50% of bandwidth. I had a project that displays large tabular data (with a nice indented HTML source), the response size is from ~ 200 KB to ~ 70 KB, just trimming all the spaces.
• multipart/form-data, , request.getParameter() (Servlet <= 2.5 example, Servlet >= 3.0 ).
• , MD5-.
• URL.

Etcetera.. Etcetera.. HttpServletRequest/HttpServletResponse.

Answer 2

"" JSP, . getWriter()/getOutputStream().

SiteMesh , "", .

Answer 3

• getRemoteAddr() X-Forwarded-For X-Real-IP ( nginx)

• , .

• gzip response

Answer 4

• (richfaces, myfaces )

• Spring ContextExposingHttpServletRequest, spring beans .

• myfaces URL-,

Answer 5

(getHeaderNames() getHeader() Servlet 3.0.

, getOutputStream(), OutputStream, , , , .