-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Jose,
On 1/14/15 3:54 PM, Jose María Zaragoza wrote: > 2015-01-14 20:05 GMT+01:00 Christopher Schultz > <ch...@christopherschultz.net>: Jose, > > On 1/14/15 8:27 AM, Jose María Zaragoza wrote: >>>> 2015-01-14 12:46 GMT+01:00 André Warnier <a...@ice-sa.com>: >>>>> Jose María Zaragoza wrote: >>>>>> >>>>>> Hello: >>>>>> >>>>>> I would like to create a web filter to forward some >>>>>> requests to another webserver, >>>>>> >>>>>> The filter receives an >>>>>> "application/x-www-form-urlencoded" request , inspects >>>>>> the value of a parameter and chooses to forward to >>>>>> another remote webserver ( as a proxy ) >>>> >>>> >>>> Thanks >>>> >>>> I agree with you . I'll try to use an Apache httpd front-end >>>> >>>> Anyway, I've seen that if I execute >>>> >>>> Map<String, String[]> parameter = ((HttpServletRequest) >>>> request).getParameterMap(); >>>> >>>> , then request.getInputStream is empty >>>> >>>> >>>> But if I execute >>>> >>>> Map<String, String[]> parameter = ((HttpServletRequest) >>>> request).getParameterMap(); chain.doFilter(request, >>>> response); >>>> >>>> , the next filter in the chain receives the body ( as I >>>> expect it ) >>>> >>>> I don't understand this behaviour > > I think that might be a bug... calling > HttpServletRequest.getParameter* should cause the request entity to > be parsed, as long as the content type is > application/x-www-form-urlencoded. I think getParameterMap counts, > but I'd have to review the spec & javadoc (where some fun spec > requirements are hidden!). > > Anyhow, when you call HttpServletRequest.getParameter*, the > container *must* consume the request, according to the spec. > > >> Thanks. > >> In my case, all requests to be forwarded are POST requests ( >> and content type is application/x-www-form-urlencoded ) According >> to your reply, if I've got a chain of filters and the first one >> calls getParameterMap , do the next filters lose the content of >> the payload ? Correct. Once the request entity has been read (which happens when you call request.getParameter*), it's no longer available to the application. >> I tested to call several times to getParameterMap method on the >> same webfilter and it always returned the right values. Looks >> like getParameterMap doesn't consume() payload, but ... if I call >> getInputStream() after getParameterMap() , the stream is empty > >> I'm using Tomcat 7.0.50 and I cannot understand the logic of >> this Interesting. I find that surprising... I'll look into that. - -chris -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: GPGTools - http://gpgtools.org iQIcBAEBCAAGBQJUttm6AAoJEBzwKT+lPKRYcSAP/jxIW6s7nsU+aI/XLVW02bxp Nqb6qkZAVuyvpLRxi6UXDIINR00jb06+ijaz21fLn0F3G0KNQXDPmKi+jcC6zX1P rB6pJsbfJQYGfkZ0pdF12q+WzFwq1CQbJ4fFlK6WDtKxzoo4XKjlFHwByEPU4yKU GgyEGX+OD0hIh6nzPyC5pR1iXBLC25f9rsqrlOL+S4sN2MXYLZlHUuBgqN0dOoqH MN4r5WaaDBQVhadMmi8PScZm3iFMwdjFro7ry4FOuqB5uH6cV6oLIpfzP6F9cTQ2 AUKiL1z6m5VdzsTbtJN0LwqvbILECClcrXJK1OCDL/Uzj04uqCL/+r88mVdjswAJ lacktHZzF+oPoY2oDDgMAPZTuPlr6nM2D4LETVYpSpUZIGWlJsDmNF/Fe7MAcAo6 ZoC16FSYDTDpEIwXmNzEgWRMn0400DLmdLaS+zO5Sr2h3EI793qVok8Q44yE2Tg8 Um7AdcpBhPzinbXK/OZMoj0YwcBmQDwo4Srdz1hxABc2VG+siCUu1NbwDa3qU+Tx 8Spi1d3Wpnbv2Vuw+1oNnD79EsH1Q3ookRoQTn9B3GDsr7FWs+WZAlSDQERRe+nR 84qswLpAWIC63Geqr3pH4Trsxaa+ge4RX66J8u6vIGYGaxsKJWblqsj02o19Y+O0 hu9eG7FK+q7/+7NR7cj5 =mRkw -----END PGP SIGNATURE----- --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
