That sounds excellent. There would be some obvious performance concerns with such a filter, but it does sound like a useful function if one fully understands the implications.
-- Frank W. Zammetti Founder and Chief Software Architect Omnytex Technologies http://www.omnytex.com On Wed, May 25, 2005 1:43 pm, Rudman Max said: > Can we also add a Filter to replace a regex with some value in the > output? I've found myself having to write that a couple of times. I > can help contribute to this effort. > > Max > > On May 25, 2005, at 9:25 AM, Frank W. Zammetti wrote: > >> Proposal for Commons Filters Package (hope I did this right!) >> >> >> Rationale >> --------- >> I frequently see questions asked on the Struts Users and Tomcat Users >> lists that result in the answer "write a servlet filter for it". >> There >> are many functions which it would be nice to have available in a >> filter in >> a flexible, independant way, things that can be reused across many >> projects without being tied to a particular framework or server. >> >> With this in mind, I propose a new Commons Filters package. >> Alternatively, this could be a new component under the Commons >> Servlets >> package, but that package would need to move in to the sandbox I >> believe. >> I am open to either approach, although I prefer the first. >> >> >> Scope of the package >> -------------------- >> Any function which can be used independant of a given framework or app >> server might be eligible. By way of example, the following are some >> filters I have written and which might make good candidates: >> >> * CacheControlFilter - This allows for control of setting cache >> headers, >> similar to the Struts RequestProcessor's cachecontrol setting, but >> in a >> more fine-grained manner. >> >> * AppAvailabilityFilter - This allows a developer to determine if an >> application is available to users based on a defined "availability >> window". >> >> * InvalidUserRedirectFilter - This allows for redirection to a defined >> page when a particular attribute is not found in session. >> >> >> Interaction with other packages >> ------------------------------- >> Commons Logging would be used for all logging functionality, and >> Commons >> Digester would be used for any configuration file parsing that a >> filter >> might require. >> >> I would be willing to provide at least a few initial filters to get >> the >> codebase going. I am reasonably sure others will contribute their >> work >> quickly. >> >> >> Identify the base name for the package >> -------------------------------------- >> org.apache.commons.filters >> >> Perhaps org.apache.commons.servletfilters might be more >> appropriate, or if >> put under the Servlets package then org.apache.commons.servlet.filters >> would be the name. >> >> >> Identify the coding conventions for this package >> ------------------------------------------------ >> The code would use the Sun Standard coding conventions (mostly!). >> >> >> Identify any Jakarta-Commons resources to be created >> ---------------------------------------------------- >> * Mailing list - Commons dev/user lists would be used, I do not >> envision >> this ever requiring its own list. Besides, I agree with the >> concept that >> all Commons projects should probably use the same two lists to achieve >> maximum benefit of a "Commons" project philosophy. >> >> * CVS repository - Probably a root branch of the Jakarta-Commons >> CVS? I >> leave this to those that know more than me to decide! >> >> * Bugzilla - The package should be listed as a component of under the >> Jakarta-Commons Bugzilla entry. >> >> >> Identify the initial set of committers to be listed in the Status File >> ---------------------------------------------------------------------- >> Frank W. Zammetti, although I'm not sure I *can* be listed because >> I have >> no present involvement under Apache officially and I don't know >> what the >> rules/requirements are, so again I leave this to those that know >> more than >> me to decide... as long as I am involved in some fashion I'm OK >> with it. >> >> >> -- >> Frank W. Zammetti >> Founder and Chief Software Architect >> Omnytex Technologies >> http://www.omnytex.com >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: [EMAIL PROTECTED] >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
