The response wrapper approach is historically how such transformations were done. However it is a lot of boilerplate code, very easy to get wrong and fails completely if the async IO API is used.
So another approach to consider is to use the jetty API for interceptors (see GzipHandler for an example) that will work with any content source. Ultimately I'd like to propose a standards based approach for this in Servlet-5.x, but it will be a while before such new features can be considered because of the distraction of renaming everything to jakarta.servlet.* cheers On Tue, 18 Feb 2020 at 12:55, Peter Boughton <je...@sorcerersisle.com> wrote: > Hi, > > I need to modify the content of responses, so I'm writing a filter. > > I found a couple of different approaches here: > > https://stackoverflow.com/questions/14736328/looking-for-an-example-for-inserting-content-into-the-response-using-a-servlet-f#14736818 > > The simpler solution from iTech works - but only when directly > requesting a file. > > i.e. example.com/dir/index.html works, but example.com/dir/ returns the > unmodified content of index.html > > The longer (accepted) solution works in both cases, so I'm guessing its > convoluted use of getOutputStream/etc is somehow relevant to it working, > but I don't see why the same file triggers different behaviour, just > because it's going via the default/welcome file mechanism. > > Is it really necessary to jump through all those hoops in order to get > and set response content, or am I missing some simpler way? > > > Thanks, > > Peter > > _______________________________________________ > jetty-users mailing list > jetty-users@eclipse.org > To change your delivery options, retrieve your password, or unsubscribe > from this list, visit > https://www.eclipse.org/mailman/listinfo/jetty-users > -- Greg Wilkins <gr...@webtide.com> CTO http://webtide.com
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