Article:  |
Two Servlet Filters Every Web Application Should Have | |
| Subject: | Cache Filter | |
| Date: | 2004-01-05 09:27:42 | |
| From: | anonymous2 | |
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Here's a couple of ideas from the Cache filter I wrote and use in production: - don't use cache when the method is "PUT" - use special processing for conditional gets ("If-Modified-Since" in the request header). - cache all the response headers as well as the data. - pull the cache invalid time per item from the "Expires" response header, if not found use a default. - implement a web spider to force preemptive caching of the site.
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