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GzipHandler is a compression handler that you can apply to any dynamic resource (servlet).
It fixes many of the bugs in commonly available compression filters: it works with asynchronous servlets; it handles all ways to set content length.
It has been tested with Jetty continuations and suspending requests.
Some user-agents might be excluded from compression to avoid common browser bugs (yes, this means IE!).
GzipHandler is added to the entire server by the
etc/jetty-gzip.xml file from the
It may also be added to individual contexts in a context xml file.
Jetty 9 only compresses using GZip. Using deflate http compression is not supported and will not function.
GzipHandler will gzip the content of a response if:
Compressing the content can greatly improve the network bandwidth usage, but at the cost of memory and CPU cycles.
The DefaultServlet is capable of serving pre-compressed static content, which saves memory and CPU.
By default, the
GzipHandler will check to see if pre-compressed content exists, and pass the request through to be handled by the
GETrequests are compressed.
String.startsWith(String)comparison to check if the path matches. If it does match then there is no compression. To match subpaths use excludePathPatterns instead.