Add allowCaching attribute to StreamResult
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Key: WW-2665
URL: https://issues.apache.org/struts/browse/WW-2665
Project: Struts 2
Issue Type: Improvement
Components: Dispatch Filter
Reporter: Al Sutton
Attachments: allowCaching_on_streams.patch
The attached patch adds the attribute "allowCaching" to results that use
StreamResult. The allowCaching attributes lets developers configure whether or
not the stream result should be cached.
If set to true (which is the default) the result can be cached by any
downstream proxy or the client, if set to false the following headers are added
to the response in order to discourage caching by proxies and clients;
Pragma: no-cache
Cache-Control: no-cache
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