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From "David Waite (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HTTPCLIENT-1090) CachingHttpClient should be able to cache ResponseHandler responses (or the result of some new form of ResponseHandler)
Date Fri, 13 May 2011 20:55:47 GMT
CachingHttpClient should be able to cache ResponseHandler responses (or the result of some
new form of ResponseHandler)
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                 Key: HTTPCLIENT-1090
                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1090
             Project: HttpComponents HttpClient
          Issue Type: Improvement
          Components: HttpClient
    Affects Versions: 4.1.1
         Environment: Mac OS X 10.6.7 + Eclipse Helios SR2
            Reporter: David Waite
            Priority: Minor


When creating a ResponseHandler to parse the response value into a usable java object, I notice
that the code is executed every time, even if the response object is served from cache. It
would be nice to have a system where a ResponseHandler can be written such that its value
is also served from cache. This may require a different interface which:
- Exposes just the values which are not altered when served from a cache
- Returns objects which can be cached out of process ( through documentation, and having the
return type extend Serializable)

Alternatively, if there is a header uniquely identifying a response, a WeakHashMap could be
used to provide a cache associating a response with a created object (although such a cache
would not correlate to the HTTP cache in terms of retention)

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