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From "Francois-Xavier Bonnet (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HTTPCLIENT-1240) Empty HttpParams for cacheable requests
Date Mon, 17 Dec 2012 17:02:13 GMT

    [ https://issues.apache.org/jira/browse/HTTPCLIENT-1240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13534069#comment-13534069

Francois-Xavier Bonnet commented on HTTPCLIENT-1240:

Ok, I had a look at the code. Just to be sure I understand well: HttpParams got deprecated,
it has been replaced by RequestConfig which is an object that you create with a builder and
then you cannot modify it. So there is no replacement for what we could do before like adding
params during request processing (for example in HttpRequestInterceptor) and retrieve them
later in another HttpRequestInterceptor or in a HttpResponseInterceptor ?
> Empty HttpParams for cacheable requests
> ---------------------------------------
>                 Key: HTTPCLIENT-1240
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1240
>             Project: HttpComponents HttpClient
>          Issue Type: Bug
>          Components: Cache
>    Affects Versions: 4.2.1
>            Reporter: Francois-Xavier Bonnet
>            Priority: Minor
> With DefaultHttpClient, HttpResponse.getParams() returns a ClientParamsStack with all
the parameters previously set at HttpClient or HttpRequest level.
> With CachingHttpClient it returns an empty BasicHttpParams when a response is cached.
> This feature can be very usefull when you are doing complex processing with Interceptors
for example. It is described in HttpClient documentation:
> http://hc.apache.org/httpcomponents-client-ga/tutorial/html/fundamentals.html#d5e299
> http://hc.apache.org/httpcomponents-client-ga/httpclient/apidocs/org/apache/http/impl/client/ClientParamsStack.html
> CachingHttpClient should not break this feature.
> Here is some sample code:
> 	// Client and Request scoped params with DefaultHttpClient
> 	DefaultHttpClient httpClient = new DefaultHttpClient();
> 	httpClient.getParams().setParameter("testClientParam", "testClientParam");
> 	HttpGet httpGet = new HttpGet("http://www.google.fr/images/srpr/logo3w.png");
> 	httpGet.getParams().setParameter("testRequestParam", "testRequestParam");
> 	HttpResponse response = httpClient.execute(httpGet);
> 	EntityUtils.consumeQuietly(response.getEntity());
> 	System.out.println(response.getParams().getParameter("testClientParam"));
> 	System.out.println(response.getParams().getParameter("testRequestParam"));
> 	// Same test with CachingHttpClient
> 	httpClient = new DefaultHttpClient();
> 	CachingHttpClient cachingHttpClient = new CachingHttpClient(httpClient);
> 	cachingHttpClient.getParams().setParameter("testClientParam", "testClientParam");
> 	httpGet = new HttpGet("http://www.google.fr/images/srpr/logo3w.png");
> 	httpGet.getParams().setParameter("testRequestParam", "testRequestParam");
> 	response = cachingHttpClient.execute(httpGet);
> 	EntityUtils.consumeQuietly(response.getEntity());
> 	System.out.println(response.getParams().getParameter("testClientParam"));
> 	System.out.println(response.getParams().getParameter("testRequestParam"));
> If you agree I can provide a patch and unit tests

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