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Posted to dev@hc.apache.org by "James Leigh (JIRA)" <ji...@apache.org> on 2013/08/15 15:51:48 UTC
[jira] [Comment Edited] (HTTPCLIENT-1387) Replace URICollection
with List
[ https://issues.apache.org/jira/browse/HTTPCLIENT-1387?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13740966#comment-13740966 ]
James Leigh edited comment on HTTPCLIENT-1387 at 8/15/13 1:51 PM:
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This patch uses type-erasure to allow the RedirectLocations objects to implement both the 4.2 binary RedirectLocations interface AND implement java.util.List. This allows the object to be cast to either a RedirectLocations object (using the 4.2 interface) XOR cast to List<URI> interface. By using type-erasure the two interfaces use different method signatures to allow the two to co-exist while having the same method names, number of parameters, and different return types.
This patch is binary compatible with 4.2, yet provides a convenient List<URI> interface for 4.3.
James
was (Author: jamesrdf):
This patch uses type-eraser to allow the RedirectLocations objects to implement both the 4.2 binary RedirectLocations interface AND implement java.util.List. This allows the object to be cast to either a RedirectLocations object (using the 4.2 interface) XOR cast to List<URI> interface. By using type-eraser the two interfaces use different method signatures to allow the two to co-exist while having the same method names, number of parameters, and different return types.
This patch is binary compatible with 4.2, yet provides a convenient List<URI> interface for 4.3.
James
> Replace URICollection with List<URI>
> ------------------------------------
>
> Key: HTTPCLIENT-1387
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1387
> Project: HttpComponents HttpClient
> Issue Type: Improvement
> Components: HttpClient
> Affects Versions: 4.3 Beta2
> Reporter: James Leigh
> Labels: patch
> Fix For: 4.3 Final
>
> Attachments: HTTPCLIENT-1387.patch
>
>
> The 4.3 API should use List<URI> interface (as opposed to URICollection) for redirect locations, while also providing 4.2 RedirectLocations binary compatibility.
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