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https://issues.apache.org/jira/browse/HTTPCORE-107?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Roland Weber reassigned HTTPCORE-107:
-------------------------------------

    Assignee: Roland Weber

> tolerate SIP or other like-HTTP message formats
> -----------------------------------------------
>
>                 Key: HTTPCORE-107
>                 URL: https://issues.apache.org/jira/browse/HTTPCORE-107
>             Project: HttpComponents Core
>          Issue Type: Improvement
>    Affects Versions: 4.0-alpha5
>            Reporter: Roland Weber
>            Assignee: Roland Weber
>             Fix For: 4.0-alpha6
>
>
> The Session Initiation Protocol in RFC 3261 defines a message format which is 
> structurally identical to HTTP/1.1 
> (http://tools.ietf.org/html/rfc3261#section-7). The only difference is that 
> the protocol name used in the request and response lines is SIP instead of 
> HTTP, and the version number is 2.0. HttpCore should be able to handle these 
> messages, or others with alternative protocol names but identical syntactic 
> structures. There are two parts of core affected:
> - HttpVersion currently stores only the version number, but uses a hard-coded 
> protocol name HTTP
> - HTTP message parsing checks for a hard-coded protocol name HTTP (both core 
> and NIO)
> Note that this is "tolerance for" and not "support of" SIP. SIP makes heavy 
> use of intermediate 1xx responses, for which our HttpRequestExecutor and 
> HttpService classes are not prepared. The rest of the core/main module, 
> including message representation, connections, and the params and interceptor 
> frameworks, could be used for SIP or other alternative protocols without 
> further changes.
> This is a change of medium complexity which would significantly improve the 
> flexibility of the HttpCore module.

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