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From "Roland Weber (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HTTPCORE-110) refactor message parsing and formatting, step 2
Date Thu, 23 Aug 2007 09:22:31 GMT

     [ https://issues.apache.org/jira/browse/HTTPCORE-110?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Roland Weber updated HTTPCORE-110:
----------------------------------

    Attachment: 2k7-08-23-parser-2.txt

Here's the next step. The header section parsing has been moved into a separate class, which
is stateful. The class basically encapsulates the parsing logic found in nio.AbstractMessageParser.
With respect to object creations, for blocking IO the change should be neutral for the message
head and add one object per footer section being received.
The same interface and class can be used for NIO in AbstractMessageParser and ChunkedInput,
where it would add one object creation per message and footer, respectively. The logic there
is a bit intricate though, I would prefer not to change it myself.

If I hear no complains by tomorrow evening (CET), I will commit this patch and proceed with
subsequent cleanup.

cheers,
  Roland


> refactor message parsing and formatting, step 2
> -----------------------------------------------
>
>                 Key: HTTPCORE-110
>                 URL: https://issues.apache.org/jira/browse/HTTPCORE-110
>             Project: HttpComponents Core
>          Issue Type: Improvement
>          Components: HttpCore
>    Affects Versions: 4.0-alpha5
>            Reporter: Roland Weber
>            Assignee: Roland Weber
>             Fix For: 4.0-alpha6
>
>         Attachments: 2k7-08-20-parser-1.txt, 2k7-08-23-parser-2.txt
>
>
> The line-level parsing and formatting for HTTP messages is spread across static helper
methods in o.a.h.message. Refactor the code to allow for easy replacement of these parser
and formatter elements, which are used by both core and NIO.
> Ideally, handling of header continuation lines, which is currently still implemented
in specific parsers for blocking and NIO, could be factored out too. That would require a
stateful parser.

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