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From "Stefano Bagnara (JIRA)" <mime4j-...@james.apache.org>
Subject [jira] Commented: (MIME4J-152) Zero parts multipart messages are parsed as 1 empty part multipart messages
Date Wed, 30 Dec 2009 13:25:29 GMT

    [ https://issues.apache.org/jira/browse/MIME4J-152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12795307#action_12795307
] 

Stefano Bagnara commented on MIME4J-152:
----------------------------------------

It seems MimeEntity have very similar code for EntityStates.T_PREAMBLE and T_IN_BODYPART states.
Analyzing the minor differences (trying to clean up code) I found out this bug.

It can be easily solved by remove any code from T_PREABLE and leave the switch/case fallback
to T_IN_BODYPART.
        case EntityStates.T_PREAMBLE:
        	// removed specific code. Fallback to T_IN_BODYPART that
        	// better handle missing parts.
        case T_IN_BODYPART:


(PS: maybe we don't need the T_IN_BODYPART state anymore and we could use the T_PREABLE instead..)

> Zero parts multipart messages are parsed as 1 empty part multipart messages
> ---------------------------------------------------------------------------
>
>                 Key: MIME4J-152
>                 URL: https://issues.apache.org/jira/browse/MIME4J-152
>             Project: JAMES Mime4j
>          Issue Type: Bug
>    Affects Versions: 0.6
>            Reporter: Stefano Bagnara
>            Assignee: Stefano Bagnara
>            Priority: Minor
>             Fix For: 0.8
>
>         Attachments: testmsgs-missingboundaries.zip
>
>
> Mime4j currenlty parse a message having only the start boundary as an empty message (zero
parts) but at the same time parse a message with no boundary (no start and no end) as a message
with 1 empty part.
> This is clearly wrong.
> We also already have a missing-inner-boundary.msg in our testsuite but the expectation
files are wrong.

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