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From "Wing-Hong Andrew Ko (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TIKA-2044) MboxParser wrongly concatenates multiple text lines into single header line
Date Mon, 03 Apr 2017 23:40:41 GMT

    [ https://issues.apache.org/jira/browse/TIKA-2044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15954338#comment-15954338
] 

Wing-Hong Andrew Ko commented on TIKA-2044:
-------------------------------------------

Hello!

In addition to incorrect handling of multi-line header values, the MboxParser also allows
content in the body of a message to override the header values.

May I submit a single PR with a refactor and unit tests for both issues?

Thanks!!
Andrew

> MboxParser wrongly concatenates multiple text lines into single header line
> ---------------------------------------------------------------------------
>
>                 Key: TIKA-2044
>                 URL: https://issues.apache.org/jira/browse/TIKA-2044
>             Project: Tika
>          Issue Type: Bug
>    Affects Versions: 1.13
>         Environment: Tika 1.13, and 1.14 nightly build at the time of this writing
>            Reporter: Vjeran Marcinko
>
> MboxParser combines multiple text lines into single header value by (suposedly) using
LIFO structure (stack - java deque), but instead it uses FIFO (queue) to fetch last inserted
line and to extend it with current line in incorrect way:
> Current code:
> Queue<String> multiline = new LinkedList<String>();
> ... few lines below...
> String latestLine = multiline.poll();
> Whereas it should be:
> Deque<String> multiline = new LinkedList<String>();
> ... few lines below...
> String latestLine = multiline.pollLast();



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