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From "Jukka Zitting (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (TIKA-132) Refactor Excel extractor to parse per sheet and add hyperlink support
Date Sat, 12 Jul 2008 09:43:31 GMT

     [ https://issues.apache.org/jira/browse/TIKA-132?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jukka Zitting resolved TIKA-132.
--------------------------------

       Resolution: Fixed
    Fix Version/s: 0.2-incubating

POI is now 3.1 and hyperlinks are enabled in Tika. Resolving as Fixed.

> Refactor Excel extractor to parse per sheet and add hyperlink support
> ---------------------------------------------------------------------
>
>                 Key: TIKA-132
>                 URL: https://issues.apache.org/jira/browse/TIKA-132
>             Project: Tika
>          Issue Type: Improvement
>          Components: parser
>    Affects Versions: 0.1-incubating
>            Reporter: Niall Pemberton
>            Priority: Minor
>             Fix For: 0.2-incubating
>
>         Attachments: TIKA-132-ExcelExtractor-refactor-v2.patch
>
>
> In the excel record stream, hyperlink records come at the end of the sheet, after the
cell value records. This is a problem for the current streaming implementation of the excel
parser since it means the hyperlink cannot be output when a cell is being processed.
> Jukka suggested the following on the mailing list:
> "How about if the streaming Excel parser maintained a sparse in-memory table of the contents
of the sheet that is currently being parsed and would only generate the respective SAX events
once the sheet has been parsed? Since we can focus on only the information that's relevant
to Tika clients, the memory requirements sould be moderate even for huge sheets (i.e. much
less than the file size even for a single-sheet file). This should satisfy the low memory
footprint requirements reasonably well while allowing us to generate more accurate output."
> See here: http://tika.markmail.org/message/ac3kgujkcrgqyb4i

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