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http://jira.codehaus.org/browse/DISPL-594?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=173616#action_173616
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Lionel commented on DISPL-594:
------------------------------
sharing TableWriterTemplate prevents HssfTableWriter from beeing able to know
the type of the value
TableWriterTemplate adds the value using:
writeColumnValue(struct.decoratedValue, struct.column);
As decoratedValue is a String, the "instanceof" checks done in HssfTableWriter
.writeColumnValue() are always false, and the Cell value is always a
HSSFRichTextString.
This is a major issue as no mathematical function work on the cells.
> HTML export and Excel Hssf export share too much code
> -----------------------------------------------------
>
> Key: DISPL-594
> URL: http://jira.codehaus.org/browse/DISPL-594
> Project: DisplayTag
> Issue Type: Bug
> Components: Export, HTML Generation
> Affects Versions: 1.1.1
> Reporter: Michael Osipov
> Priority: Critical
>
> I recently ran into some problems with the Excel ASCII export and had to
> switch to the POI (binary) export which resolved my problems.
> Another issued popped up: When declaring maxWords or maxColumns on a column
> they are handled correctly in HTML. Using an export function would imply that
> this feature is ignored since this feature is only necessary in HTML. Doing
> an Excel export results in the same bevahior as in HTML which is incorrect.
> I checked the code and noticed that HTML and Excel share the same base.
> HTML: HTMLTableWriter => ... => TableWriterTemplate
> Excel: HssfTableWriter => ... => TableWriterTemplate
> This means that they share the implemented methods in the abstract class and
> share too much code, Excel output resebles the HTML one.
> The codes needs to be more separated!
> This bug is related to my other issue: DISPL-592
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