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https://issues.apache.org/jira/browse/ODFTOOLKIT-388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13978730#comment-13978730
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Nick Evans commented on ODFTOOLKIT-388:
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A workaround for this problem is to use the ODFDOM API and work closer to the
actual XML representation of the document. In this way, it is much easier to
iterate over rows and columns that "exist" as you can simply iterate over the
{code:xml}<table:table-row> {code} and {code:xml}<table:table-cell> {code}
elements and implement your own (simple) logic for recognizing empty
rows/cells. In general the ODFDOM methods perform very well as they boil down
to efficient DOM lookups/updates.
Using the ODFDOM API can feel a bit low-level and fiddly at first but is worth
the effort (I found it greatly improved the performance of my ODF programs, and
allowed me to do things that were not possible with the simple API).
> Test hangs when iterating over a spreadsheet created with LibreOffice 4.0.0
> ---------------------------------------------------------------------------
>
> Key: ODFTOOLKIT-388
> URL: https://issues.apache.org/jira/browse/ODFTOOLKIT-388
> Project: ODF Toolkit
> Issue Type: Bug
> Components: simple api
> Affects Versions: 0.6-incubating, 0.6.1-incubating
> Reporter: Bruno Girin
> Attachments: SpreadsheetDocumentTest.java, saxProblem.ods,
> simple.ods, toolkit.patch
>
>
> When iterating over a simple spreadsheet created with LibreOffice 4, the code
> hangs on Row.getCellCount().
> Running the same document through the validator at
> http://odf-validator.rhcloud.com/ confirms that it is conformant to ODF1.2:
> {quote}
> The document is conformant ODF1.2!
> Details:
> simple.ods: Info: ODF version of root document: 1.2
> internal:/schema/odf1.2/OpenDocument-v1.2-cos01-manifest-schema.rng: Info:
> parsed.
> simple.ods/META-INF/manifest.xml: Info: no errors, no warnings
> simple.ods/mimetype: Info: no errors, no warnings
> simple.ods: Info: Media Type: application/vnd.oasis.opendocument.spreadsheet
> internal:/schema/odf1.2/OpenDocument-v1.2-cos01-schema.rng: Info: parsed.
> simple.ods/meta.xml: Info: Generator: LibreOffice/4.0.2.2$Linux_X86_64
> LibreOffice_project/400m0$Build-2
> simple.ods/meta.xml: Info: no errors, no warnings
> simple.ods/settings.xml: Info: no errors, no warnings
> simple.ods/styles.xml: Info: no errors, no warnings
> simple.ods/content.xml: Info: no errors, no warnings
> internal:/schema/odf1.2/OpenDocument-v1.2-cos01-dsig-schema.rng: Info: parsed.
> simple.ods: Info: no errors, no warnings
> {quote}
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