java convert odt to html without installed office

Hey,

I am trying to convert an odt-document into html by using java and not
having openoffice installed.

Currently I am only converting the content.xml into html but the outcome is
very poor... I do not achieve 
to implement the images into the html-file and the layout of the
html-document is very poor too...

Has anyone of you realized a better html-result yet?  My main problem is
that I don´t know how I can convert 
all the xml-files contained in the odt-package into one html-document
because I don´t know for sure how the 
xml files really work together. Is there a way to integrate the styles.xml
and the context.xml
into the conversion so I will get a better result? 

The document-conversion doesn´t has to be perfect, but at least the document
should be readable and the pictures 
should be implemented too.

The project has to be in java because I want to integrate it into a portal
environment and view office-documents in a portlet.

If someone could give me a few hints how to accomblish what I am trying to
do I would be very thankful!

Thx

maxwell

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