{
ppe = new XSLFPowerPointExtractor(OPCPackage.open(is));
}
catch (IOException e)
{
throw new DocumentReadException("Can't open presentation.", e);
}
catch (OpenXML4JRuntimeException e)
{
throw new DocumentReadException("Can't open presentation.", e);
}
catch (OpenXML4JException e)
{
throw new DocumentReadException("Can't open presentation.", e);
}
catch (XmlException e)
{
throw new DocumentReadException("Can't open presentation.", e);
}
return ppe.getText(true, true);
}
finally
{