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Question

... for getting epub and mobi starting with InDesign (also use for print book).
We have the following (requirements):
About 6 (technical) books (containing a variety of formatting – primarily paragraphs and chapters but also a significant  number of flowcharts, formulae and tables) which would be updated/republished annually
Need to support iPad, Android and Kindle devices – we aim to do so via Epub and Mobi
We will host/sell the output directly from our own website and can do this without external help (no Amazon or Apple)
Will continue to use the InDesign files to also create PDF, as another online format, and also as the basis for the print publication. It is important to us to get as close to a single sourcing solution as possible (to minimise the amount of tweaking required after output from InDesign)
The publications are well defined by styles within InDesign
We are in Sydney, Australia (no particular need to deal with somebody in Australia though)
We currently have no requirement for any DRM. 
Many thanks for any advice
Stuart

Answer 1

There is no ready made way of doing this. We will have to extend the existing runtime class to introduce the new functionality. The following code fragment will assist you in doing this -
Extend URLRenderer class :
public class MyURLRenderer extends URLRenderer
//String to hold parameter name for portal user. This should be same as the parameter name looked for by pageUrl.
private String PORTAL_USER_PARAM_NAME = "puser";
* Method to add portal user name as a parameter to URL Services pageUrl.
public void renderBody(PortletRenderRequest pr) throws PortletException,
AccessControlException
//Read portal user name
String portalUser = pr.getUser().getName();
String pageUrl = this.getPageUrl();
//Add portal user name as parameter to the existing <pageUrl>.
pageUrl = PortletRendererUtil.parameterizeLink(pageUrl, PORTAL_USER_PARAM_NAME + "=" + portalUser);
//Update with new pageUrl.
setPageUrl(pageUrl);
//Call parent class's render method.
super.renderBody(pr);
}//end of renderBody
}//end of MyURLRenderer
Let me know if you have further queries.
Thanks,
Amjad.