Linux Troubleshooting for System Administrators and Power Users

4 An example: the theatre demo

This example shows a Jini smartCard services being used by the SoNG MPEG-4 player. We thank Laurent Lagosanto from Gemplus Research for helping us in integrating this research product from Gemplus in the SoNG theatre Demo. We also thank FT R&D for helping us when writing the XML messaging system between the javascript User Interface and the java MPEG-J layer above the scene graph api.

Figure 9.4: An e-commerce application: the theatre demo

An electronic ticket is stored in the smartcard if a valid pin code is entered using the synthetic layer2D keyboard. Its XML description is shown below:

<ticket typeID="eventTicket" ticketID="001234"> <issuerID>03435</issuerID> <ownerID>42678</ownerID> <validity> <numberOfTimes>ONCE</numberOfTimes> <validPeriod> <vBegin day="2002-01-31" hour="21:00:00"/> <vEnd day="2002-01-31"/> </validPeriod> </validity> <view resource="http://wiki.inrialpes.fr/ tickets/ticket1.gif"/> <promise> <place>Theatre de l'atelier</place> <sName>La directrice et le financier</sName> <seat>192</seat> <seat>189</seat> <seat>398</seat> </promise> </ticket>