Java
http://www.1wire.info/
http://www.maxim-ic.com/products/ibutton/software/1wire/1wire_api.cfm
http://pl.wikipedia.org/wiki/1-Wire_API_for_Java_Software_Development_Kit
Joomla
http://docs.joomla.org/How_to_use_the_database_classes_in_your_script