digester.addSetProperties("database/user");
digester.addSetNext("database/user", "addUser");
digester.addObjectCreate("database/user/subscription",
"org.apache.struts.webapp.example.Subscription");
digester.addSetProperties("database/user/subscription");
digester.addSetTop("database/user/subscription", "setUser");
// Parse the input stream to initialize our database
digester.parse(bis);
bis.close();