the JCM for the Purchase operation. The purchase operation cassette uses MasterCard and VISA as instruments, and the Secure Electronic Transfer (SET) and Secure Socket Layer (SSL) protocols. The JCM for the purchase operation also includes product and price information. #Specify the OperationOperation=Purchase#Specify the valid instruments and protocolsValidInstruments=Visa, MasterCardValidProtocols=SSL, SET#Parameters for the purchase operationpurchase.item=widgetpurchase.price=2.24 USD#Parameters for the SSL and SET protocolsSSL.Submit=http://somecgiSET.MerchantServer=http://setserverCreate the Java Commerce Message for the Install Operation Here is the JCM for the install operation. If the correct purchase cassette is not found on the local system, the correct purchase cassette is downloaded from the web server and automatically installed. The purchase and installation operations are separate operations each requiring their own JCM. The install JCM is usually a flat file because it does not normally contain any dynamic information. #Install the cassetteOperation=InstallCassetteIdentifier=purchase_1.1CassetteLocators.1=http://www.sun.com/purchase.jarDependencyCassetteLocators.1.1= http://www.sun.com/set.jcmThe CassetteIdentifier parameter is the unique identifier passed to myCassetteIdentifier method in the CassetteControl class implementation. The CassetteLocators parameter is the location of the JAR file that contains the cassette, and the DependencyCassetteLocators parameter points to the insall JCMs for the cassettes on which this cassette depends.ReferencesArticle: Jackson, Richard. "Running Down the Up-escalator: Regional Inequality I n Papua New Guinea." Australian Geographer 14 (May 1979): 175-84.Pitts, David and Ball, Bill Red Hat 6 Unleashed. Sams, 1999.Stapleton, Lisa and Pawlan, Monica. " Electronic Commerce, Part One: Getting into the Game" *http://developer.java.sun.com/developer/index.html *. May 1992. ...
