CICS Transaction Gateway V5 The WebSphere ... - IBM Redbooks

Figure B-4 Class variables
342 CICS Transaction Gateway V5
public class CTGTesterECIServlet extends HttpServlet
{
// date loaded into application server
private Date loadedDate;
// jsp names
private static final String jspResults = "results.jsp";
private static final String jspError = "error.jsp";
private static final String jspException = "exception.jsp";
// names of attributes set in the request
private static final String attrResultsString = "results";
private static final String attrDefaultResultsString = "defaultResults";
private static final String attrHexResultsString = "hexResults";
private static final String attrErrorMessages = "errorMessages";
private static final String attrErrorException = "errorException";
private static final String attrLastLoaded = "lastLoaded";
private static final String attrCicsProgram = "funcName";
private static final String attrGatewayURL = "gatewayURL";
private static final String attrGatewayPort = "gatewayPort";
private static final String attrServer = "server";
private static final String attrUsername = "username";
private static final String attrHttpUsername = "httpusername";
private static final String attrMirror = "mirror";
private static final String attrCommareaLength = "commareaLength";
private static final String attrCommarea = "commareaInput";
private static final String attrManaged = "managed";
private static final String attrEncoding = "encoding";
private static final String attrReturnCode = "returnCode";
private static final String attrReturnString = "returnString";
private static final String attrAbendCode = "abendCode";
private static final String attrTrace = "trace";
private static final String attrProgress = "progress";
We declare the names of the JSPs we use to display the results of the program,
as well as the attribute names we use to pass the results to the JSPs.
The Servlet interface class contains the init(), destroy(), and service()
methods. The first of these methods we define is our init() method (Figure B-5
on page 343). The purpose of the init() method is to perform the necessary
servlet initialization. It is guaranteed to be the first method to be called on any
servlet instance. The servlet implemented may choose to override this method to
perform custom servlet initialization. In our init() method, we instantiate our
loadedDate object so as to set the time of loading and also call the superclass
init() method to ensure the proper HttpServlet initialization occurs.