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Class examples.wlec.servlets.university.UniversityHelper

examples.wlec.servlets.university.UniversityHelper

public class UniversityHelper

This example demonstrates how a WebLogic Servlet can connect to WebLogic Enterprise and invoke operations on CORBA objects. This contains a set of methods which are called by the jsp servlets that are included as part of this sample.

When the Weblogic Server comes up, it opens multiple connections to the WebLogic Enterprise IIOP listener.
The servlet picks up a connection from the connection pool; that is, it acts as a WebLogic Enterprise client and gets a client context from the bootstrap factory.
The servlet then finds the factory finder and the Registrar factory and gets the Registrar object.
When the user submits the form, the appropriate operation is invoked. This request goes through the ISL/ISH to the appropriate server in the WebLogic Enterprise domain.
The server performs the requested operation and sends the data back to the servlet.
The servlet returns the data to the client browser within some generated HTML.

gRegistrarObjRef
gStudentDetails
gTransCur

UniversityHelper()

get_course_details(java.lang.String courseNum)
get_courses(java.lang.String aCriteria)
getTransCur()
univInit(): Because there is no way to override the init method, we need to come up with a local initialization method that can be called from a jsp servlet.
verifyStudent(java.lang.String studentIden)

gRegistrarObjRef

public UniversityT.Registrar gRegistrarObjRef

gStudentDetails

public UniversityT.StudentDetails gStudentDetails

gTransCur

public org.omg.CosTransactions.Current gTransCur

UniversityHelper

 public UniversityHelper()

get_course_details

 public UniversityT.CourseDetails[] get_course_details(java.lang.String courseNum) throws java.lang.Exception

Parameters:: courseNum - Course number
Throws: java.lang.Exception: if the servlet fails

get_courses

 public UniversityT.CourseSynopsis[] get_courses(java.lang.String aCriteria) throws java.lang.Exception

Parameters:: aCriteria - Course selection criteria
Throws: java.lang.Exception: if the servlet fails

getTransCur

 public org.omg.CosTransactions.Current getTransCur()

univInit

 public void univInit() throws java.lang.Exception

Because there is no way to override the init method, we need to come up with a local initialization method that can be called from a jsp servlet. It initializes the servlet. Here, we get the Bootstrap object, the Factory Finder and the Registrar factory during the startup.

Throws: java.lang.Exception: if the servlet fails

verifyStudent

 public boolean verifyStudent(java.lang.String studentIden) throws java.lang.Exception

Parameters:: studentIden - Student identity
Throws: java.lang.Exception: if the servlet fails

All Examples  All WebLogic Enterprise Connectivity Examples This Package