authorization
Class ProcedureHandler

java.lang.Object
  com.wrq.vhi.script.api.ProcedureEventHandler
      authorization.ProcedureHandler

All Implemented Interfaces:

com.wrq.vhi.script.api.EventHandler

public class ProcedureHandler
extends com.wrq.vhi.script.api.ProcedureEventHandler

Guard access to a table procedure.

This ProcedureEventHandler is attached to any table procedure which needs to have access restricted to particular clients (users). In this example, this event handler is attached to all table procedures. Before access is granted to the procedure, the client user name is used as a key to look up the capabilities for that user. Access is granted to the table procedure only if the client has been granted that capability.

Field Summary

static java.lang.String

description

Fields inherited from interface com.wrq.vhi.script.api.EventHandler

DEFAULT_TIMEOUT

Constructor Summary

ProcedureHandler()

Method Summary

com.wrq.vhi.script.api.ProcedureRecordSet

executeProcedure(com.wrq.vhi.script.api.ExecuteProcedureEvent event) Execute a procedure only if the client is authorized to do so.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

description

public static final java.lang.String description

See Also:

Constant Field Values

Constructor Detail

ProcedureHandler

public ProcedureHandler()

Method Detail

executeProcedure

public com.wrq.vhi.script.api.ProcedureRecordSet executeProcedure(com.wrq.vhi.script.api.ExecuteProcedureEvent event)
                                                           throws com.wrq.apptrieve.agent.ApptrieveException

Execute a procedure only if the client is authorized to do so.

This event handler retrieves the user name and the procedure name and permits access to the procedure only if the procedure name appears in the user's "capability" list.

Overrides:

executeProcedure in class com.wrq.vhi.script.api.ProcedureEventHandler

Parameters:

event - the event instance

Returns:

the procedure result

Throws:

com.wrq.apptrieve.agent.ApptrieveException