BBjspPageContext::contains (Deprecated)

The BBJSP system is deprecated. For new development, use BBxServlet.

Description

In BBj 16.0 and higher, this method returns a boolean indicating whether the named attribute has been set within this BBjspPageContext.

Syntax

Return Value	Method
boolean	contains(string `name`)

Parameters

Variable	Description
name	the name of the header

Return Value

a boolean where 0 = not set and 1 = set.

Example

This example demonstrates how this works in a BBJSP widget

REM === REM === A BBjspWidget that counts page-visits for the user. REM === class public PageCounterWidget implements BBjspWidget   method public void open(BBjspPageContext context!)     declare BBjspWebRequest request!     declare BBjspWebSession session!     declare BBjspSessionData data!     declare BBjspLogger logger!     declare BBjspHashMap visitMap!     request! = context!.getRequest()     session! = context!.getSession()     data! = context!.getBBjspSession()     logger! = context!.getLogger()     url$ = request!.getRequestURL()          if !data!.contains("PAGE_VISITS") then       data!.setAttribute("PAGE_VISITS",BBjAPI().makeBBJSP().makeBBjspHashMap())     endif          visitMap! = data!.getAttribute("PAGE_VISITS")          ct = 0     if visitMap!.containsKey(url$) then       ct = num(visitMap!.get(url$))     endif     ct = ct + 1     visitMap!.put(url$,str(ct))          logger!.log(url$ + " VISIT COUNTER : " + str(ct))          context!.saveBBjspSession()        methodend classend

See Also

BBjspPageContext

BBjspHashMap (Deprecated)