BBjJettyContext::removeAttribute


Description

In BBj 15.0 and higher, this method removes the specified attribute.

Syntax

Return Value

Method

void

removeAttribute(string name)

Parameters

Variable

Description

name

the name of the attribute to remove.

Return Value

None.

Remarks

The BBjJettyContext provides a repository for run-time attributes which are stored as a name - value pair.

Example

declare BBjServletData data!
data! = BBjAPI().getServletData()
declare MyServlet myServlet!
myServlet! = new MyServlet()
data!.setCallback(data!.ON_WEB_CONNECTION, myServlet!, "myMethod")
process_events
class public MyServlet
    field private BBjNumber chan
    field private BBjHttpSession session!
    field private BBjHttpRequest request!
    field private BBjHttpResponse response!
    field private BBjJettyContext context!

    method public void myMethod(BBjServletEvent p_event!)
        #chan = UNT
        #request! = cast(BBjHttpRequest,p_event!.getHttpRequest())
        #session! = cast(BBjHttpSession,#request!.getSession())
        #context! = cast(BBjJettyContext,#session!.getContext())

        #response! = p_event!.getHttpResponse()
        #response!.setContentType("text/html")
        open (#chan)"JSERVLET"

        print (#chan)"<html>"
        print (#chan)"<body>"
        print (#chan)"<h1>>BBj Context Test</h1>"
        print (#chan)"<h3>Running in context<b>"
        print (#chan)#context!.getContextName()
        print (#chan)"</b></h3>"
        print (#chan)"<hr>"
        #renderAttributes()
        print (#chan)"</body>"
        print (#chan)"</html>"
        close (#chan)
    methodend
    method public void renderAttributes()
        vectAttribNames! = #context!.getAttributeNames()
        print (#chan)"<table>"
        print (#chan)"<tr>"
        print (#chan)"<td>Attribute Name</td>"
        print (#chan)"<td> </td>"
        print (#chan)"<td>value</td>"
        print (#chan)"</tr>"
        if (vectAttribNames!.size()) then
            for i = 0 to vectAttribNames!.size() -1
                n$ = vectAttribNames!.get(i)
                o! = #context!.getAttribute(n$)
                isMyClass = 0
                mc! = cast(MyClass,o!, err = *next); isMyClass = 1
                if (isMyClass) then
                    v$ = mc!.getFirstName() + " " + mc!.getLastName()
                else
                    v$ = str(o!)
                endif
                print (#chan)"<tr>"
                print (#chan)"<td>" + n$ + "</td>"
                print (#chan)"<td />"
                print (#chan)"<td>" + v$ +"</td>"
                print (#chan)"</form>"
                print (#chan)"</tr>"
            next i
        endif
        print (#chan)"</form>"
        print (#chan)"</table>"
    methodend
classend

See Also

BBjAPI

BBjServletEvent

BBjJettyContext