getParameters would return all the parameter Try getParameter() to get
individual parameters. This would work in both cases of get as well as post
Irfan
-----Original Message-----
From: Scott Evans [mailto:[EMAIL PROTECTED]]
Sent: Thursday, June 08, 2000 1:54 AM
To: [EMAIL PROTECTED]
Subject: Re: Invoking a servlet via a hyperlink
I believe that the problem with this approach is that POST/doPost()
parameters are not supposed to be in the url where they can be seen by the
client. They are intended to be sent as part of the header. If you want to
send parameters as part of a link you should use the GET/doGet() or
GET/service().
Scott
-----Original Message-----
From: Ferghil O'Rourke [mailto:[EMAIL PROTECTED]]
Sent: Thursday, June 08, 2000 3:47 AM
To: [EMAIL PROTECTED]
Subject: Re: Invoking a servlet via a hyperlink
Yes. I've just managed to get this working. I can now invoke
the servlet and pass in the parm values trailing it.
Just a Q since I have you though. When I use
req.getParameters()
to get the parameter string here it just comes back as one
big
string. So I'll have to parse the parameters out manually
right?
Thanks.
Ferghil
-----Original Message-----
From: A mailing list about Java Server Pages specification
and reference
[mailto:[EMAIL PROTECTED]]On Behalf Of Shrisha
Radhakrishna
Sent: Wednesday, June 07, 2000 7:37 PM
To: [EMAIL PROTECTED]
Subject: Re: Invoking a servlet via a hyperlink
I might be way off here (since I don't use this approach);
but, can't you
just say
<a
href="servlet/controllerServlet?name=RetrieveVendors.do¶m1=value1..">Hyp
erlink</a>
This should definitely invoke the controller servlet with
all the right
parameters.
----- Original Message -----
From: "Ferghil O'Rourke" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, June 07, 2000 5:44 PM
Subject: Re: Invoking a servlet via a hyperlink
> Yes, I'm pretty sure that I can pass the values via the
href ok to the
> servlet
> and have it parse those parms when it gets them. But
that's not the
problem.
>
> The problem is how to get the servlet invoked from the
hyperlink. Right
now
> the hyperlink isn't even invoking my servlet.
> Also, I'd prefer not to use javascript if possible as I
don't want to run
> the risk of losing browsers that don't support it.
>
> -Ferghil
>
> -----Original Message-----
> From: A mailing list about Java Server Pages specification
and reference
> [mailto:[EMAIL PROTECTED]]On Behalf Of Ian
> Sent: Wednesday, June 07, 2000 6:33 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Invoking a servlet via a hyperlink
>
>
> have you tried using
>
> <a href="RetrieveVendors.do?name1=value1&name2=value2">my
link</a>
>
> I would think this would pass all the same info as a form.
>
> /Ian
>
> -----Original Message-----
> From: A mailing list about Java Server Pages specification
and reference
> [mailto:[EMAIL PROTECTED]]On Behalf Of Ferghil
O'Rourke
> Sent: Wednesday, June 07, 2000 7:31 PM
> To: [EMAIL PROTECTED]
> Subject: Invoking a servlet via a hyperlink
>
>
> [sorry, not sure this got submitted earlier...]
>
> Anyone got any ideas on how handle hyperlinks in an MVC
controller
servlet?
>
> We've been in the process of developing a servlet based on
the MVC model 2
> architecture for the last few months now. And many thanks
to Craig for his
> key contributions here. I've implemented his action class
mechanism
> successfully to have a single "controller" servlet
interact with java
> business objects thru action objects.
>
> Each action object maps to the name attached to a FORM
SUBMIT in our JSP
> pages. So, for example, a pushbutton submits the name
"RetrieveVendors.do"
> to the controller servlet, the servlet uses this string as
a key to a
> hashtable of action class names, instantiates the relevant
action class,
and
> finally invokes it's perform() method. The action class
then takes over
and
> performs processing relavant to that pushbutton. It also
has the facility
to
> pull all the data from the SUBMIT into the relevant
business object.
>
> It all works very nicely. However, the whole mechanism
does depend on all
> interaction with the controller servlet being performed
using FORM
SUBMITS.
> I'm fine with this but there are times when I'll want to
interact with the
> controller servlet via a hyperlink - or **via a SUBMIT
that looks and
> behaves like a hyperlink.**
>
> SUBMITs will always look like button clicks - the mouse
pointer doesn't
turn
> into a finger but remains as an arrow etc. There are ways
to make SUBMITs
> resemble hyperlinks using IE4 style tags but these don't
work for
netscape.
>
> Anyone encountered this sort of problem before? I'd prefer
to keep
> everything as a SUBMIT so that I'm always routing through
the servlet. I'd
> like to compromise and use a real hyperlink only when the
target page
> contains static content.
>
> Any ideas thoughts really welcome.
> Thanks,
> Ferghil O'Rourke
> USMoving.com - chief programmer
>
>
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