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From Christopher Schultz <ch...@christopherschultz.net>
Subject Re: How to programmatically add parameters to ServletRequest objects?
Date Wed, 06 Aug 2008 17:17:32 GMT
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Jonathan,

Jonathan Mast wrote:
| I can't figure out how to use the pageContext.forward() method like it's
| equivalent script element:

Do you mean that you want to add parameters to a forwarded URL without
using JSP?

| How do I pass the name-value pair "foo":"bar" using
pageContext.forward()? I
| thought there would be a method like forward(String path, Map params) but
| there isn't.

Right: you just forward to another URL.

| Nor is there a setParameter(name, value) method available on
ServletRequest
| or ServletResponse (both of which are passed onto the page pointed to in
| pageContext.forward().

Right. The request is supposed to be read-only (ignore attributes ;).

| I don't want to put the parameters in the url itself (ie
"page.jsp?foo=bar")
| this approach is not scalable.

This is really the only way to do it. The other option is to create a
new request object and stuff your own parameters into it (or, better
yet, wrap the original request and add your parameters only to the wrapper).

Why do you believe that adding parameters to the URL is not scalable?

- -chris
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