Re: Struts RequestAware and FreeMarker

From:
 Q1tum <kuukelekuu@gmail.com>
Newsgroups:
comp.lang.java.programmer
Date:
Fri, 22 Jun 2007 08:17:33 -0000
Message-ID:
<1182500253.601066.167780@p77g2000hsh.googlegroups.com>
On Jun 21, 4:34 pm, Q1tum <kuukele...@gmail.com> wrote:

Hi all,

I started learning JSP / Java. At the moment I have a problem and
could not find the solution on the internet, I hope someone can reply
to my post with a sollution:

My problem is that I'm not able to get Post or Get variables within a
Freemarker template file.

I'm extending a Class that is SessionAware and RequestAware:

public class TutorialSupport extends ActionSupport
        implements RequestAware, SessionAware {

        private Map Session = null;
        private Map Request = null;

        public Map getSession() {
                return Session;
        }

        public void setSession(Map Session) {
                this.Session = Session;
        }

        public Map getRequest() {
                return Request;
        }

        public void setRequest(Map request) {
                this.Request = request;
        }

}

public class MessageAction extends TutorialSupport {
....
....

}

In the template file I use the following to access the Session Map:

${Session.login.getLogin()}

This works fine and displays my login name.

But when I want to try the same with ${Request.id}

The URL I used was messages.action?id=1, so I thought that $
{Request.id} would display 1. but I get an Exception:

Expression Request.id is undefined on line 12, column 3 in ftl/
messages.ftl.

When I display ${Request} in the template I get this Exception:

Error on line 12, column 3 in ftl/messages.ftl
Expecting a string, date or number here, Expression Request is instead
a freemarker.ext.servlet.HttpRequestHashModel

I hope my issue is explained good and someone can give me the solution
about how to display POST and GET variables in a FreeMarker Template.

Regards,

Q1tum


I found another solution to get all GET parameters within a FreeMarker
template, the solution is shown below:

Assuming that URL example.action?id=1 is used you are able to get '1'
with the following tag: ${parameters.get('id')[0]}

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