Re: paramId in html-el:link tag - Referenceing a Constant

[Adam Levine]

If you want to use a Constants class to use within JSTL syntax, here are the 
basic rules:

1: Constants has to be a true Bean.
  -- it must have a public constructor that takes no parameters (public 
Constants())

2:  The "fields you want to access must also be true Bean fields:
  ie:
    private Static CONSTANT_KEY_1 = "a_constant_key"; // perhaps used by 
your code elsewhere
    public String getConstantKey() { return CONSTANT_KEY; }

3: In your .jsp:
   <jsp:useBean class="Constants" id="constants">
   <c:out value="${constants.constantKey}" />
hth.

--adam

From: Mike Duffy <[EMAIL PROTECTED]>
Reply-To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
To: Struts Users Mailing List <[EMAIL PROTECTED]>
Subject: paramId in html-el:link tag - Referenceing a Constant
Date: Sun, 20 Jul 2003 14:43:25 -0700 (PDT)
The "struts-example\registration.jsp" contains the following code:

<html:link page="/editSubscription.do?action=Create" paramId="username"
 paramName="registrationForm" paramProperty="username">
  <bean:message key="registration.addSubscription"/>
</html:link>
Switching this to an html-el:link tag is easy.

<html-el:link page="/editSubscription.do?action=Create" paramId="username"
 paramName="registrationForm" paramProperty="username">
  <fmt:message key="registration.addSubscription"/>
</html-el:link>
The value "username" is a key, so it might be better to reference a constant 
value:
"Constants.USER_NAME_KEY".  My question is, how do I do this (without using 
sriplets)?

If I don't use a quote after paramId=, I get an error when the page 
compiles.  No matter what I
put inside the quotes, it comes into the html as literal.

Any suggestions?

Mike

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