Hi Jack,
You're dead right that it's not intended for that kind of use, it
actually terminates the execution of the template engine:
http://jakarta.apache.org/velocity/user-guide.html#Stop
The easy way to test if a 'parameter' is in the context is simply:
#if( $var )
or to test the opposite:
#if( ! $var )
If you wanted to include it in a macro similar to your original one,
something like the following might be appropriate:
#macro( test $var $varName )
#if( ! $var )
$varName is required!
#end
#end
- simon
On 1 Jun 2005, at 20:08, Jack Holt wrote:
Correct me if I am wrong, but it appears that #stop is not intended to
be used conditionally.
I saw this behavior when trying to write the following macro:
#macro(test $p $n)
#if($!p == "")
$n is required
#stop
#end
#end
#test($var "var")
I tried the above code in VeloGUI and noticed that velocity throws a
ParseErrorException with a message of Encountered "EOF" at line 4,
column 17
Am I right about this and (on a separate subject) is there a better
way to validate that a parameter was passed to a Velocity template
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