The spec does sound like you can use the standard types... But...
Has anyone got a tag with an attribute other than a String to work??
I tried with an int and couldn't get it to work
<tlt:twa attr1='response.getParameter("num")' type="int" />
with the TagHandler containing
public void setAttr1(int );
I kept seeing an error something like:
Attribute type does not match type defined in tld.
I am using Apache and Tomcat 3.1
Thanks in advance,
Chandan.
-----Original Message-----
From: Hans Bergsten <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: Tuesday, September 26, 2000 11:33 PM
Subject: Re: taglib attribute question
>Jill Foley wrote:
>>
>> I'm reading about tag libs and I have a question about
>> attributes.
>>
>> I read "The attribute value is supplied to the method as a
>> String". But then I saw an example of a tag handler for the tag
>>
>> <tlt:twa attr1="value1">
>>
>> that had:
>>
>> private AttributeClass attr1;
>> setAttr1(AttributeClass ac) {...}
>>
>> So my question is: can an attribute be any java object? Can I do
>> this?:
>>
>> <mylib:presonHeader param="<%= personBean.getPerson() %>" />
>>
>> and have a setParam(Person person) in my tag handler?
>
>None of the answers I've seen so far is 100% right, so let me try to
>clarify what the spec says you can and can not do.
>
>If you use a literal string as the attribute value, such as
>
> <tlt:twa attr1="value1" />
>
>the JSP container looks at the type of the corresponding property in the
>tag handler class to see if the value needs to be converted. If the
>property is of type boolean, Boolean, byte, Byte, char, Character, double,
>Double, int, Integer, float, Float, long or Long, it will try to convert
>the string value to the correct type for the property. If the property
>is a String, the value is of course used as is. If it's something else,
>you get a translation-time error.
>
>If you need to use an attribute that is not one of the types listed above,
>you need to use a request-time attribute value, such as
>
> <tlt:twa attr1="<%= personBean.getPerson() %>" />
>
>When you use a request-time attribute value, the JSP container does not
>attempt to do any type conversion. In other words, the type of the
>expression must match the type of the corresponding tag handler property.
>
>Hans
>--
>Hans Bergsten [EMAIL PROTECTED]
>Gefion Software http://www.gefionsoftware.com
>
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