Once again, please ask questions about Struts on the Struts mailing
lists, rather than here.
--
Martin Cooper
On 7/23/05, Luca Passani <[EMAIL PROTECTED]> wrote:
>
> Hello, I would love to hear about some taglib theory here.
>
> My understanding is that, when creating a new tag, I can inherit from
> either TagSupport or BodyTagSupport
> depending on whether I need to manipulate the tag content or not.
> For this reason, most of my tags (WALL library) inherit from TagSupport
> with the exception of one (which inherits from BodyTag).
> Looking at the code for the Struts html tag-lib, I see that most tag
> inherit from BaseHandlerTag (which looks
> totally reasonable to me), which, in turn, inherits from BodyTagSupport,
> even for tags that have no particular reason to do so,.
>
> in fact, in moost cases, doAfterBody() ends up doing domething as simple as,
>
> if (bodyContent != null) {
> String value = bodyContent.getString().trim();
> if (value.length() > 0) {
> text = value;
> }
> }
>
> i..e, just comsmetic for the returned source markup.
>
> My question is, in general, what is the rationale for inheriting from
> BodyTagSupport everywhere?
> what is the performance hit when inheriting from BodyTagSupport as
> compared to TagSupport?
>
> Thank you
>
> Luca
>
>
>
>
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