[opencms-dev] Example for CmsJspTagContent* Classes?

[Wolfgang Winzer]

This is an easy one: Don't use them at all ;-)
These are internal classes used to implement the xmlcontent-tags like 
<cms:contentload>, <cms:contentshow>, etc.

The following applies to Taglibs in general and the opencms taglib is no 
exception:
When a jsp is compiled, it is searched for tags from the declared 
taglibs. The tag (<cms:contentload>) is then more or less replaced by a 
call to the doStart() method of the corresponding class 
(CmsJspTagContentLoad) as determined by the tld-file for the library. 
Previously to the call, the class is initialized with the parameters 
found in the tags attributes.

It gets more complicated when the tag allows a body or even does loops. 
Have a look at the myJsp_xyz.class the Jasper compiler generates in your 
tomcat workdir if you want to see how it works.

Greets
Wolfgang

Anatol wrote:

> Hi all!
>
> Has anybody an example how to use the CmsJspTagContent*-Classes like 
> CmsJspTagContentLoop, CmsJspTagContentInfo,  CmsJspTagContentLoad, 
> CmsJspTagContentShow or CmsJspTagContentCheck? I'm a bit confused 
> about some methods, and don't know, how to handle them ... So it would 
> be very nice, if someone could give me a hint.
>
> Greetings
> Anatol
>
>
>
>
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