Nested tables and Map

[Heligon Sandra]

        Hi,

        I would like to add a 'nested table' in my Struts application.
        
        <<Year>>        <<Type>>        <<Song>>
                                        <<Author>>      <<Title>>

        1980            Pop              Titi            A
                                         Toto            B
        
        I should make hyper link on the 'Title' column. And when the user 
        select a 'song' I should retrun in the hyper link the name of the song
        and the 'year'. I know that display tag has limitations, 
        does somebody know if it is possible ?
                                
        I have a first Map 'Years' each object of this Map has a Map <Songs>.

        I know that display tag allows to do 'nested tables' but I don't find a 
complete example
        with struts-config.xml, action.java and JSP page.
        
        I think that this tag use only ArrayList or Vector, isn't it ?

        Is there an other tag that allows to do this with Map object ?

        Thanks a lot in advance.
        
         

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