You could probably use JSTL's <c:forEach> to traverse the tree and
print out the contents. Regular ol' HTML tags should help you indent
it where you need to.
Matt
On 1/23/07, Jonathan Tse <[EMAIL PROTECTED]> wrote:
Hi all,
I am implementing a multi-level hierarchy (You can imagine it
category , sub category and sub sub category). I want to output the
structure with indentation but still cannot find a good solution. Let's
ignore how the DAO retrieve the data first(another complication here).
Suppose I got an category POJO like this:
Class Category
private int categoryId ;
private List subCategoryList;
Each object inside subCategoryList is a Category object (Assume the
whole tree is retrieved for the sake of simplicity). Therefore, it means
that I need to read it recursively in the JSP if I just pass the root
node to the View. I couldn't find any tag library on the net that could
traverse the whole tree. Any idea? Should I write a custom tag? Or just
flatten the structure before output to View?
Best regards,
Jonathan Tse
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