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For a similar complex project we implemented an interpreter in the business-layerer with formulas for "isValid" and "isVisible" for every form-element For the interpreter we used UML-s Object Constraint Language which was once designed for that purpose. Unfortunately nearly nobody speaks "uml-ocl" so finding somebody to maintain the rules is difficuilt. ...


So, lets think about how the current approach works. You've got a jsp that is invoked It creates a Main object. The Main object goes out and does some work and provides this information via its fields or method after control has returned. The jsp accesses these fields or methods and presents them to the end user. This has a number of issues with ...

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