Module support class. There is one instance per servlet
context, which may be retreived via the getInstance()
methods.
An application consists of several modules, each represented
by a context.
The application's module support instance is used to lookup module
contexts by name and request.
See Also:de.odysseus.calyxo.base.ModuleContext See Also:de.odysseus.calyxo.base.ModuleGroup author: Christoph Beck