David H. DeWolf ha scritto:
3 DefinitionsManager - cache definitions, resolve dependencies, manage
localization.
It seems that it is ComponentDefinitions renamed. Or not?
The benefit of this is:
1) Allows us to support more than one factory - if we decide to down
the road that it would be beneficial. A use case for this may be a
system which provides defaults in the tiles-defs.xml and allows users
to create other definitions through the interface which are
subsequently stored in the database.
There was a similar feature in Struts-Tiles, called FactorySet, that
linked one DefinitionsFactory to a key and supporting multiple keys.
Dimensions for Struts-Tiles leverages this feature, while Dimensions for
Tiles 2 uses only DefinitionsFactory.
In particular, Dimensions uses a hierarchical default levels, e.g. if
you have a Sony WAP phone (this is not an advertisment), first it tries
to use definitions for your phone, if it does not find it, it tries with
WAP phone, then it tries to default to base definitions.
What I am trying to say is that default may be more complex than you may
think, one default may be not enough.
Ciao
Antonio
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