Martin Desruisseaux a écrit :
> Okay, I will do a factory. A basic one should be easy enough to make, but I
> don't know how useful it will be (because setters are provided only in
> implementation classes). I will try and we will see.
There is a simple proposal, but I don't know if it would fit your needs.
I'm assuming that creating a type-safe factory (like CRSFactory) would be
unpratical: too many classes (~100), too many attributes in those classes:
providing methods expecting all possible attributes in arguments would result
in
very long and fragile method signature (fragile because new attributes are
added
or removed at any new ISO specification).
The proposal is to provides this single method in some MetadataFactory class:
T create(Class<T> type, Map<String,?> attributes);
Where
- type is the interface (not the implementation class) to instantiate
(e.g. Citation.class, OnLineResources.class, etc.).
- attributes is a map of (attribute name, attribute value). Example
for Citation.class:
attributes.put("title", "there is my title");
attributes.put("edition", new Date(...));
// etc.
Would it be acceptable?
Martin
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