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From Emmanuel Bourg <>
Subject Re: [lang] text.Interpolation, on to 2.2
Date Tue, 28 Jun 2005 16:38:54 GMT
Gary Gregory wrote:

> - For [config]: Provide an Interpolation feature that it can build on.
> The [config] project, please correct me if I am off, must have a way to
> plug-in how to look stuff up, hence the nice and simple VariableResolver
> interface, which could be surfaced as:
> String s = XXX.resolveAll(source, ..., aVariableResolver);
> There is also a [config] need for multiple VariableResolvers it seems,
> which means that the API can take a Map of VariableResolver or that the
> client simply calls the API until all resolve calls worked. But how do
> you determine that an API call resolved everything? If one cannot
> (Oliver?), then we have to provide a resolveInAll(String, Map) (or other
> name)?

And what about some kind of chained VariableResolver ? A resolver that 
will check several resolvers or use a specific resolver depending on the 
key ? Thus there is no need to have several resolveAll methods and the 
actual strategy is delegated to the resolver.

Emmanuel Bourg

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