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From Simone Tripodi <simonetrip...@apache.org>
Subject Re: [chain][v2] clever context
Date Sun, 04 Sep 2011 16:23:19 GMT
Hi Matt!
indeed, that's thanks to you that the Digester3 has this feature!!! :)
Thanks for the feedback!
Simo

http://people.apache.org/~simonetripodi/
http://www.99soft.org/



On Sun, Sep 4, 2011 at 6:13 PM, Matt Benson <gudnabrsam@gmail.com> wrote:
> Obviously I've suggested this "auto-cast" or
> whatever-you'd-like-to-call-it trick elsewhere, and am in favor of its
> use.
>
> Matt
>
> On Sun, Sep 4, 2011 at 7:39 AM, James Carman <james@carmanconsulting.com> wrote:
>> Yeah, I tried that sort of setup with the ArrayUtils.toMap() method
>> and it was shot down
>> (http://apache-commons.680414.n4.nabble.com/Re-svn-commit-r983137-commons-proper-lang-trunk-src-main-java-org-apache-commons-lang3-ArrayUtils-jaa-td2317854.html).
>>  Good luck with that.  It wasn't worth my time to continue to argue
>> about it anymore, so I reverted it.
>>
>> On Sun, Sep 4, 2011 at 5:22 AM, Simone Tripodi <simonetripodi@apache.org> wrote:
>>> Hi all guys,
>>> I think that generics could help us on improving the Context class;
>>> I'm not particularly happy having it extending Map - it is needed
>>> anyway for backward compatibility - but it is clear that Context is a
>>> place where storing/retrieving objects identified by a key.
>>> I propose adding two helper methods
>>>
>>>    /** @since 2.0 */
>>>    <T> T retrieve( String key );
>>>
>>>    /** @since 2.0 */
>>>    <T> void store( String key, T object );
>>>
>>> that would help users avoid the redundant code of type cast/checking
>>> when assignments are already known (it throws a ClassCastException if
>>> types are not assignable).
>>> At the same time, old pattern is supported, users can choose their
>>> preferred way to go, depending on their needs.
>>> WDYT?
>>> Many thanks in advance, all the best!
>>> Simo
>>>
>>> http://people.apache.org/~simonetripodi/
>>> http://www.99soft.org/
>>>
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>>>
>>
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>>
>
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