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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 24191] New: - OptionBuilder only has static methods, yet many return an OptionBuilder instance
Date Tue, 28 Oct 2003 21:15:57 GMT
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=24191

OptionBuilder only has static methods, yet many return an OptionBuilder instance

           Summary: OptionBuilder only has static methods, yet many return
                    an OptionBuilder instance
           Product: Commons
           Version: unspecified
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Enhancement
          Priority: Other
         Component: CLI
        AssignedTo: commons-dev@jakarta.apache.org
        ReportedBy: lance@teaminabox.co.uk


First of all, I think CLI is great.

However, the OptionBuilder really gets my goat. All of the methods are static,
yet all, except the create() methods, return an OptionBuilder instance.
Presumably this is to allow us to chain calls to the builder, but by chaining
calls, we are calling static methods through an instance, which is generally
considered bad form.

Also, it doesn't really qualify as an instance of the Builder Pattern in its
current form since it does not meet the intent: 'Separate the construction of a
complex object from its representation so that the same construction process can
create different representations' (this is because of the static methods).

Why not make the methods non-static and get the client to create an instance of
the builder before proceeding? In it's current form, it seems a bit schizophrenic.

Regards,

Lance

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