Re: an enum question - how to convert enum type to a string?

From:
Eric Sosman <esosman@ieee-dot-org.invalid>
Newsgroups:
comp.lang.java.programmer
Date:
Fri, 26 Feb 2010 09:53:41 -0500
Message-ID:
<hm8n9p$cpg$1@news.eternal-september.org>
On 2/26/2010 9:06 AM, www wrote:

Eric Sosman wrote:

I'm not sure what you start with: From what, exactly, do you
want to derive the String? If you have a reference and you think
it points to an enum CarModel object, you could do something like

Object obj = ...; // might be FORD
String name = obj.getClass().getName();
name = name.substring(name.lastIndexOf('.') + 1);
if (name.contains("$"))
name = name.substring(name.lastIndexOf('$') + 1);


Thank you. It is hard for me to explain why I need what I am asking for.

I feel your method is a little inconvenient for the client code. I think
I will just do this:

enum CarModel
{
BMW, HONDA, FORD;

static String getEnumName(){ return "CarModel";}

}


     Okay, but the caller must write `CarModel.getEnumName()'
to call the method. That is, the caller already *knows* the
identifier `CarModel', and might have just said `"CarModel"'.
Oh, well -- this way you get an opportunity to internationalize,
so `CarModel.getEnumName()' might return "Automodell" in a
German-speaking locale.

--
Eric Sosman
esosman@ieee-dot-org.invalid

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