On Mon, 8 Jul 2002, Tero P Paananen wrote:
> Date: Mon, 8 Jul 2002 14:36:25 -0400
> From: Tero P Paananen <[EMAIL PROTECTED]>
> Reply-To: Struts Users Mailing List <[EMAIL PROTECTED]>
> To: Struts Users Mailing List <[EMAIL PROTECTED]>
> Subject: RE: XML based application resources?
>
> > Is there an extension or maybe some trick in Struts which
> > would allow me to have xml-based application resource files?
>
> Extend PropertyMessageResources.java (& the corresponding factory
> class) and implement your own loadLocale() method, then, in your
> struts-config.xml, point application and factory attributes to
> your classes.
>
> > <ApplicationResources>
> > <message key="color">
> > <value lang="en_US">Color</value>
> > <value lang="de">Farbe</value>
> > <value lang="hr">Boja</value>
> > </message>
> > <!-- etc... -->
> > </ApplicationResources>
>
> I don't think you can't parse something like that with the
> Digester class.
>
Actually, parsing this with Digester would be pretty easy. Consider that
you have a MyMessageBean class with the following method signatures:
public void setKey(String key);
public void addTranslation(String language, String value);
public String findTranslation(String key, String language);
on it. You could have digester rules something like this:
digester.push(...); // Object with an addMessage() method defined
digester.addObjectCreate("ApplicationResources/message",
"com.mycompany.MyMessageBean");
digester.addSetProperties("ApplicationResources/message");
digester.addSetNext("ApplicationResources/message",
"addMessage",
"com.mycompany.MyMessageBean");
digester.addCallMethod("ApplicationResources/message/value",
"addTranslation", 2);
digester.addCallParam("ApplicationResources/message/value",
0, "lang"); // Picks up "lang" attribute
digester.addCallParam("ApplicationResources/message/value",
1); // Picks up element body
digester.parse(...);
Thus, you'd end up with a HashMap or something of MyMessageBean instances,
keyed by the message key. This data structure could then be accessed by a
custom MessageResources implementation that used the specified Locale to
figure out which language you wanted.
> -TPP
>
Craig
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