One word, eh? ServletContextListener. Use a ServletContextListener to
load your properties files and pass the name to it via servlet context
parameter. There are ways to use Struts classes to initialize and
load the data, but I wouldn't recommend it when there are solutions
that are just as effective, but don't rely on Struts.

See also http://www.onjava.com/pub/a/onjava/2001/04/12/listeners.html
or google for ServletContextListener

BTW, this is the approach Spring, MyFaces, and I imagine many other
frameworks and applications use to load their data on startup.

Don

On 12/13/06, Sébastien LABEY <sebastien.labey@(protected):
> Thank you Don,
>
> In fact, I don't want to have the name of my properties file to be hard
> coded... So I thought about the "key initialization parameters" that allowed
> me to set the name of the file and the Java class to load it.
> Do you think it is a right way to do it, or maybe should I think about a
> Listener like in the MailReader app to load the database?
> In one word, what's the best way to do it?
>
> Thanks
>
> On 12/13/06, Don Brown <donald.brown@(protected):
> >
> > If you just need to load a few properties, you shouldn't have to touch
> > Struts at all. Just create a file, say,
> > WEB-INF/classes/db.properties, then load it in your Java code via:
> >
> > Properties props = new Properties();
> > props.load(this.getClass
> > ().getClassLoader().getResourceAsStream("/db.properties");
> >
> > and away you go...
> >
> > Don
> >
> > On 12/13/06, Sébastien LABEY <sebastien.labey@(protected):
> > > Hi all,
> > >
> > > I'd like to load a file containing the parameters to connect to DB at
> > the
> > > application startup. In the S2 documentation I read about the "key
> > > initialization parameters" (
> > http://struts.apache.org/2.x/docs/webxml.html)
> > > and so I add the 2 lines <init-param> to my web.xml like this :
> > > <filter>
> > >      <filter-name>action2</filter-name>
> > >      <filter-class>org.apache.struts2.dispatcher.FilterDispatcher
> > > </filter-class>
> > >      <init-param>
> > >           <param-name>config</param-name>
> > >           <param-value>appConfig.xml</param-value>
> > >      </init-param>
> > >      <init-param>
> > >           <param-name>configProviders</param-name>
> > >           <param-value>
> > > app.core.configuration.ApplicationConfigurationProvider</param-value>
> > >      </init-param>
> > > </filter>
> > >
> > > The appConfig.xml is the file where I have my configuration, it is
> > supposed
> > > to be at the root (/WEB-INF/), and the
> > > app.core.configuration.ApplicationConfigurationProvider is the class
> > > implementing ConfigurationProvider interface as said in the doc.
> > > In the init() method of the Provider, I just add "System.out.println
> > ("--Init
> > > plugin begin--");" but it never appears in the log, and I cannot see
> > > anything neither about the xml file nor the Provider.
> > >
> > > Maybe, I'm totally wrong and there is a better way to load the file
> > where I
> > > configure my DB connection?
> > >
> > > I'm a little confused, so any help would be appreciated.
> > >
> > > Thanks in advance.
> > >
> > > Sebastien
> > >
> > >
> >
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>

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