Felix,
You could try to implement an object provider for Properties objects.
Then you could create your legacy object like this:
<construct class="LegacyCode">
<object>properties:MyProperties</object>
</construct>
--knut
On 4/25/06, Felix Sun <[EMAIL PROTECTED]> wrote:
> I have tried to simulate to situation, It seems like the only works in mode
> *primitive*, but It works, It may be useful to you.
> Is this seems like your Legacy code? and I add exec() method and the
> interface for test purpose.
>
> public class LegacyCode implements Executable{
> private Properties prop;
>
> public LegacyCode(Properties prop) {
> this.prop = prop;
> }
>
> public void exec() {
> System.out.println ("This is your properties: " + prop);
>
> }
> }
>
> write a MyProperties that extends Properties that can get pairs from
> configuration-point.
>
> public class MyProperties extends Properties{
> public void setValues(Map values){
> super.putAll(values);
> }
> }
>
> then the hivemind.xml
>
> <service-point id="LegacyService" interface="Executable">
> <invoke-factory>
> <construct class="LegacyCode">
> <object>service:MyProperties</object>
> </construct>
> </invoke-factory>
> </service-point>
>
> <service-point id="MyProperties" interface="java.util.Map">
> <invoke-factory model="primitive">
> <construct class="MyProperties">
> <set-configuration property="values"
> configuration-id="hivemind.ObjectProviders"/>
> </construct>
> </invoke-factory>
> </service-point>
>
> though the MyProperties service 's interface is java.util.Map, but I can be
> injected to LegacyService by constructor.
> because the service mode is *primitive* I think.
>
>
> - Felix Sun
>
>
> On 4/20/06, Eduardo Sherington <[EMAIL PROTECTED]> wrote:
> > Hi,
> >
> > I've just started using Hivemind inside of Tapestry 4.x and I have some
> nice
> > services defined. I am happy with simple configuration of those services
> > using constructor parameter injection and I am happy with services being
> > injected with references to other services.
> >
> > However, I'm really struggling with something that on the face of it is
> I'm
> > sure blindingly obvious to Hivemind veterans but for a newcomer to the
> > project it really isn't obvious at all...
> >
> > My problem is that I have a legacy class that I have no control over, but
> I
> > want to use this class as a service. That class has a single constructor
> > parameter of type java.util.Properties and this is the ONLY way to set the
> > configuration for that class.
> >
> > What I thought should be easy to do is to define in my hivemind xml
> > configuration file some key/attribute values that would get translated to
> a
> > Properties object and automatically injected for me.
> >
> > I just have no idea how to do this.
> >
> > I've been googling for hours, trying to parse the hivemind examples and
> test
> > cases and to be honest I'm a bit lost!
> >
> > I know that I could probably wrap that legacy object in one of my own,
> > configure my own class and pass the configuration on but I didn't want to
> > admit defeat just yet, and I don't really want to duplicate the entire API
> > of that legacy object on my own class.
> >
> > I'd appreciate any pointers or examples anyone could give.
> >
> > Thanks!
> >
> >
> >
> >
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