Proxygen C#.net "List" class

[Frank Vhh]

Hi all,

We are using jni4net 0.8.3.0 to generate java proxies from C# classes.
These C# classes contains List objects. I was under the impression
that proxygen could handle these. In the generated files, however, all
List objects are converted to System.Object in stead of f.e.
java.util.List.

Is there any way to fix this?

Thanks a lot.

Regards,
Frank

[Pavel Šavara]

List is generic class on C# side.
Generics are not yet supported, it would take proxygen rework I'm
working on now.
If you could change the C# side, try to use nongeneric
System.Collections.IList instead

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[Frank Vanhoenshoven]

Yes, we can. :-)

Tx!

> Date: Fri, 8 Jul 2011 15:20:10 +0200
> Subject: Re: [jni4net] Proxygen C#.net "List" class
> From: pavel....@gmail.com
> To: jni...@googlegroups.com

[Frank Vanhoenshoven]

Hi all,

Does using system.colections.ILIst imply that we are bound to cast all our objects inside the IList to be able to use them on java-side?

f.e.
Person frank = (Person) personList.getItem(2);
String str = (String) stringList.getItem(2);
int value = (Integer) intList.getItem(2);

I am having problems casting from and to String, which forces me to use 2 intermediate classes, being system.Object and java.lang.Object. Is this correct or are there easier solutions?

Thanks a lot.

With kind regards,
Frank

Kind regards en nog vriendelijke groeten ook,

Frank Vanhoenshoven

Technical Consultant
AGServ
Kievermondeveld 87
2440 Geel, Belgium



frank.van...@agserv.eu
+32(0)484932129

[Pavel Šavara]

Yes, remember how was it in Java 1.4 and .NET 1.1 ?
You have the same thing with jni4net 0.8.x.
No generics (yet)

You could create or reuse specialized collections which are strongly
typed (hardcoded) for particullar type.
Something like System.Collections.Specialized.StringCollection on CLR
side. You have to generate Java proxy for that yourself.

Also make sure you understand that
java.lang.String and System.String are different beasts :)

Pavel

[Jose Machicado]

Pavel, is it possible to generate jar libs compatible with jre 1.4 environments? I've tried with jni4net 0.8.8.0 but it generates a jar that requires java 1.6.

Thanks

[Pavel Šavara]

I never tried.

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