Re: [xmlvm-users] Question about java.util.Hashtable.

[Shekar M. <sh...@fa...>]

Paul,

I don't really care about synchronization but I cannot really use 
HashMap since that is not supported in the Blackberry API. I have an 
Obj-C implementation of the Hashtable and Enumeration classes  but I am 
a bit confused about how the compatibility API is recognized and copied 
into the project. Even if I put these files in 
..../xmlvm/trunk/src/xmlvm2objc/compat-lib and run xmlvm to convert my 
java application to obj-c, these new files do not get copied over.

Is there any documentation on how to add files to the compatibility library?

I also have a problem with the generated Obj-C files -- if I follow the 
steps given in the documentation for xmlvm, I get compile errors  -- 
most of them are phase errors originating from the compiler not finding 
<MessageUI/Message.h> file. Perhaps this error is originating from the 
fact that I have an incompatible version of the iPhone SDK (2.2.1 -- 
simulator). It would help me immensely if I could find out which version 
of the iPhone SDK does xmlvm generate the code for.

In the meantime, I will try and test out my implementation of Hashtable 
and Enumeration and submit it for review.

Thanks,
Shekar

Paul Poley wrote:
> Sending this again to everyone on the distribution list.
>
> If you don't care about synchronization, you should just use HashMap, 
> which already has much of it implemented.  Note that in Java though, 
> HashMap is NOT synchronized & Hashtable is.  So if you have 
> implemented Hashtable, make sure you've taken synchronization into 
> account.
>
> If you do need synchronization & have implemented Hashtable, you can 
> submit it for review at:
> http://xmlvm-reviews.appspot.com/
>
> Thanks!
> Paul Poley
>
> On Wed, Jun 30, 2010 at 4:37 PM, Shekar Mantha <sh...@fa... 
> <mailto:sh...@fa...>> wrote:
>
>     Hi,
>
>     I am trying to convert a Blackberry application into Objective-C (for
>     the iPhone). I see that xmlvm converts many of the core java class
>     files
>     (e.g., java.util.Vector, etc.). But, I did not see a conversion of
>     java.util.Hashtable -- I see that many of the Java 2 collection
>     framework classes are supported. I implemented an Objective-C
>     version of
>     java.util.Hashtable and java.util.Enumeration -- how can I include
>     this
>     in the xmlvm framework so it will be generated automatically every
>     time
>     I run xmlvm?
>
>     Thanks for your reply.
>
>     Regards,
>     Shekar
>
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