How to obtain SPRuntime pointer?

Hi,
In Adobe Dialog Manager documentation there is such code snippet:
SPErr error = kSPNoError;
SPHostProcs *gHostProcs;
error = sSPRuntime->GetRuntimeHostProcs(&gHostProcs);
if (!error)
gHostProcs->startupNotify(kSetMessage,
(void*)"Initializing QuickDraw 3d", gHostProcs->hostData);
What is the way from plugin code to obtain that sSPRuntime pointer?

jschell, thanks for your suggestions.
And caching the second is definitely wrong. Arguments are passed as local references. The reference lifetime is only guaranteed for the lifetime of the method call.In my case, it just works, because my "callback" is only called before the "handleMessageQ" returns, which means it's within the lifetime of "jobject", etc.
Use GetEnv to get the environment.Could you please provide some sample codes?
Create a static java method which returns the object reference. In your callback call that method to get the reference that you want to work with. I didn't really understand. Could you please show me some sample codes?
Thanks a lot!

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jschell, thanks for your suggestions.
And caching the second is definitely wrong. Arguments are passed as local references. The reference lifetime is only guaranteed for the lifetime of the method call.In my case, it just works, because my "callback" is only called before the "handleMessageQ" returns, which means it's within the lifetime of "jobject", etc.
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Twitter: @santhosh_sivara - http://twitter.com/santhosh_sivara
This posting is provided AS IS with no warranties, and confers no rights.

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