>>
>> Hi,
>>
>> I'm looking for a way to call Java objects from C++.
>> Is this possible using JNI?
>
>Yes, it is possible. There are two scenarios:
>1. you want to call methods of Java objects while you are in C++ code
>that is the native implementation of a method of another Java object. In
>this case, you have to pass the object you want to call methods upon as
>a parameter to the native method.
>2. you want to execute Java code while you are in unrelated C++ code.
>Then, you have to create an instance of the Java virtual machine to
>execute the code in. This is much like calling 'java classname' from the
>command line.
>For details look at the JNI documentation - it's difficult to summarize.
>
Thanks for the info. I would like to write a C++ container
program which hosts java server objects. Therefore the
second choice has to be considered. But having to create JVM in
C++ container may cause performance issue. Maybe I should rather
write the whole stuff in Java.
I will look at JNI spec.
Thanks,
Naoki
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