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<H1><A NAME="SECTION035110000000000000000"></A>
<A NAME="9187"></A>
<BR>
Invoking Babel to generate Java bindings
</H1>
<P>
To create Java stubs (i.e. code to support Java clients to a set of SIDL
classes or interfaces), you should invoke Babel as follows <A NAME="tex2html42"
HREF="footnode.html#foot9225"><SUP><SPAN CLASS="arabic">11</SPAN>.<SPAN CLASS="arabic">1</SPAN></SUP></A>:
<P>
<BLOCKQUOTE>
<TT> <TT>%</TT> <TT><B>babel -client=Java file.sidl</B></TT>
<BR>
</TT></BLOCKQUOTE>or more cryptically
<BLOCKQUOTE>
<TT> <TT>%</TT> <TT><B>babel -cJava file.sidl</B></TT>
<BR>
</TT></BLOCKQUOTE>
<P>
This will create a great plethora of files, including a directory
named <TT>file</TT>. This directory contains the Java client classes, if
you want to take a look at them. The files
ending in <TT>_IOR.h</TT> and <TT>_IOR.c</TT> are the Intermediate Object
Representation. The files ending with <TT>_jniStub.c</TT> are the JNI stubs
-- the interface between a Java client and the IOR. The ``jni'' in
the filename represents the fact that we use the Java Native Interface
to communicate between Java and the IOR representation.
The remaining header files have external Java API that Java clients may use.
<P>
To use the Java stubs, you must compile the stub files whose file names
end with <TT>_jniStub.c</TT> and link them against the SIDL runtime
library and a backend implementation. The resulting library needs to
be referenced in a <TT>.scl</TT> file listed in the SIDL_DLL_PATH
environment variable so
that the Babel runtime library loader can find it. Also, the current directory needs to be in the
CLASSPATH environment variable so that Java can find the <TT>file</TT>
and <TT>sidl</TT> directories that contain the Java component of the client side.
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<br><br>babel-0.10.2<br>users_guide Last Modified 2005-03-23<br><br><a href="http://www.llnl.gov/CASC/components">http://www.llnl.gov/CASC/components</a><br><a href="mailto:components@llnl.gov">components@llnl.gov</a>
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