Re: [Quantlib-users] primer requested on exporting QuantLib to Java

[Tito I. <tit...@ya...>]

I've put a slightly more colorful version, with relevant links, up here: http://puppetmastertrading.com/blog/2008/06/14/using-quantlib-from-java/ 


--- On Thu, 6/12/08, Tito Ingargiola <tit...@ya...> wrote:

> From: Tito Ingargiola <tit...@ya...>
> Subject: Re: [Quantlib-users] primer requested on exporting QuantLib to Java
> To: po...@my..., qua...@li...
> Date: Thursday, June 12, 2008, 8:43 AM
> Hi,
> 
> Here are some quick notes on the steps you need to take in
> unix.  Windows also works, but I don't currently have a
> working windows quantlib env, so... 
> 
> I hope it's helpful.  Regards,
> 
>     Tito.
> 
> --
> 
> Using Quantlib from Java (on linux)
> 
> 1. Build Quantlib
>     - requires working version of boost
>     - ideally, this will just require:
> 
>     sh autogen.sh
>     ./configure
>     make
>     sudo make install    
> 
> 2. Build Quantlib-SWIG
>     - requires working version of swig
>     - ideally, this will just require:
> 
>     sh autogen.sh
>     ./configure --with-jdk-include=${JAVA_HOME}/include
> \
>           
> --with-jdk-system-include=${JAVA_HOME}/include/linux
>     make -C Java
>     sudo make -C Java install
> 
> 3. Now you'll have a file named
> /usr/local/lib/QuantLib.jar.  This needs to 
> be added to your classpath.  
> 
> 4. Programs which call QuantLib functionality will need to
> have the 
> LD_LIBRARY_PATH set.  This can be done by invoking the vm
> with something like: 
>     -Djava.library.path=/usr/local/lib.  
> 
> 5. Programs which call QuantLib functionality will also
> need to explicitly
> load the Quantlib libraries.  This can be done with
> something like the 
> following static block appearing before your main method:
>     
>     static {  // Load QuantLib
>         try { System.loadLibrary("QuantLibJNI");
> } 
>         catch (RuntimeException e) { e.printStackTrace(); }
>     }
> 
> 6. Test your configuration by running the examples in 
> Quantlib-SWIG/Java/examples.
> 
> It's worth understanding how Quantlib is being used
> from java.  SWIG is 
> creating a JNI interface into those methods within Quantlib
> which have 
> been exposed through their declaration in the swig *.i
> files.  These files
> are found in Quantlib-SWIG/SWIG and they determine what
> functionality from 
> Quantlib will be available to you.  You'll likely need
> to get familiar with a 
> subset of those files that you care about.  If you find
> that some functionality
> you care about isn't exposed in those files, you may
> need to expose it 
> yourself.  There's a learning curve, but it's worth
> traversing so you can get
> at all the rich functionality so many smart people have put
> together.
> 
> All of this can be done on windows and I had once done it
> with mingw, but the
> process was painful (for me, at least, as I'm not a
> windows guy).  That said, 
> I did manage to get it to work and it had all the
> functionality I enjoyed under 
> linux.  Good luck!
> 
> po...@my... wrote: Can anyone tell me how to import
> QuantLib libraries into my Java development environment? I
> can't seem to locate any guides on getting this done.
> 
> Thanks for any instructions or references to instructions
> on this.
> 
> G
> 
> 
> 
> 
> 
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