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Hello!

I shortly declare my opinion.
1) You can estabilish connection with C executable using TCP sockets.
    Define the utility protocol for data excange.
    After connection is estabilished, use OutputStream (or its wrappers) 
to send your data.
    I think better is to send chains of bytes.
2) You can use C-module (dll) for data exchange and call it from java by 
means of JNI.

GL
Michael.
Happy New Year!!! =3D:o)
  ----- Original Message -----
  From: Chan Ahn
  To: Professional Java
  Sent: Wednesday, December 26, 2001 3:34 AM
  Subject: [pro_java] How can Java talk to an executable written in C?


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  Hi,

  

  I need to build a front-end for a command-line-based executable 
written in C and do not know how to go about this.

  

  The executable takes an input file and some other options as parameter 
and produces a text file as an output. Basically, I need to find a way 
for Java-based front-end to pass the parameters, including the input 
file, to the executable and once the executable has done its work, I 
want the front-end to display the output file in whatever format is 
appropriate.

  

  I would like to make use of XML in the communication between the Java 
front-end and the C executable, if that is possible/necessary. I have an 
access to the source code of the executable, but would prefer to deal 
only with the executable, if that is possible.

  

  Is there anyone who can help me on this? Thank you very much in 
advance.

  

  If more information is required, I'm more than happy to supply 
anything I have. J

  

  Best regards,

  

  Chan

  

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