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CIS 365

CIS 365. Vandana Janeja Nov 27 th 2001 Connecting Cobol programs to Other Languages-Visual Basic, Java,HTML. No Main option. Make a DLL instead of an EXE. Java Calling a Cobol program Simplest method:. Create a COBOL program Generate its Executable

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CIS 365

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  1. CIS 365 Vandana Janeja Nov 27th 2001 Connecting Cobol programs to Other Languages-Visual Basic, Java,HTML

  2. No Main option

  3. Make a DLL instead of an EXE

  4. Java Calling a Cobol programSimplest method: • Create a COBOL program • Generate its Executable • Write a Java program with a runtime exec object which calls the COBOL exe file.

  5. Client Server Architecture and COBOL Web Server hosting the Servlet Server Response Object Client Browser Client Request Object Session Object A general HTTP scenario

  6. Three tiered / N- tiered architecture Database Mail Server …… Other Services Application Server Client HTML XHTML Applet Applications Web container Servlets Application Container

  7. HTML forms <form name=form1 mehtod=post action=“myCOB.cgi”> <input type= text name= t1 > <input type=text name=t2> <input type=submit> </form>

  8. HTML form HTML form COBOL CGI program Servlet program Database / Mainframe Database

  9. Client HTML form Web Server Servlet program COBOL CGI program Database

  10. Ref : http://www.ils-international.com/goldmine/webcobol.htm

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