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Editorial Team
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Asked: 2026-05-13T05:30:00+00:00

I’m developing a RESTful API for a client. The problem is, he’s using a

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I’m developing a RESTful API for a client. The problem is, he’s using a rather obscure language called Clarion. It’s proprietary and closed, and the docs are not freely available online.

Whenever we discuss passing data from his code to mine, and back again, he starts talking about “ftp file uploads” and direct server-to-server SQL. Needless to say, these ideas bring back visions of the bad old days. I have done some googling, and I can’t find any evidence that this language is capable of creating HTTP Post requests at all, let alone using SSL encryption to protect them from prying eyes.

I’m looking for advice specific enough that I can guide him through implementing his end of the bargain. I specifically want to avoid trying to pass XML requests as files via FTP, or by writing them to the disk and calling some script. It should go without saying, but I’m also not interested in running proprietary clarion server code or DLLs on my server.

Is Clarion capable of generating POST requests? Is XML hard to generate in Clarion? Is there a simpler/easier to use format my client may have more sucess with? None of the data is more complex than key/value pairs.

I’m coding in python, but I can deserialize any reasonable data format if there’s some way to get the data to my server.

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1 Answer

  1. Editorial Team

    I feel your pain. Communicating between systems can be a major pain. Good news though is that Clarion can do TCP/IP, and XML (with a little help) so there’s nothing that should hold your Clarion colleague back.

    In the interests of full disclosure I should point out that I’m biased here – I’m about to recommend that the Clarion guy use tools I created – nevertheless there are thousands of Clarion programmers out there using them, and they provide the answer to your question, so please forgive me. Ignore if you like.

    In Clarion there are a couple of tools that make TCP/IP communications easy and that enable the use of SSL. The one I make is called NetTalk (http://www.capesoft.com/accessories/netsp.htm).

    There is also XML support inside the Clarion box, although it’s unnecessarily cumbersome so there are at least 2 xml products he can use – iqXML (which is free) and xFiles (http://www.capesoft.com/accessories/xfilessp.htm) which is designed to be super fast.

    Using NetTalk & xFiles together it’s trivial to create SOAP servers or clients. (Or plain HTTP servers and clients as you prefer.) There are a LOT of folk doing just this, so there’s absolutely no excuse for using shared files, or FTP’ing requests around. I recommend you gently point your Clarion friend in the right direction.

    If you’d like to run this question past other Clarion developers then try http://faq.clarionmag.com/ (which is using the StackOverflow engine.) There are also lots of programmers active on the NNTP protocol (news) at news.softvelocity.com (comp.lang.clarion and others).

    Cheers
    Bruce

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