Re: [Quickfix-developers] How to add support for custom messages and custom signature to QuickFix?
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From: Reiner N. <rei...@ma...> - 2005-06-24 08:22:52
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Hi, > If you want to generate all the classes, you will need to run the > generation scripts in the 'spec' directory. Is there a file to register the used specs? Or do I need to run the generation scripts manually instead of just rebuild the whole stuff? > I don't believe there is a mehod for retrieving just the body fields. In > C++ this would be possible if you cast the Message to a FieldMap, but this > isn't an option in java. A getBody method would probably be a good > compliment to getHeader and getTrailer. What you can do however is iterate > through all the fields and call toString on them one by one. If you append > each of the fields to a StringBuffer you should be able to reconstruct the > body of the message. Is there a method to check wether a field is a header, trailor or body field? > Where you add the field is a function of what you know, when you know it, > and how generally applicable it is. In general, if you have a field that > you want to make sure gets appended to every outgoing message, you should > put it in the toApp method. If you have a field that is specific to one > type of message, it would make more sense to append it at the same place > you construct that message. Thanks. This sounds good. Many thanks for the hints Reiner Nix > --oren > > ----- Original Message ----- > From: "Reiner Nix" <rei...@ma...> > To: <qui...@li...> > Sent: Wednesday, June 22, 2005 7:58 AM > Subject: [Quickfix-developers] How to add support for custom messages and > custom signature to QuickFix? > > > QuickFIX Documentation: > > http://www.quickfixengine.org/quickfix/doc/html/index.html > > QuickFIX FAQ: http://www.quickfixengine.org/wikifix/index.php?QuickFixFAQ > > QuickFIX Support: http://www.quickfixengine.org/services.html > > > > Hi, > > > > I need to extend QuickFix to support custom messages. As a first step a > > new an > > additional data dictionary was created. Now QuickFix must be build again > > to > > generate the code according the additional data dictionary. > > What is the correct way to build QuickFix to support this data > > dictionary? > > > > > > I also need to add a custom defined tag containing a digital signature to > > a > > FIX message. To do this, I need to retrieve the body in FIX notation of a > > message where almost all fields are populated. After calculating the > > signature the message must be extended with the custom field containing > > the > > signature and then the message can be sent. > > > > My questions: > > How can I retrieve the message body in FIX notation? I do not need the > > header > > nor the trailer but only the body for the calculation. > > > > What is the best way to add the custom field? > > Using Java, I guess the methods Application.toApp or before calling > > Session.sendToTarget can be used. Is there a recommendation whether to > > use toApp or before calling sendToTarget. > > > > Cheers > > Reiner > > > > > > ------------------------------------------------------- > > SF.Net email is sponsored by: Discover Easy Linux Migration Strategies > > from IBM. Find simple to follow Roadmaps, straightforward articles, > > informative Webcasts and more! Get everything you need to get up to > > speed, fast. http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click > > _______________________________________________ > > Quickfix-developers mailing list > > Qui...@li... > > https://lists.sourceforge.net/lists/listinfo/quickfix-developers -- Reiner B. Nix IT-Architect rei...@ma... http://www.macd.com Tel.: +49 (0)241 44597-23 Macdonald Associates GmbH Fax : +49 (0)241 44597-10 Lothringer Str. 52, D-52070 Aachen |