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8.0

SOAP - subclasses in WSDL

Asked by darrello in Delphi Programming

Tags: delphi, soap, wsdl

I have a problem using the .PAS files that I generated by importing several WSDL Files.  The issue is that I have one main WSDL (http://components.groove.net/Groove/Components/GWS/2_5/wsdl/GrooveEvents.wsdl )that is returning a very simple SOAP response.  The <EventData> element contains different data below it (xml sequence) depening on what the type attribute is - here is where the problem is.  

For example, the event that I am tracking is a File event, and it returns an <EventData type="xsi:type="e:FileAddEventData"><FileDescriptor>...</FileDescriptor></EventData> element.  The binding that is created from the WSDL file for the event (listed above) simply creates an EventData.type (Widestring) attribute - that's it.  I need to get the actual data out of the event and I really don't want to manually parse the XML, I would like to learn how to properly register the data types using Delphi - stubborn, but more effective in the long-term.

So far I have taken the class created for the event data "EventData", and I have subclassed to create an data structure that adds the .FileDesc: FileDescriptor as a property - but I have no idea how to register this interface, nor where to do it.  My gut says that I will have to register it in the GrooveEvents.pas (file created on import of the GrooveEvents.wsdl).  My guesses are it has something to do with the RemClassRegistry.RegisterXSClass function - but don't let me misguide you!

The Files WSDL can be found at (http://components.groove.net/Groove/Components/GWS/2_5/wsdl/GrooveFilesBase64.wsdl).  It contains the class that handles the <FileDescriptor>.


NOTE:  I have validated that the SOAP response does contain the info I am looking for (i.e. the XML is there - the sub-element for FileDescriptor is just being ignored.)

Here is a .Net example of the problem and a solution, obviously in a MS environment (both C# and VB.Net are shown):
http://www.groove.net/support/forums/messageview.cfm?catid=15&threadid=7682

Any guidance (or code!) is greatly appreciated.
[+][-]02/19/05 12:39 AM, ID: 13352462Accepted Solution

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Zone: Delphi Programming
Tags: delphi, soap, wsdl
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Solution Provided By: modulo
Participating Experts: 2
Solution Grade: A
 
[+][-]07/18/04 05:30 PM, ID: 11579949Author Comment

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