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Overriding the ParseMessage Method |
There are many times that it's helpful to override the ParseMessage method in an application. Some good reasons are:
- Logging each incoming message before parsing it.
- Error handling, exceptions can be caught in a central place for uniform handling.
The following code fragment shows an example of how you might go about overriding the ParseMessage method in an application engine object:
public override void ParseMessage(string flatwire, Transport aTransport)
{
try
{
// Additional logging could be performed here.
Println("Parsing message...");
Println(flatwire);
base.ParseMessage(flatwire, aTransport);
}
catch (Exception ex)
{
Println("Error: " + ex.ToString());
try
{
MakeReturnACK(aTransport, "UNKNOWN");
}
catch (Exception aException)
{
Println("Couldn't make NACK message." + aException.ToString());
}
}
}
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