Dynamic URL creation in Adapter Module

Question

I have a situation in which I need to create a dynamic URL to send data using an HTTP POST ( using  HTTPS).
I created an UDF to use Dynamic Configuration, this works fine for the UrlParam in the HTTP CC and the TServerLocation in the SOAP CC.
My issue is that both variables have the same limitation of 200 chars max, and sometimes the URL is longer than 200 chars (I have to pass more than 20 parameters in the URL). The message mapping with the UDF fails whenever I try to put more than 200 chars in the Dynamic Configuration Variables. Therefore I cannot use Dynamic Configuration.
I'm now thinking of creating an Adapter Module which creates an URL out of the XML message passed to the adapter, and use this value to overrule the URL defined in the Communication Channel. The URL field in the Communication Channel does not have a  200 chars limitation.
Does anybody know how to do this? Is it possible to replace the value of the URL field in the Communication Channel with another  value in an Adapter Module?
I have to pass the data as parameters in the URL, not as Header fields in the message.
Thanks,
Andre

Answer 1

Hello Chris,
The error is:
RuntimeException during appliction Java mapping com/sap/xi/tf/_mm_paymentClusterCreate_ Thrown: com.sap.aii.mappingtool.tf7.MessageMappingException: Runtime exception when processing target-field mapping /ns0:mt_newPaymentClusterData/merchant_name; root message: Exception:[java.lang.IllegalArgumentException: Value is too long (471/200):
It's even in the SAP Help:
http://help.sap.com/saphelp_nwpi711/helpdata/en/48/ce299c3a8e5430e10000000a42189b/frameset.htm
The length of the attribute value is defined by the XI message protocol. Values can be a maximum of 200 characters long. If, for example, you assign longer values in the mapping or adapter modules then this can lead to processing errors at runtime or the values are shortened to 200 characters. This shortening can also lead to a processing error. The processing error that occurs depends on the components that access the attributes.