Re: Parameter values

[Scott Klement <sk@xxxxxxxxxxxxxxxx>]

Sender: Scott Klement <sk@xxxxxxxxxxxxxxxx>


On Mon, 20 Dec 2004 nellestj@xxxxxxx wrote:
> How do I pass the value of variable when calling a webservice? Assume 
> OrderNo = '2077736'. If I change the code to 'OrderNumber=2077736', it 
> works fine, but when I change it to 'OrderNumber=' + OrderNo +, I can a 
> return code of 400, which says "Bad Request".  Can you help me? Thanks 
> in advance!! :)

As I've already explained, you have to make sure that the data in the URL 
is properly encoded.  You can use HTTPAPI's routines to do this, or you 
can do it yourself.

Certain characters cannot appear in a URL.  This includes spaces, control 
characters, etc.  Other characters have special meaning, such as the plus 
symbol, the & symbol, etc.

In the specific example that you posted, I'm willing to bet that the 
problem is spaces in the order number field.  You probably use a typical 
fixed-length RPG field, which will have extra spaces at the end of it. 
You can use the %trim() BIF to remove them.

However, I strongly recommend that you use an encoding routine to make 
sure tha parms don't ever contain illegal characters.

EXAMPLE14 demonstrates the URL encoding routines that come with HTTPAPI. 
In your case, it would be something like:

   Enc = http_url_encoder_new();
   http_url_encoder_addvar_s(Enc: 'OrderNumber': %trimr(OrderNo));
   http_url_encoder_addvar_s(End: 'SequenceNumber: '01');

and so on... check out EXAMPLE14 for a complete example.
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