Dynamically changing the name of a webservice to be called

**Patricks** · October 1st, 2018, 07:04 AM

Hi,
Does anyone know how to make a webservice to be called dynamic, meaning I have an application which needs to validate the content of a field. The validation which needs to be done however, depends on the name of the field. So I have a database which contains fieldnames and the related webservice like:
- field A , service CheckA
- field B , service CheckB

The code I would like to have is one single line which calls the validation service depending on the fieldname.

Eg. call validation

where validation would be CheckA if I'm processing field A and CheckB if I'm processing field B. So the name of the webservice to be called is set during the execution of the program.

Thanks

**jim829** · October 1st, 2018, 08:55 AM

I presume you want something like this:

validate(field);

And the validate method would validate the field depending on its type.

The problem lies in that unless the fields are different types, I don't think you can do it. Consider two String fields. One is a date and the other a name. The validation code would be different for each.

If the validation is simply for different types of primitives and objects you could do this.

String type = ((Object)primitive).getClass().getSimpleType();

You can then use that type value to call the appropriate validator. There are many ways to set this up.

Regards,
Jim

**meenal** · October 11th, 2018, 05:14 AM

If you are truly dynamically setting this, you should set the .Url field of instance of the proxy class you are calling.

Setting the value in the .config file from within your program:

Is a mess;

Might not be read until the next application start.

If it is only something that needs to be done once per installation, I'd agree with the other posters and use the .config file and the dynamic setting.

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