If you would like to boost ADF UI performance, you should look into client side validation and formatting options possible to be done in ADF UI. Today I will describe how you can implement client side converter, to format number value on client side, without making request to the server. Same approach could be used to implement client side validators. You can raise error message and it will be assigned to UI field in the same way, just like any standard ADF error message. While this approach is documented long ago in Oracle ADF developer guide – How To Create Client Side Converter, it is not well known and not often used.
Client side converter is attached to ADF UI field through JSF tag, it points to custom converter ID (make sure autoSubmit=false is set, we don’t want request to the server on value change): Read the complete article here.
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