protected void encodeScriptDateStyleClasses(WidgetBuilder wb, DatePicker component) throws IOException {
        if (component.getModel() == null) {
            return;
        }
        JSONObject styleClasses = new JSONObject();
        for (Entry<LocalDate, DateMetadata> entry : component.getModel().getDateMetadata().entrySet()) {
            DateMetadata metadata = entry.getValue();
            if (metadata.getStyleClass() != null) {
                styleClasses.put(entry.getKey().toString(), metadata.getStyleClass());
            }
        }
        wb.nativeAttr("dateStyleClasses", styleClasses.toString());
    }
Initializes the default settings for the DatePicker component based on its pattern and value type.

@param context the FacesContext instance
@param datePicker the DatePicker component to initialize
primefaces/src/main/java/org/primefaces/component/datepicker/DatePickerRenderer.java