import javax.faces.convert.IntegerConverter; //导入依赖的package包/类
public JsfNumberInput(String id) {
	super(id, new JsfNumberInputModel());
	model.setConverter(new IntegerConverter());
}
 

import javax.faces.convert.IntegerConverter; //导入依赖的package包/类
protected void setupConverter(FacesContext context, 
      UIPropertySheet propertySheet, PropertySheetItem property, 
      PropertyDefinition propertyDef, UIComponent component)
{
   // do default processing
   super.setupConverter(context, propertySheet, property, propertyDef, component);
   
   // if there isn't a converter and the property has a list of values constraint
   // on a number property we need to add the appropriate one.
   if (propertySheet.inEditMode() && propertyDef != null && 
       component instanceof UIOutput)
   {
      Converter converter = ((UIOutput)component).getConverter();
      if (converter == null)
      {
         ListOfValuesConstraint constraint = getListOfValuesConstraint(context, 
                  propertySheet, property);
         if (constraint != null)
         {
            String converterId = null;
            
            if (propertyDef.getDataType().getName().equals(DataTypeDefinition.INT))
            {
               converterId = IntegerConverter.CONVERTER_ID;
            }
            else if (propertyDef.getDataType().getName().equals(DataTypeDefinition.LONG))
            {
               converterId = LongConverter.CONVERTER_ID;
            }
            else if (propertyDef.getDataType().getName().equals(DataTypeDefinition.DOUBLE))
            {
               // NOTE: the constant for the double converter is wrong in MyFaces!!
               converterId = "javax.faces.Double";
            }
            else if (propertyDef.getDataType().getName().equals(DataTypeDefinition.FLOAT))
            {
               converterId = FloatConverter.CONVERTER_ID;
            }
            
            if (converterId != null)
            {
               createAndSetConverter(context, converterId, component);
            }
         }
      }
   }
}
 

import javax.faces.convert.IntegerConverter; //导入依赖的package包/类
public UIAutoComplete() {
    setRendererType(null);
    setConverter(new IntegerConverter());
}