code: public Integer getInteger(Class<?> aClass, String key, int defaultValue)
     {
  	   return getInteger(aClass.getName()+".key",defaultValue);
     }
docs: Get a Setting property as an Integer object.
  
  @param aClass calling class
  @param key the key name of the numeric property to be returned.
  @param defaultValue the default value
  @return Value of the property as an Integer or null if no property found.