| Methods Summary |
|---|
| public java.beans.BeanDescriptor | getBeanDescriptor()
// create an instance of BeanDescriptor
BeanDescriptor bd = new BeanDescriptor(Temperature.class);
// set the display name
bd.setDisplayName("Temperature Source");
// return the descriptor
return bd;
|
| public java.beans.EventSetDescriptor[] | getEventSetDescriptors()
try
{
// the method names for the listener interface
String[] names = { "propertyChange" } ;
// create the event set descriptor
EventSetDescriptor ed = new EventSetDescriptor(Temperature.class,
"Property Change Event",
PropertyChangeListener.class,
names,
"addPropertyChangeListener",
"removePropertyChangeListener");
// create the descriptor array and return it
EventSetDescriptor[] eda = { ed } ;
return eda;
}
catch (IntrospectionException e)
{
return null;
}
|
| public java.beans.PropertyDescriptor[] | getPropertyDescriptors()
try
{
// get the Temperature class
Class c = Temperature.class;
// get the get method for the Temperature property
Method getter = c.getMethod("returnTemperature", null);
// create the parameters array for the set method of the
// Temperature property
Class[] params = { java.lang.Double.TYPE };
// get the set method
Method setter = c.getMethod("assignTemperature", params);
// create a property descriptor for the Temperature property
PropertyDescriptor pd = new PropertyDescriptor("Temperature",
getter, setter);
// the Temperature property is bound
pd.setBound(true);
// the Temperature property is not constrained
pd.setConstrained(false);
// create the property descriptor array and return it
PropertyDescriptor[] pda = { pd };
return pda;
}
catch (IntrospectionException e)
{
return null;
}
catch (NoSuchMethodException e)
{
return null;
}
catch (SecurityException e)
{
return null;
}
|
