de.intarsys.tools.functor
Class FunctorFieldHandler

java.lang.Object
  de.intarsys.tools.functor.FunctorFieldHandler

All Implemented Interfaces:

IAttributeSupport, INotificationSupport, IFieldHandler

public class FunctorFieldHandler
extends Object
implements IFieldHandler, INotificationSupport, IAttributeSupport

Constructor Summary

FunctorFieldHandler()

FunctorFieldHandler(String name, IFunctor getter, IFunctor setter)

Method Summary

void	addNotificationListener(EventType type, INotificationListener listener) Add listener to the collection of objects to be informed when the receiver triggers an event of type name.
Object	getAttribute(Object key) Get an attribute value from the context
IFunctor	getGetter()
String	getName()
IFunctor	getSetter()
Object	getValue(Object object) Make a reflective read access to the field represented by this within the receiver.
Object	removeAttribute(Object key) Remove an attribute binding in the context
void	removeNotificationListener(EventType type, INotificationListener listener) Remove listener from the collection of objects to be informed about events of type name.
Object	setAttribute(Object key, Object value) Set the value of an attribute in the context
void	setGetter(IFunctor getter)
void	setName(String name)
void	setSetter(IFunctor setter)
Object	setValue(Object object, Object value) Make a reflective write access to the field represented by this within receiver.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FunctorFieldHandler

public FunctorFieldHandler()

FunctorFieldHandler

public FunctorFieldHandler(String name,
                           IFunctor getter,
                           IFunctor setter)

Method Detail

addNotificationListener

public void addNotificationListener(EventType type,
                                    INotificationListener listener)

Description copied from interface: INotificationSupport

Add listener to the collection of objects to be informed when the receiver triggers an event of type name.

Specified by:

addNotificationListener in interface INotificationSupport

Parameters:

type - The event type we are interested in.

listener - The object to be informed about an event occurrence

getAttribute

public Object getAttribute(Object key)

Description copied from interface: IAttributeSupport

Get an attribute value from the context

Specified by:

getAttribute in interface IAttributeSupport

Parameters:

key - the name of the attribute to get

Returns:

The value of the attribute key

getGetter

public IFunctor getGetter()

getName

public String getName()

getSetter

public IFunctor getSetter()

getValue

public Object getValue(Object object)
                throws FieldAccessException

Description copied from interface: IFieldHandler

Make a reflective read access to the field represented by this within the receiver.

Specified by:

getValue in interface IFieldHandler

Parameters:

object - The object hosting the field.

Returns:

The field value

Throws:

FieldAccessException

removeAttribute

public Object removeAttribute(Object key)

Description copied from interface: IAttributeSupport

Remove an attribute binding in the context

Specified by:

removeAttribute in interface IAttributeSupport

Parameters:

key - the name of the attribute to remove

Returns:

The previously associated value for key

removeNotificationListener

public void removeNotificationListener(EventType type,
                                       INotificationListener listener)

Description copied from interface: INotificationSupport

Remove listener from the collection of objects to be informed about events of type name.

Specified by:

removeNotificationListener in interface INotificationSupport

Parameters:

type - The event type we are no longer interested in.

listener - The object registered for the event till now.

setAttribute

public Object setAttribute(Object key,
                           Object value)

Description copied from interface: IAttributeSupport

Set the value of an attribute in the context

Specified by:

setAttribute in interface IAttributeSupport

Parameters:

key - the name of the attribute to set

value - the new value the attribute

Returns:

The previously associated value for key

setGetter

public void setGetter(IFunctor getter)

setName

public void setName(String name)

setSetter

public void setSetter(IFunctor setter)

setValue

public Object setValue(Object object,
                       Object value)
                throws FieldAccessException

Description copied from interface: IFieldHandler

Make a reflective write access to the field represented by this within receiver.

Specified by:

setValue in interface IFieldHandler

Parameters:

object - The object hosting the field.

value - The new value for the field

Returns:

The previous field value. This is an optional feature.

Throws:

FieldAccessException