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FieldBoundPropertyListener (JBoss/Common API) - JBoss 3.2.7 common API Documentation 英文版文档

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org.jboss.util.property
Class FieldBoundPropertyListener

java.lang.Object
  org.jboss.util.property.PropertyAdapter
      org.jboss.util.property.BoundPropertyAdapter
          org.jboss.util.property.FieldBoundPropertyListener

All Implemented Interfaces:

BoundPropertyListener, EventListener, PropertyListener

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public class FieldBoundPropertyListener

extends BoundPropertyAdapter

Binds property values to class fields.

Version:

$Revision: 1.1 $

Author:

Jason Dillon

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Field Summary
protected  FieldInstance	fieldInstance           Field instance
protected  String	propertyName           Property name which we are bound to

 

Constructor Summary

FieldBoundPropertyListener(Object instance, String fieldName)           Constructs a FieldBoundPropertyListener.

FieldBoundPropertyListener(Object instance, String fieldName, String propertyName)           Constructs a FieldBoundPropertyListener.

 

Method Summary
String	filterValue(String value)           Filter the property value prior to coercing and binding to field.
String	getPropertyName()           Get the property name which this listener is bound to.
void	propertyAdded(PropertyEvent event)           Notifies that a property has been added.
void	propertyBound(PropertyMap map)           Notifies that this listener was bound to a property.
void	propertyChanged(PropertyEvent event)           Notifies that a property has changed
protected  void	setFieldValue(String value)           Coerce and set specified value to field.

 

Methods inherited from class org.jboss.util.property.BoundPropertyAdapter

propertyUnbound

 

Methods inherited from class org.jboss.util.property.PropertyAdapter

propertyRemoved

 

Methods inherited from class java.lang.Object

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

 

Methods inherited from interface org.jboss.util.property.PropertyListener

propertyRemoved

 

Field Detail

propertyName

protected final String propertyName

Property name which we are bound to

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fieldInstance

protected final FieldInstance fieldInstance

Field instance

Constructor Detail

FieldBoundPropertyListener

public FieldBoundPropertyListener(Object instance,
                                  String fieldName,
                                  String propertyName)

Constructs a FieldBoundPropertyListener.

Parameters:

instance - Instance object.

fieldName - Field name.

propertyName - Property to bind to.

Throws:

NullArgumentException - Property name is null.

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FieldBoundPropertyListener

public FieldBoundPropertyListener(Object instance,
                                  String fieldName)

Constructs a FieldBoundPropertyListener.

Field name is used for property name.

Parameters:

instance - Instance object.

fieldName - Field name.

Method Detail

getPropertyName

public final String getPropertyName()

Get the property name which this listener is bound to.

Returns:

Property name.

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filterValue

public String filterValue(String value)

Filter the property value prior to coercing and binding to field.

Allows instance to filter values prior to object coercion and field binding.

Parameters:

value - Property value.

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setFieldValue

protected void setFieldValue(String value)

Coerce and set specified value to field.

Parameters:

value - Field value.

Throws:

PropertyException - Failed to set field value.

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propertyAdded

public void propertyAdded(PropertyEvent event)

Notifies that a property has been added.

Specified by:

propertyAdded in interface PropertyListener

Overrides:

propertyAdded in class PropertyAdapter

Parameters:

event - Property event.

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propertyChanged

public void propertyChanged(PropertyEvent event)

Notifies that a property has changed

Specified by:

propertyChanged in interface PropertyListener

Overrides:

propertyChanged in class PropertyAdapter

Parameters:

event - Property event

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propertyBound

public void propertyBound(PropertyMap map)

Notifies that this listener was bound to a property.

Specified by:

propertyBound in interface BoundPropertyListener

Overrides:

propertyBound in class BoundPropertyAdapter

Parameters:

map - PropertyMap which contains property bound to.

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