org.apache.tapestry.binding
Class ListenerMethodBinding

java.lang.Object
  org.apache.tapestry.binding.AbstractBinding
      org.apache.tapestry.binding.ListenerMethodBinding

All Implemented Interfaces:

org.apache.hivemind.Locatable, IActionListener, IBinding

public class ListenerMethodBinding
extends AbstractBinding
implements IActionListener

Since:

4.0

Author:

Howard M. Lewis Ship

Field Summary

Fields inherited from class org.apache.tapestry.binding.AbstractBinding

_description

Constructor Summary

ListenerMethodBinding(String description, ValueConverter valueConverter, org.apache.hivemind.Location location, IComponent component, String methodName)

Method Summary

void	actionTriggered(IComponent component, IRequestCycle cycle) Method invoked by the component (an DirectLink or Form, when its URL is triggered.
protected void	extendDescription(StringBuffer buffer) Does nothing, subclasses may override to add additional information.
Object	getComponent() Returns the component to which this binding is connected; this is currently only used when building certain exceptions.
String	getMethodName() The actual method name that this listener represents.
Object	getObject() Returns this binding object; the binding object delegates to the actual listener.

Methods inherited from class org.apache.tapestry.binding.AbstractBinding

createReadOnlyBindingException, getDescription, getLocation, getObject, getValueConverter, isInvariant, setObject, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ListenerMethodBinding

public ListenerMethodBinding(String description,
                             ValueConverter valueConverter,
                             org.apache.hivemind.Location location,
                             IComponent component,
                             String methodName)

Method Detail

getComponent

public Object getComponent()

Description copied from class: AbstractBinding

Returns the component to which this binding is connected; this is currently only used when building certain exceptions. This implementation returns null.

Overrides:

getComponent in class AbstractBinding

Returns:

The IComponent object this binding is set against.

getObject

public Object getObject()

Returns this binding object; the binding object delegates to the actual listener. This allows us to intercept errors and report the location of the binding.

Specified by:

getObject in interface IBinding

getMethodName

public String getMethodName()

Description copied from interface: IActionListener

The actual method name that this listener represents.

Specified by:

getMethodName in interface IActionListener

Returns:

The method name this listener is bound to.

actionTriggered

public void actionTriggered(IComponent component,
                            IRequestCycle cycle)

Description copied from interface: IActionListener

Method invoked by the component (an DirectLink or Form, when its URL is triggered.

Specified by:

actionTriggered in interface IActionListener

Parameters:

component - The component which was "triggered".

cycle - The request cycle in which the component was triggered.

extendDescription

protected void extendDescription(StringBuffer buffer)

Description copied from class: AbstractBinding

Does nothing, subclasses may override to add additional information.

Overrides:

extendDescription in class AbstractBinding