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Eclipse Platform
Release 3.0

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org.eclipse.ui.commands
Class ActionHandler

java.lang.Object
  org.eclipse.ui.commands.AbstractHandler
      org.eclipse.ui.commands.ActionHandler

All Implemented Interfaces:

IHandler

public final class ActionHandler

extends AbstractHandler

This class adapts instances of IAction to IHandler.

Since:

3.0

Constructor Summary

ActionHandler(IAction action)
Creates a new instance of this class given an instance of IAction.

Method Summary

void	dispose() Removes the property change listener from the action.
Object	execute(Map parameterValuesByName) Executes with the map of parameter values by name.
Map	getAttributeValuesByName() This simply return an empty map.

Methods inherited from class org.eclipse.ui.commands.AbstractHandler

addHandlerListener, fireHandlerChanged, removeHandlerListener

Methods inherited from class java.lang.Object

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

Constructor Detail

ActionHandler

public ActionHandler(IAction action)

Creates a new instance of this class given an instance of IAction.

Parameters:

action - the action. Must not be null.

Method Detail

dispose

public void dispose()

Removes the property change listener from the action.

Specified by:

dispose in interface IHandler

Overrides:

dispose in class AbstractHandler

See Also:

IHandler.dispose()

execute

public Object execute(Map parameterValuesByName)
               throws ExecutionException

Description copied from interface: IHandler

Executes with the map of parameter values by name.

Parameters:

parameterValuesByName - the map of parameter values by name. Reserved for future use, must be null.

Returns:

the result of the execution. Reserved for future use, must be null.

Throws:

ExecutionException - if an exception occurred during execution.

See Also:

IHandler.execute(Map)

getAttributeValuesByName

public Map getAttributeValuesByName()

Description copied from class: AbstractHandler

This simply return an empty map. The default implementation has no attributes.

Specified by:

getAttributeValuesByName in interface IHandler

Overrides:

getAttributeValuesByName in class AbstractHandler

See Also:

IHandler.getAttributeValuesByName()