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/*******************************************************************************
* Copyright (c) 2001, 2008 Oracle Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Oracle Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.jsf.common.internal.resource;
import java.util.EventObject;
import org.eclipse.core.resources.IResource;
/**
* @author cbateman
*
*/
public class ResourceLifecycleEvent extends EventObject
{
/**
*
*/
private static final long serialVersionUID = -8692801944833729L;
/**
* the type of lifecycle event this enum is not closed and may add new
* fields in the future
*/
public enum EventType
{
/**
* Indicates that the resource is no longer accessible (as testable with
* IResource.isAccessible). The reasonType will indicate why.
*/
RESOURCE_INACCESSIBLE,
/**
* Indicates that the resource being tracked has changed in some way,
* use ReasonType to determine specifics
*/
RESOURCE_CHANGED,
/**
* Indicates that the resource being tracked hass been added. Use
* ReasonType to determine specifics.
*/
RESOURCE_ADDED;
}
/**
* encodes the cause of the event if the event type provides one this enum
* is not closed and may add new fields in the future
*/
public enum ReasonType
{
/**
* The resource was deleted from the workspace, this event is pre change
* if the event is project and post change otherwise
*/
RESOURCE_DELETED,
/**
* The resource was delete from it's container. This fired when the
* PARENT of the resource being deleted is registered for lifecycle
* events (i.e. _affectedResource.getParent() == registeredResource)
*/
RESOURCE_DELETED_FROM_CONTAINER,
/**
* The resource's project was deleted. This event is pre-change. Note
* that if the tracked resource is a project, RESOURCE_DELETED will be
* fired, not this event.
*/
RESOURCE_PROJECT_DELETED,
/**
* The resource's project was closed. This event is pre-change
*/
RESOURCE_PROJECT_CLOSED,
/**
* Occurs when the contents of a non-project resource has changed
*/
RESOURCE_CHANGED_CONTENTS,
/**
* Occurs when a project resource is added
*/
PROJECT_OPENED,
/**
* Occurs when a non-project resource is added to a container. This is
* fired if the resource being added was in the list of resources
* registered for lifecycle events (i.e. _affectedResource ==
* registeredResource).
*/
RESOURCE_ADDED,
/**
* Occurs when a non-project resource is added to a container. This is
* fired if the PARENT of the resource being added was in the resources
* registered for lifecycle events (i.e. _affectedResource.getParent() =
* registeredResource)
*/
RESOURCE_ADDED_TO_CONTAINER,
/**
* Occurs when a resource has becomes added or inaccessible due to a
* move operation. This event is fired when the resource being moved is
* the one of interest.
*/
RESOURCE_MOVED,
/**
* Occurs when a resource has becomes added or inaccessible due to a
* move operation. This event is fired when the PARENT of resource being
* moved is the one of interest.
*/
RESOURCE_MOVED_CONTAINER
}
private final IResource _affectedResource;
private final EventType _eventType;
private final ReasonType _reasonType;
/**
* @param source
* @param affectedResource
* @param eventType
* @param reasonType
*/
public ResourceLifecycleEvent(final LifecycleListener source,
final IResource affectedResource,
final EventType eventType, final ReasonType reasonType)
{
super(source);
_affectedResource = affectedResource;
_eventType = eventType;
_reasonType = reasonType;
}
/**
* @return the affected resource
*/
public IResource getAffectedResource()
{
return _affectedResource;
}
/**
* @return the event that has occurred
*/
public EventType getEventType()
{
return _eventType;
}
/**
* @return the cause of the event
*/
public ReasonType getReasonType()
{
return _reasonType;
}
@Override
public String toString()
{
return String.format(
"ResourceLifecycleEvent: Res = %s, Event=%s, Reason=%s", //$NON-NLS-1$
getAffectedResource(), getEventType(), getReasonType());
}
}
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