org.eclipse.jface.resource.MissingImageDescriptor Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2000, 2006 IBM 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jface.resource;
import org.eclipse.swt.graphics.ImageData;
/**
* The image descriptor for a missing image.
*
* Use MissingImageDescriptor.getInstance to
* access the singleton instance maintained in an
* internal state variable.
*
*/
class MissingImageDescriptor extends ImageDescriptor {
private static MissingImageDescriptor instance;
/**
* Constructs a new missing image descriptor.
*/
private MissingImageDescriptor() {
super();
}
/* (non-Javadoc)
* Method declared on ImageDesciptor.
*/
public ImageData getImageData() {
return DEFAULT_IMAGE_DATA;
}
/**
* Returns the shared missing image descriptor instance.
*
* @return the image descriptor for a missing image
*/
static MissingImageDescriptor getInstance() {
if (instance == null) {
instance = new MissingImageDescriptor();
}
return instance;
}
}