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/*******************************************************************************
 * 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.ui.internal;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.ISharedImages;

/**
 * Common images used by the workbench which may be useful to other plug-ins.
 */
public class SharedImages implements ISharedImages {
    /**
     * Retrieves the specified image from the workbench plugin's image registry.
     *
     * @see ISharedImages
     */
    @Override
	public Image getImage(String symbolicName) {
        Image image = WorkbenchImages.getImage(symbolicName);
        if (image != null) {
			return image;
		}

        //if there is a descriptor for it, add the image to the registry.
        ImageDescriptor desc = WorkbenchImages.getImageDescriptor(symbolicName);
        if (desc != null) {
            WorkbenchImages.getImageRegistry().put(symbolicName, desc);
            return WorkbenchImages.getImageRegistry().get(symbolicName);
        }
        return null;
    }

    /**
     * Retrieves the specified image descriptor from the workbench plugin's image registry.
     *
     * @see ISharedImages
     */
    @Override
	public ImageDescriptor getImageDescriptor(String symbolicName) {
        return WorkbenchImages.getImageDescriptor(symbolicName);
    }
}