org.eclipse.m2e.internal.discovery.MavenDiscoveryIcons.java Source code

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Here is the source code for org.eclipse.m2e.internal.discovery.MavenDiscoveryIcons.java

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/*******************************************************************************
 * Copyright (c) 2011 Sonatype, Inc.
 * 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:
 *      Sonatype, Inc. - initial API and implementation
 *******************************************************************************/

package org.eclipse.m2e.internal.discovery;

import java.net.MalformedURLException;
import java.net.URL;

import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.swt.graphics.Image;

public class MavenDiscoveryIcons {

    private static final URL baseURL = Platform.getBundle(DiscoveryActivator.PLUGIN_ID).getEntry("/icons/"); //$NON-NLS-1$

    private static ImageRegistry imageRegistry;

    public static final ImageDescriptor WIZARD_BANNER = create("banner.gif"); //$NON-NLS-1$

    public static final ImageDescriptor QUICK_FIX_ICON = create("insp_sbook.gif"); //$NON-NLS-1$

    private static ImageDescriptor create(String string) {
        try {
            return ImageDescriptor.createFromURL(new URL(baseURL, string));
        } catch (MalformedURLException e) {
            return ImageDescriptor.getMissingImageDescriptor();
        }
    }

    public static Image getImage(ImageDescriptor descriptor) {
        ImageRegistry imageRegistry = getImageRegistry();
        Image image = imageRegistry.get(String.valueOf(descriptor.hashCode()));
        if (image == null) {
            image = descriptor.createImage(true);
            imageRegistry.put(String.valueOf(descriptor.hashCode()), image);
        }
        return image;
    }

    private static ImageRegistry getImageRegistry() {
        if (imageRegistry == null) {
            imageRegistry = new ImageRegistry();
        }
        return imageRegistry;
    }
}