/*
* Copyright (c) 2010, Manuel Woelker, Michael Grossmann
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the jo-widgets.org nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
package org.jowidgets.spi.impl.swt.common.image;
import org.eclipse.swt.graphics.Image;
import org.jowidgets.common.image.IImageConstant;
import org.jowidgets.spi.impl.image.ImageHandle;
import org.jowidgets.spi.impl.image.ImageRegistry;
public final class SwtImageRegistry extends ImageRegistry {
public SwtImageRegistry() {
super(new SwtImageHandleFactory());
}
@SuppressWarnings("unchecked")
@Override
public synchronized ImageHandle<Image> getImageHandle(final IImageConstant key) {
return (ImageHandle<Image>) super.getImageHandle(key);
}
public synchronized Image getImage(final IImageConstant key) {
if (key == null) {
return null;
}
final ImageHandle<Image> imageHandle = getImageHandle(key);
if (imageHandle != null) {
return imageHandle.getImage();
}
else {
throw new IllegalArgumentException("No image found for the image constant '" + key + "'");
}
}
}