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/*
* Copyright (c) 2012, the Last.fm Java Project and Committers All rights
* reserved. Redistribution and use of this software 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. 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.lineageos.eleven.lastfm;
import java.util.Collection;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
/**
* Abstract superclass for all items that may contain images (such as
* {@link Artist}s, {@link Album}s or {@link Track}s).
*
* @author Janni Kovacs
*/
public abstract class ImageHolder {
protected Map<ImageSize, String> imageUrls = new HashMap<ImageSize, String>();
/**
* Returns a Set of all {@link ImageSize}s available.
*
* @return all sizes
*/
public Set<ImageSize> availableSizes() {
return imageUrls.keySet();
}
/**
* Returns the URL of the image in the specified size, or <code>null</code>
* if not available.
*
* @param size The preferred size
* @return an image URL
*/
public String getImageURL(final ImageSize size) {
return imageUrls.get(size);
}
/**
* @param holder
* @param element
*/
protected static void loadImages(final ImageHolder holder, final DomElement element) {
final Collection<DomElement> images = element.getChildren("image");
for (final DomElement image : images) {
final String attribute = image.getAttribute("size");
ImageSize size = null;
if (attribute == null) {
size = ImageSize.UNKNOWN;
} else {
try {
size = ImageSize.valueOf(attribute.toUpperCase(Locale.ENGLISH));
} catch (final IllegalArgumentException e) {
// if they suddenly again introduce a new image size
}
}
if (size != null) {
holder.imageUrls.put(size, image.getText());
}
}
}
}
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