/**
* Created on Apr 28, 2008
*
* Copyright 2008 Vuze, Inc. All rights reserved.
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License only.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.aelitis.azureus.ui.utils;
import java.io.InputStream;
import java.net.URL;
import java.util.*;
import org.gudy.azureus2.core3.util.AEMonitor;
import org.gudy.azureus2.core3.util.Debug;
import org.gudy.azureus2.pluginsimpl.local.utils.resourcedownloader.ResourceDownloaderFactoryImpl;
import org.gudy.azureus2.plugins.utils.resourcedownloader.ResourceDownloader;
import org.gudy.azureus2.plugins.utils.resourcedownloader.ResourceDownloaderAdapter;
/**
* @author TuxPaper
* @created Apr 28, 2008
*
*/
public class ImageBytesDownloader
{
static final Map<String, List<ImageDownloaderListener>> map = new HashMap<String, List<ImageDownloaderListener>>();
static final AEMonitor mon_map = new AEMonitor("ImageDownloaderMap");
public static void loadImage(final String url, final ImageDownloaderListener l) {
//System.out.println("download " + url);
mon_map.enter();
try {
List<ImageDownloaderListener> list = map.get(url);
if (list != null) {
list.add(l);
return;
}
list = new ArrayList<ImageDownloaderListener>(1);
list.add(l);
map.put(url, list);
} finally {
mon_map.exit();
}
try {
ResourceDownloader rd = ResourceDownloaderFactoryImpl.getSingleton().create(
new URL(url));
rd.addListener(new ResourceDownloaderAdapter() {
public boolean completed(ResourceDownloader downloader, InputStream is) {
mon_map.enter();
try {
List<ImageDownloaderListener> list = map.get(url);
if (list != null) {
try {
if (is != null && is.available() > 0) {
byte[] newImageBytes = new byte[is.available()];
is.read(newImageBytes);
for (ImageDownloaderListener l : list) {
try {
l.imageDownloaded(newImageBytes);
} catch (Exception e) {
Debug.out(e);
}
}
}
} catch (Exception e) {
Debug.out(e);
}
}
map.remove(url);
} finally {
mon_map.exit();
}
return false;
}
});
rd.asyncDownload();
} catch (Exception e) {
Debug.out(url, e);
}
}
public static interface ImageDownloaderListener
{
public void imageDownloaded(byte[] image);
}
}