/*
 * File    : TorrentDownloader2Listener.java
 * Created : 27-Feb-2004
 * By      : parg
 * 
 * Azureus - a Java Bittorrent client
 *
 * 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; either version 2 of the License.
 *
 * 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 ( see the LICENSE file ).
 *
 * 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 org.gudy.azureus2.plugins.utils.resourcedownloader;

/**
 * @author parg
 *
 */

import java.io.*;

public interface 
ResourceDownloaderListener 
{
	public void
	reportPercentComplete(
		ResourceDownloader	downloader,
		int					percentage );
	
	public void
	reportAmountComplete(
		ResourceDownloader	downloader,
		long				amount );
	
	public void
	reportActivity(
		ResourceDownloader	downloader,
		String				activity );
	
		/**
		 * 
		 * @param downloader
		 * @param data
		 * @return return true if the completed download is OK. If false is returned then
		 * if there are alternative download sources they will be tried. If there are no
		 * other sources then the download will be "failed" 
		 */
	
	public boolean
	completed(
		ResourceDownloader	downloader,
		InputStream			data );
	
	public void
	failed(
		ResourceDownloader			downloader,
		ResourceDownloaderException e );
}