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package org.openslx.imagemaster.serverconnection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Helper class for the ImageProcessor and ConnectionHandler to know some things about the downloading client
*/
public class DownloadingClient
{
private final HashMap<String, ImageInfos> downloadingImages = new HashMap<>();
public void addDownload( String uuid, List<Integer> list, String token )
{
downloadingImages.put( uuid, new ImageInfos( uuid, list, token ) );
}
public void removeDownload( String uuid )
{
downloadingImages.remove( uuid );
}
public boolean isDownloading( String uuid )
{
return downloadingImages.containsKey( uuid );
}
public boolean hasDownloads()
{
return (downloadingImages.size() > 0);
}
public List<Integer> getLastRequestedBlocks( String token )
{
for (Map.Entry<String, ImageInfos> entry : downloadingImages.entrySet() ) {
if (entry.getValue().token.equals( token )) return entry.getValue().lastRequestedBlocks;
}
return null;
}
public void requestBlocks( String uuid, List<Integer> list )
{
if ( !downloadingImages.containsKey( uuid ) )
return;
downloadingImages.get( uuid ).lastRequestedBlocks = list;
}
public String getToken( String uuid )
{
if ( !downloadingImages.containsKey( uuid ) )
return null;
return downloadingImages.get( uuid ).token;
}
class ImageInfos
{
public final String uuid;
public final String token;
private List<Integer> lastRequestedBlocks;
ImageInfos(String uuid, List<Integer> list, String token)
{
this.uuid = uuid;
this.lastRequestedBlocks = list;
this.token = token;
}
}
}
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