DownloadItem(int id,
    String name,
    int size,
    String hash) 
{
        super(id, name);
        this.size = size;
        this.hash = hash;
        this.percent = 100;
        completion = 1;
}

 DownloadItem(int id,
    String name,
    float percent,
    int downloaded,
    int size,
    float rate) 
{
        super(id, name);
        this.percent = percent;
        this.downloaded = downloaded;
        this.size = size;
        this.rate = rate;
        completion = 0;
}

 public String chunks() 
{
        return chunks;
}

 public float chunksFoundPercent() 
{
        return chunksPercentOf('V') + chunksPercentOf('p') + chunksPercentOf('!') + chunksPercentOf('?');
}

 public float chunksNotFoundPercent() 
{
        return chunksPercentOf('_') + chunksPercentOf('.');
}

 public  void completeData(String name,
    int total,
    String hash,
    int downloaded) 
{
        if (completion!=1) {
            this.name=name;
            this.hash=hash;
            completion = 2;
        }
}

 public int downloaded() 
{
        if (isFinished())
            return size();
        else
            return downloaded;
}

 public boolean isFinished() 
{
        return completion==1;
}

 public int nbConn() 
{
        return nbConn;
}

 public float percent() 
{
        return percent;
}

 public String prettyDownloaded() 
{
        return displaySize(downloaded());
}

 public float rate() 
{
        return rate;
}

 public  void setChunks(String chunks) 
{
        this.chunks = chunks;
}

 public  void setNbConn(int n) 
{
        nbConn = n;
}

 public int timeLeft() 
{
        rateCalculator.addRate(rate());
        float meanRate = rateCalculator.meanRate();
        if (meanRate  > 0) {
            int remaining = size() - downloaded();                    
            return  (int) (Math.round((float) remaining / (1024 * meanRate) ));
        } else {
            return -1;
        }
}

 public boolean updateWith(DownloadItem item) 
{
        boolean modified = false;
        if (completion!=1 && item.completion!=1) {
            /*if (id!=item.id) {
                modified = true;
                id=item.id;
            }
            if (name!=item.name) {
                modified = true;
                name=item.name;
            }*/
            if (percent!=item.percent) {
                modified = true;
                percent=item.percent;
            }
            if (downloaded!=item.downloaded) {
                modified = true;
                downloaded=item.downloaded;
            }
            /*if (size!=item.size) {
                modified = true;
                size=item.size;
            }*/
            if (rate!=item.rate) {
                modified = true;
                rate=item.rate;
            }
        }
        else if (completion!=1 && item.completion==1) {
            // We have got a finished item
            modified = true;
            if (completion==0) {
                name=item.name;
                hash=item.hash;
            }
            completion = 1;
        }
        return modified;
}