package cs522.elind.io;

import java.io.*;

public class MonitorOutputStream extends OutputStream
{
  OutputStream monitor = null;
  long totalWritten = 0;
  /** Creates a new instance of MonitorOutputStream */
  public MonitorOutputStream(OutputStream out)
  {
    monitor = out;
  }
  
  public long bytesWritten()
  {
    return totalWritten;
  }
  
  public void write(int b) throws IOException
  {
    monitor.write(b);
    int written = b & 255;
    totalWritten += written;
  }
  
  public void write(byte[] b) throws IOException
  {
    monitor.write(b);
    int written = b.length;
    totalWritten += written;
  }
  
  public void write(byte[] b, int off, int len) throws IOException
  {
    monitor.write(b, off, len);
    int written = len;
    totalWritten += written;
  }
  
  public void flush() throws IOException
  {
    monitor.flush();
  }
  
  public void close() throws IOException
  {
    monitor.close();
  }
  
}