import javax.servlet.ServletOutputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.OutputStream;
   
public class FilterServletOutputStream extends ServletOutputStream {
   
    private DataOutputStream stream;
   
    public FilterServletOutputStream(OutputStream output) {
        stream = new DataOutputStream(output);
    }
   
    public void write(int b) throws IOException {
        stream.write(b);
    }
   
    public void write(byte[] b) throws IOException {
        stream.write(b);
    }
   
    public void write(byte[] b, int off, int len) throws IOException {
        stream.write(b, off, len);
    }
}
   