public void close() throws IOException {
outputStream.close();
}
public void flush() throws IOException {
outputStream.flush();
}
public void write(byte[] buf, int off, int len) throws IOException {
outputStream.write(buf, off, len);
}
public void write(int c) throws IOException {
outputStream.write(c);
}
public void write(byte[] buf) throws IOException {
outputStream.write(buf);
}