@Override
public void setContentLength(int len) {
// Protect from setting after committed as default handling
// of a servlet HEAD request ALWAYS sets _content length, even
// if the getHandling committed the response!
if (isCommitted() || isIncluding()) return;
long written = _out.getWritten();
if (written > len)
throw new IllegalArgumentException(
"setContentLength(" + len + ") when already written " + written);
_contentLength = len;
_fields.putLongField(HttpHeader.CONTENT_LENGTH.toString(), len);
if (_contentLength > 0) {
try {
closeIfAllContentWritten(written);
} catch (IOException e) {
throw new RuntimeIOException(e);
}
}
}
public long getContentCount() {
return _out.getWritten();
}