if (response == null) {
throw new IllegalArgumentException("HTTP response may not be null");
}
if (context == null) {
throw new IllegalArgumentException("HTTP context may not be null");
}
// Always drop connection after certain type of responses
int status = response.getStatusLine().getStatusCode();
if (status == HttpStatus.SC_BAD_REQUEST ||
status == HttpStatus.SC_REQUEST_TIMEOUT ||
status == HttpStatus.SC_LENGTH_REQUIRED ||
status == HttpStatus.SC_REQUEST_TOO_LONG ||
status == HttpStatus.SC_REQUEST_URI_TOO_LONG ||
status == HttpStatus.SC_SERVICE_UNAVAILABLE ||
status == HttpStatus.SC_NOT_IMPLEMENTED) {
response.setHeader(HTTP.CONN_DIRECTIVE, HTTP.CONN_CLOSE);
return;
}
// Always drop connection for HTTP/1.0 responses and below
// if the content body cannot be correctly delimited
HttpEntity entity = response.getEntity();
if (entity != null) {
ProtocolVersion ver = response.getStatusLine().getProtocolVersion();
if (entity.getContentLength() < 0 &&
(!entity.isChunked() || ver.lessEquals(HttpVersion.HTTP_1_0))) {
response.setHeader(HTTP.CONN_DIRECTIVE, HTTP.CONN_CLOSE);
return;
}
}
// Drop connection if requested by the client
HttpRequest request = (HttpRequest)
context.getAttribute(ExecutionContext.HTTP_REQUEST);
if (request != null) {
Header header = request.getFirstHeader(HTTP.CONN_DIRECTIVE);
if (header != null) {
response.setHeader(HTTP.CONN_DIRECTIVE, header.getValue());
}
}
