private void addGeneralHeaders(final Request request, final HttpRequestPacket requestPacket) {
if (request.hasHeaders()) {
final FluentCaseInsensitiveStringsMap map = request.getHeaders();
for (final Map.Entry<String, List<String>> entry : map.entrySet()) {
final String headerName = entry.getKey();
final List<String> headerValues = entry.getValue();
if (isNonEmpty(headerValues)) {
for (int i = 0, len = headerValues.size(); i < len; i++) {
requestPacket.addHeader(headerName, headerValues.get(i));
}
}
}
}
final MimeHeaders headers = requestPacket.getHeaders();
if (!headers.contains(Header.Connection)) {
// final boolean canCache = context.provider.clientConfig.getAllowPoolingConnection();
requestPacket.addHeader(Header.Connection, /*(canCache ? */ "keep-alive" /*: "close")*/);
}
if (!headers.contains(Header.Accept)) {
requestPacket.addHeader(Header.Accept, "*/*");
}
if (!headers.contains(Header.UserAgent)) {
requestPacket.addHeader(Header.UserAgent, config.getUserAgent());
}
}
@SuppressWarnings("unchecked")
public boolean sendRequest(
final FilterChainContext ctx, final Request request, final HttpRequestPacket requestPacket)
throws IOException {
boolean isWriteComplete = true;
if (Utils.requestHasEntityBody(request)) {
final HttpTxContext context = HttpTxContext.get(ctx);
BodyHandler handler = bodyHandlerFactory.getBodyHandler(request);
if (requestPacket.getHeaders().contains(Header.Expect)
&& requestPacket.getHeaders().getValue(1).equalsIgnoreCase("100-Continue")) {
// We have to set the content-length now as the headers will be flushed
// before the FileBodyHandler is invoked. If we don't do it here, and
// the user didn't explicitly set the length, then the transfer-encoding
// will be chunked and zero-copy file transfer will not occur.
final File f = request.getFile();
if (f != null) {
requestPacket.setContentLengthLong(f.length());
}
handler = new ExpectHandler(handler);
}
context.setBodyHandler(handler);
if (logger.isDebugEnabled()) {
logger.debug("REQUEST: {}", requestPacket);
}
isWriteComplete = handler.doHandle(ctx, request, requestPacket);
} else {
HttpContent content = HttpContent.builder(requestPacket).last(true).build();
if (logger.isDebugEnabled()) {
logger.debug("REQUEST: {}", requestPacket);
}
ctx.write(content, ctx.getTransportContext().getCompletionHandler());
}
return isWriteComplete;
}