Examples with UndertowServerHttpRequest org.springframework.http.server.reactive.UndertowServerHttpRequest used on opensource projects

Example 1 with UndertowServerHttpRequest

use of org.springframework.http.server.reactive.UndertowServerHttpRequest in project spring-framework by spring-projects.

the class UndertowRequestUpgradeStrategy method upgrade.

@Override
public Mono<Void> upgrade(ServerWebExchange exchange, WebSocketHandler handler, Optional<String> subProtocol) {
    ServerHttpRequest request = exchange.getRequest();
    Assert.isInstanceOf(UndertowServerHttpRequest.class, request, "UndertowServerHttpRequest required");
    HttpServerExchange httpExchange = ((UndertowServerHttpRequest) request).getUndertowExchange();
    Set<String> protocols = subProtocol.map(Collections::singleton).orElse(Collections.emptySet());
    Hybi13Handshake handshake = new Hybi13Handshake(protocols, false);
    List<Handshake> handshakes = Collections.singletonList(handshake);
    URI url = request.getURI();
    HttpHeaders headers = request.getHeaders();
    Mono<Principal> principal = exchange.getPrincipal();
    HandshakeInfo info = new HandshakeInfo(url, headers, principal, subProtocol);
    DataBufferFactory bufferFactory = exchange.getResponse().bufferFactory();
    try {
        DefaultCallback callback = new DefaultCallback(info, handler, bufferFactory);
        new WebSocketProtocolHandshakeHandler(handshakes, callback).handleRequest(httpExchange);
    } catch (Exception ex) {
        return Mono.error(ex);
    }
    return Mono.empty();
}