isPreflightRequest() — netty Function Reference

Architecture documentation for the isPreflightRequest() function in CorsHandler.java from the netty codebase.

Function java ProtocolCodecs HTTP called by 1

Entity Profile

ProtocolCodecs→ HTTP→ isPreflightRequest() — netty Function Reference

Dependency Diagram

graph TD
  9d53585d_ffbc_c503_7ed7_7772002f41b2["isPreflightRequest()"]
  48d2af19_d0e9_a2f5_8280_607eb2335be4["CorsHandler"]
  9d53585d_ffbc_c503_7ed7_7772002f41b2 -->|defined in| 48d2af19_d0e9_a2f5_8280_607eb2335be4
  027a5736_cffb_b2ba_1d21_bab8955f01f6["channelRead()"]
  027a5736_cffb_b2ba_1d21_bab8955f01f6 -->|calls| 9d53585d_ffbc_c503_7ed7_7772002f41b2
  style 9d53585d_ffbc_c503_7ed7_7772002f41b2 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http/src/main/java/io/netty/handler/codec/http/cors/CorsHandler.java lines 218–223

    private static boolean isPreflightRequest(final HttpRequest request) {
        final HttpHeaders headers = request.headers();
        return OPTIONS.equals(request.method()) &&
                headers.contains(HttpHeaderNames.ORIGIN) &&
                headers.contains(HttpHeaderNames.ACCESS_CONTROL_REQUEST_METHOD);
    }