write() — netty Function Reference

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

Function java ProtocolCodecs HTTP calls 3

Entity Profile

ProtocolCodecs→ HTTP→ write() — netty Function Reference

Dependency Diagram

graph TD
  fdaa1945_c0d7_1681_e943_87b13dd954f5["write()"]
  48d2af19_d0e9_a2f5_8280_607eb2335be4["CorsHandler"]
  fdaa1945_c0d7_1681_e943_87b13dd954f5 -->|defined in| 48d2af19_d0e9_a2f5_8280_607eb2335be4
  443bc456_062e_6158_b794_7d52bf18c800["setOrigin()"]
  fdaa1945_c0d7_1681_e943_87b13dd954f5 -->|calls| 443bc456_062e_6158_b794_7d52bf18c800
  d0b437b7_a674_7261_9478_519e18bcedff["setAllowCredentials()"]
  fdaa1945_c0d7_1681_e943_87b13dd954f5 -->|calls| d0b437b7_a674_7261_9478_519e18bcedff
  2f9be2d2_ca57_b53c_0e43_e64bbb04376b["setExposeHeaders()"]
  fdaa1945_c0d7_1681_e943_87b13dd954f5 -->|calls| 2f9be2d2_ca57_b53c_0e43_e64bbb04376b
  style fdaa1945_c0d7_1681_e943_87b13dd954f5 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http/src/main/java/io/netty/handler/codec/http/cors/CorsHandler.java lines 253–264

    @Override
    public void write(final ChannelHandlerContext ctx, final Object msg, final ChannelPromise promise)
            throws Exception {
        if (config != null && config.isCorsSupportEnabled() && msg instanceof HttpResponse) {
            final HttpResponse response = (HttpResponse) msg;
            if (setOrigin(response)) {
                setAllowCredentials(response);
                setExposeHeaders(response);
            }
        }
        ctx.write(msg, promise);
    }