WebSocketVersion Type — netty Architecture

Architecture documentation for the WebSocketVersion type/interface in WebSocketVersion.java from the netty codebase.

Type java

Entity Profile

Dependency Diagram

graph TD
  d1f336dc_4596_20ad_1d9a_d89b7dbe3d19["WebSocketVersion"]
  86a321e9_865a_cd0c_1e66_f9a1aafb764a["WebSocketVersion.java"]
  d1f336dc_4596_20ad_1d9a_d89b7dbe3d19 -->|defined in| 86a321e9_865a_cd0c_1e66_f9a1aafb764a
  style d1f336dc_4596_20ad_1d9a_d89b7dbe3d19 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http/src/main/java/io/netty/handler/codec/http/websocketx/WebSocketVersion.java lines 30–77

public enum WebSocketVersion {
    UNKNOWN(AsciiString.cached(StringUtil.EMPTY_STRING)),

    /**
     * <a href= "https://tools.ietf.org/html/draft-ietf-hybi-thewebsocketprotocol-00"
     * >draft-ietf-hybi-thewebsocketprotocol- 00</a>.
     */
    V00(AsciiString.cached("0")),

    /**
     * <a href= "https://tools.ietf.org/html/draft-ietf-hybi-thewebsocketprotocol-07"
     * >draft-ietf-hybi-thewebsocketprotocol- 07</a>
     */
    V07(AsciiString.cached("7")),

    /**
     * <a href= "https://tools.ietf.org/html/draft-ietf-hybi-thewebsocketprotocol-10"
     * >draft-ietf-hybi-thewebsocketprotocol- 10</a>
     */
    V08(AsciiString.cached("8")),

    /**
     * <a href="https://tools.ietf.org/html/rfc6455 ">RFC 6455</a>. This was originally <a href=
     * "https://tools.ietf.org/html/draft-ietf-hybi-thewebsocketprotocol-17" >draft-ietf-hybi-thewebsocketprotocol-
     * 17</a>
     */
    V13(AsciiString.cached("13"));

    private final AsciiString headerValue;

    WebSocketVersion(AsciiString headerValue) {
        this.headerValue = headerValue;
    }
    /**
     * @return Value for HTTP Header 'Sec-WebSocket-Version'
     */
    public String toHttpHeaderValue() {
        return toAsciiString().toString();
    }

    AsciiString toAsciiString() {
        if (this == UNKNOWN) {
            // Let's special case this to preserve behaviour
            throw new IllegalStateException("Unknown web socket version: " + this);
        }
        return headerValue;
    }
}

Defined In

codec-http/src/main/java/io/netty/handler/codec/http/websocketx/WebSocketVersion.java

Source

View on GitHub

Frequently Asked Questions

What is the WebSocketVersion type?

WebSocketVersion is a type/interface in the netty codebase, defined in codec-http/src/main/java/io/netty/handler/codec/http/websocketx/WebSocketVersion.java.

Where is WebSocketVersion defined?

WebSocketVersion is defined in codec-http/src/main/java/io/netty/handler/codec/http/websocketx/WebSocketVersion.java at line 30.

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