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WebSocketServerInitializer Class — netty Architecture

Architecture documentation for the WebSocketServerInitializer class in WebSocketServerInitializer.java from the netty codebase.

Class java

Entity Profile

Dependency Diagram

graph TD
  d91b1dd0_4fdc_4b4f_37dd_0c0e86c4c19a["WebSocketServerInitializer"]
  5ae8c92b_27f9_0c03_d6f0_6d4a7454525a["WebSocketServerInitializer.java"]
  d91b1dd0_4fdc_4b4f_37dd_0c0e86c4c19a -->|defined in| 5ae8c92b_27f9_0c03_d6f0_6d4a7454525a
  86e4c65b_7fea_424f_9a38_ff4eb27f6797["WebSocketServerInitializer()"]
  d91b1dd0_4fdc_4b4f_37dd_0c0e86c4c19a -->|method| 86e4c65b_7fea_424f_9a38_ff4eb27f6797
  4d20e1b9_236d_40fa_13a4_5f78835b5ce4["initChannel()"]
  d91b1dd0_4fdc_4b4f_37dd_0c0e86c4c19a -->|method| 4d20e1b9_236d_40fa_13a4_5f78835b5ce4

Relationship Graph

Source Code

example/src/main/java/io/netty/example/http/websocketx/server/WebSocketServerInitializer.java lines 29–54

public class WebSocketServerInitializer extends ChannelInitializer<SocketChannel> {

    private static final String WEBSOCKET_PATH = "/websocket";

    private static final int MAX_CONTENT_LENGTH = 65536;

    private final SslContext sslCtx;

    public WebSocketServerInitializer(SslContext sslCtx) {
        this.sslCtx = sslCtx;
    }

    @Override
    public void initChannel(SocketChannel ch) throws Exception {
        ChannelPipeline pipeline = ch.pipeline();
        if (sslCtx != null) {
            pipeline.addLast(sslCtx.newHandler(ch.alloc()));
        }
        pipeline.addLast(new HttpServerCodec());
        pipeline.addLast(new HttpObjectAggregator(MAX_CONTENT_LENGTH));
        pipeline.addLast(new WebSocketIndexPageHandler(WEBSOCKET_PATH));
        pipeline.addLast(new WebSocketServerCompressionHandler(MAX_CONTENT_LENGTH));
        pipeline.addLast(new WebSocketServerProtocolHandler(WEBSOCKET_PATH, null, true));
        pipeline.addLast(new WebSocketFrameHandler());
    }
}

Defined In

Source

Frequently Asked Questions

What is the WebSocketServerInitializer class?
WebSocketServerInitializer is a class in the netty codebase, defined in example/src/main/java/io/netty/example/http/websocketx/server/WebSocketServerInitializer.java.
Where is WebSocketServerInitializer defined?
WebSocketServerInitializer is defined in example/src/main/java/io/netty/example/http/websocketx/server/WebSocketServerInitializer.java at line 29.

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