package com.ard.route.websocket.interceptor;

import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.web.socket.WebSocketHandler;

import java.util.Map;

public class MiHandshakeInterceptor implements org.springframework.web.socket.server.HandshakeInterceptor {
    @Override
    public boolean beforeHandshake(ServerHttpRequest request,
                                   ServerHttpResponse response,
                                   WebSocketHandler wsHandler,
                                   Map<String, Object> attributes) throws Exception {
        //从路径中获取userId
        String path = request.getURI().getPath();
        String[] segments = path.split("/");
        if (segments.length > 2) {
            String userId = segments[segments.length - 1];
            attributes.put("userId", userId);
        }
        return true;
    }

    @Override
    public void afterHandshake(ServerHttpRequest request,
                               ServerHttpResponse response,
                               WebSocketHandler wsHandler,
                               Exception exception) {

    }
}