package cn.org.hentai.jtt1078.websocket;

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

import java.util.Map;

public class CustomHandshakeInterceptor implements 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 sim = segments[segments.length - 1];
            attributes.put("sim", sim);
        }

        return true;
    }

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