package com.objecteye.websocket;

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

import java.util.Map;

/**
 * @Author: lr
 * @Date: 2019/9/5 14:32
 * @Version 1.0
 * @Message:
 */
@Component
public class MyHandshakeInterceptor implements HandshakeInterceptor {
    @Override
    public boolean beforeHandshake(ServerHttpRequest serverHttpRequest, ServerHttpResponse serverHttpResponse, WebSocketHandler webSocketHandler, Map<String, Object> map) throws Exception {
        String deviceId = ((ServletServerHttpRequest) serverHttpRequest).getServletRequest().getParameter("deviceId");
        if (deviceId != null) {
            map.put("deviceId", deviceId);
        }
        return true;
    }

    @Override
    public void afterHandshake(ServerHttpRequest serverHttpRequest, ServerHttpResponse serverHttpResponse, WebSocketHandler webSocketHandler, Exception e) {
    }
}