package com.shlanbao.tzsc.pms.websocket;
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import org.springframework.http.server.ServerHttpRequest;
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import org.springframework.http.server.ServerHttpResponse;
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import org.springframework.http.server.ServletServerHttpRequest;
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import org.springframework.web.socket.WebSocketHandler;
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import org.springframework.web.socket.server.support.HttpSessionHandshakeInterceptor;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpSession;
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import java.util.Map;
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/**
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*/
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public class HandshakeInterceptor extends HttpSessionHandshakeInterceptor {
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@Override
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public boolean beforeHandshake(ServerHttpRequest request, ServerHttpResponse response, WebSocketHandler wsHandler, Map<String, Object> attributes) throws Exception {
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if (getSession(request) != null) {
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ServletServerHttpRequest servletRequest = (ServletServerHttpRequest) request;
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HttpServletRequest httpServletRequest = servletRequest.getServletRequest();
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attributes.put("name", httpServletRequest.getParameter("name"));
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}
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return super.beforeHandshake(request, response, wsHandler, attributes);
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}
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@Override
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public void afterHandshake(ServerHttpRequest request, ServerHttpResponse response, WebSocketHandler wsHandler, Exception ex) {
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super.afterHandshake(request, response, wsHandler, ex);
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}
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private HttpSession getSession(ServerHttpRequest request) {
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if (request instanceof ServletServerHttpRequest) {
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ServletServerHttpRequest serverRequest = (ServletServerHttpRequest) request;
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return serverRequest.getServletRequest().getSession(false);
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}
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return null;
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}
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}
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