Principal function ( ) { return null ; }
get the user principal for this request . only applicable when using upgraderequest from server side . concode_field_sep String httpVersion concode_elem_sep String method concode_elem_sep Map<String,List<String>> headers concode_elem_sep Map<String,List<String>> parameters concode_elem_sep Object session concode_elem_sep List<String> subProtocols concode_elem_sep String host concode_elem_sep URI requestURI concode_elem_sep boolean secure concode_elem_sep List<HttpCookie> cookies concode_elem_sep List<ExtensionConfig> extensions concode_field_sep String getHttpVersion concode_elem_sep void setRequestURI concode_elem_sep void clearHeaders concode_elem_sep Map<String,List<String>> getParameterMap concode_elem_sep String getMethod concode_elem_sep void addExtensions concode_elem_sep void addExtensions concode_elem_sep void setHeader concode_elem_sep void setHeader concode_elem_sep String getHeader concode_elem_sep List<HttpCookie> getCookies concode_elem_sep void setSubProtocols concode_elem_sep void setSubProtocols concode_elem_sep int getHeaderInt concode_elem_sep void setSession concode_elem_sep void setParameterMap concode_elem_sep void setExtensions concode_elem_sep String getHost concode_elem_sep void setHeaders concode_elem_sep Map<String,List<String>> getHeaders concode_elem_sep List<String> getHeaders concode_elem_sep String getOrigin concode_elem_sep boolean hasSubProtocol concode_elem_sep URI getRequestURI concode_elem_sep String getQueryString concode_elem_sep boolean isSecure concode_elem_sep List<ExtensionConfig> getExtensions concode_elem_sep List<String> getSubProtocols concode_elem_sep String getProtocolVersion concode_elem_sep void setHttpVersion concode_elem_sep void setMethod concode_elem_sep void setCookies concode_elem_sep Object getSession concode_elem_sep boolean isOrigin