Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package javax.websocket.server; import java.net.URI; import java.security.Principal; import java.util.List; import java.util.Map; /** * Represents the HTTP request that asked to be upgraded to WebSocket. */ public interface HandshakeRequest { static final String SEC_WEBSOCKET_KEY = "Sec-WebSocket-Key"; static final String SEC_WEBSOCKET_PROTOCOL = "Sec-WebSocket-Protocol"; static final String SEC_WEBSOCKET_VERSION = "Sec-WebSocket-Version"; static final String SEC_WEBSOCKET_EXTENSIONS = "Sec-WebSocket-Extensions"; Map<String, List<String>> getHeaders(); Principal getUserPrincipal(); URI getRequestURI(); boolean isUserInRole(String role); /** * Get the HTTP Session object associated with this request. Object is used * to avoid a direct dependency on the Servlet API. * @return The javax.servlet.http.HttpSession object associated with this * request, if any. */ Object getHttpSession(); Map<String, List<String>> getParameterMap(); String getQueryString(); }