/*
 * 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,
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package jakarta.servlet.http;

Interface between the HTTP upgrade process and the new protocol.
Since:Servlet 3.1
/** * Interface between the HTTP upgrade process and the new protocol. * * @since Servlet 3.1 */
public interface HttpUpgradeHandler {
This method is called once the request/response pair where HttpServletRequest.upgrade(Class<HttpUpgradeHandler>) is called has completed processing and is the point where control of the connection passes from the container to the HttpUpgradeHandler.
Params:
  • connection – The connection that has been upgraded
Since:Servlet 3.1
/** * This method is called once the request/response pair where * {@link HttpServletRequest#upgrade(Class)} is called has completed * processing and is the point where control of the connection passes from * the container to the {@link HttpUpgradeHandler}. * * @param connection The connection that has been upgraded * * @since Servlet 3.1 */
void init(WebConnection connection);
This method is called after the upgraded connection has been closed.
/** * This method is called after the upgraded connection has been closed. */
void destroy(); }