Java tutorial
/* * Copyright 2002-2013 the original author or authors. * * Licensed 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 * * https://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 org.springframework.web.socket.client; import java.net.URI; import org.springframework.lang.Nullable; import org.springframework.util.concurrent.ListenableFuture; import org.springframework.web.socket.WebSocketHandler; import org.springframework.web.socket.WebSocketHttpHeaders; import org.springframework.web.socket.WebSocketSession; /** * Contract for initiating a WebSocket request. As an alternative considering using the * declarative style {@link WebSocketConnectionManager} that starts a WebSocket connection * to a pre-configured URI when the application starts. * * @author Rossen Stoyanchev * @since 4.0 * @see WebSocketConnectionManager */ public interface WebSocketClient { ListenableFuture<WebSocketSession> doHandshake(WebSocketHandler webSocketHandler, String uriTemplate, Object... uriVariables); ListenableFuture<WebSocketSession> doHandshake(WebSocketHandler webSocketHandler, @Nullable WebSocketHttpHeaders headers, URI uri); }