1 /* 2 * Copyright (c) 2002-2025 Gargoyle Software Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * https://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 package org.htmlunit.websocket; 16 17 import java.io.IOException; 18 import java.net.URI; 19 20 /** 21 * Helper to have no direct dependency to the WebSockt client 22 * implementation used by HtmlUnit. 23 * 24 * @author Ronald Brill 25 */ 26 public interface WebSocketAdapter { 27 28 /** 29 * Starts the client. 30 * 31 * @throws Exception in case of error 32 */ 33 void start() throws Exception; 34 35 /** 36 * Connects to the given {@link URI}. 37 * 38 * @param url the target url 39 * @throws Exception in case of error 40 */ 41 void connect(URI url) throws Exception; 42 43 /** 44 * Sends the provided content. 45 * 46 * @param content the content to be sent 47 * @throws IOException in case of error 48 */ 49 void send(Object content) throws IOException; 50 51 /** 52 * Close the incomming session. 53 * 54 * @throws Exception in case of error 55 */ 56 void closeIncommingSession() throws Exception; 57 58 /** 59 * Close the outgoing session. 60 * 61 * @throws Exception in case of error 62 */ 63 void closeOutgoingSession() throws Exception; 64 65 /** 66 * Close the client. 67 * 68 * @throws Exception in case of error 69 */ 70 void closeClient() throws Exception; 71 }