/* * Copyright (c) 2010-2020 Nathan Rajlich * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following * conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ import java.net.URI; import java.net.URISyntaxException; import java.util.Map; import org.java_websocket.client.WebSocketClient; import org.java_websocket.drafts.Draft; import org.java_websocket.handshake.ServerHandshake; /** * This example demonstrates how to create a websocket connection to a server. Only the most * important callbacks are overloaded. */ public class ExampleClient extends WebSocketClient { public ExampleClient(URI serverUri, Draft draft) { super(serverUri, draft); } public ExampleClient(URI serverURI) { super(serverURI); } public ExampleClient(URI serverUri, Map httpHeaders) { super(serverUri, httpHeaders); } @Override public void onOpen(ServerHandshake handshakedata) { send("Hello, it is me. Mario :)"); System.out.println("opened connection"); // if you plan to refuse connection based on ip or httpfields overload: onWebsocketHandshakeReceivedAsClient } @Override public void onMessage(String message) { System.out.println("received: " + message); } @Override public void onClose(int code, String reason, boolean remote) { // The close codes are documented in class org.java_websocket.framing.CloseFrame System.out.println( "Connection closed by " + (remote ? "remote peer" : "us") + " Code: " + code + " Reason: " + reason); } @Override public void onError(Exception ex) { ex.printStackTrace(); // if the error is fatal then onClose will be called additionally } public static void main(String[] args) throws URISyntaxException { ExampleClient c = new ExampleClient(new URI( "ws://localhost:8887")); // more about drafts here: http://github.com/TooTallNate/Java-WebSocket/wiki/Drafts c.connect(); } }