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| 1 | +/* |
| 2 | + * Copyright (c) 2010-2018 Nathan Rajlich |
| 3 | + * |
| 4 | + * Permission is hereby granted, free of charge, to any person |
| 5 | + * obtaining a copy of this software and associated documentation |
| 6 | + * files (the "Software"), to deal in the Software without |
| 7 | + * restriction, including without limitation the rights to use, |
| 8 | + * copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 9 | + * copies of the Software, and to permit persons to whom the |
| 10 | + * Software is furnished to do so, subject to the following |
| 11 | + * conditions: |
| 12 | + * |
| 13 | + * The above copyright notice and this permission notice shall be |
| 14 | + * included in all copies or substantial portions of the Software. |
| 15 | + * |
| 16 | + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 17 | + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES |
| 18 | + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 19 | + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
| 20 | + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| 21 | + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 22 | + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 23 | + * OTHER DEALINGS IN THE SOFTWARE. |
| 24 | + */ |
| 25 | + |
| 26 | +import org.java_websocket.WebSocket; |
| 27 | +import org.java_websocket.WebSocketImpl; |
| 28 | +import org.java_websocket.drafts.Draft; |
| 29 | +import org.java_websocket.exceptions.InvalidDataException; |
| 30 | +import org.java_websocket.framing.CloseFrame; |
| 31 | +import org.java_websocket.handshake.ClientHandshake; |
| 32 | +import org.java_websocket.handshake.ServerHandshakeBuilder; |
| 33 | + |
| 34 | +import java.io.BufferedReader; |
| 35 | +import java.io.IOException; |
| 36 | +import java.io.InputStreamReader; |
| 37 | +import java.net.InetSocketAddress; |
| 38 | + |
| 39 | +/** |
| 40 | + * This example shows how to add additional headers to your server handshake response |
| 41 | + * |
| 42 | + * For this you have to override onWebsocketHandshakeReceivedAsServer in your WebSocketServer class |
| 43 | + * |
| 44 | + * We are simple adding the additional header "Access-Control-Allow-Origin" to our server response |
| 45 | + */ |
| 46 | +public class ServerAdditionalHeaderExample extends ChatServer { |
| 47 | + |
| 48 | + public ServerAdditionalHeaderExample( int port ) { |
| 49 | + super( new InetSocketAddress( port )); |
| 50 | + } |
| 51 | + |
| 52 | + @Override |
| 53 | + public ServerHandshakeBuilder onWebsocketHandshakeReceivedAsServer( WebSocket conn, Draft draft, ClientHandshake request) throws InvalidDataException { |
| 54 | + ServerHandshakeBuilder builder = super.onWebsocketHandshakeReceivedAsServer( conn, draft, request ); |
| 55 | + builder.put( "Access-Control-Allow-Origin" , "*"); |
| 56 | + return builder; |
| 57 | + } |
| 58 | + |
| 59 | + |
| 60 | + public static void main( String[] args ) throws InterruptedException , IOException { |
| 61 | + WebSocketImpl.DEBUG = true; |
| 62 | + int port = 8887; // 843 flash policy port |
| 63 | + try { |
| 64 | + port = Integer.parseInt( args[ 0 ] ); |
| 65 | + } catch ( Exception ex ) { |
| 66 | + } |
| 67 | + ServerAdditionalHeaderExample s = new ServerAdditionalHeaderExample( port ); |
| 68 | + s.start(); |
| 69 | + System.out.println( "Server started on port: " + s.getPort() ); |
| 70 | + |
| 71 | + BufferedReader sysin = new BufferedReader( new InputStreamReader( System.in ) ); |
| 72 | + while ( true ) { |
| 73 | + String in = sysin.readLine(); |
| 74 | + s.broadcast( in ); |
| 75 | + if( in.equals( "exit" ) ) { |
| 76 | + s.stop(1000); |
| 77 | + break; |
| 78 | + } |
| 79 | + } |
| 80 | + } |
| 81 | +} |
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