|
| 1 | +## Usage |
| 2 | +Engine.IO-client Java has the similar api with the JS client. You can use `Socket` to connect: |
| 3 | + |
| 4 | +```java |
| 5 | +socket = new Socket("ws://localhost"); |
| 6 | +socket.on(Socket.EVENT_OPEN, new Emitter.Listener() { |
| 7 | + @Override |
| 8 | + public void call(Object... args) { |
| 9 | + socket.send("hi"); |
| 10 | + socket.close(); |
| 11 | + } |
| 12 | +}); |
| 13 | +socket.open(); |
| 14 | +``` |
| 15 | + |
| 16 | +You can listen events as follows: |
| 17 | + |
| 18 | +```java |
| 19 | +socket.on(Socket.EVENT_MESSAGE, new Emitter.Listener() { |
| 20 | + @Override |
| 21 | + public void call(Object... args) { |
| 22 | + String data = (String)args[0]; |
| 23 | + } |
| 24 | +}).on(Socket.EVENT_ERROR, new Emitter.Listener() { |
| 25 | + @Override |
| 26 | + public void call(Object... args) { |
| 27 | + Exception err = (Exception)args[0]; |
| 28 | + } |
| 29 | +}); |
| 30 | +``` |
| 31 | + |
| 32 | +How to set options: |
| 33 | + |
| 34 | +```java |
| 35 | +opts = new Socket.Options(); |
| 36 | +opts.transports = new String[] {WebSocket.NAME}; |
| 37 | + |
| 38 | +socket = new Socket(opts); |
| 39 | +``` |
| 40 | + |
| 41 | +Sending and receiving binary data: |
| 42 | + |
| 43 | +```java |
| 44 | +socket = new Socket(); |
| 45 | +socket.on(Socket.EVENT_OPEN, new Emitter.Listener() { |
| 46 | + @Override |
| 47 | + public void call(Object... args) { |
| 48 | + // send binary data |
| 49 | + byte[] data = new byte[42]; |
| 50 | + socket.send(data); |
| 51 | + } |
| 52 | +}).on(Socket.EVENT_MESSAGE, new Emitter.Listener() { |
| 53 | + @Override |
| 54 | + public void call(Object... args) { |
| 55 | + // receive binary data |
| 56 | + byte[] data = (byte[])args[0]; |
| 57 | + } |
| 58 | +}); |
| 59 | +``` |
| 60 | + |
| 61 | +Use custom SSL settings: |
| 62 | + |
| 63 | +```java |
| 64 | +OkHttpClient okHttpClient = new OkHttpClient.Builder() |
| 65 | + .hostnameVerifier(myHostnameVerifier) |
| 66 | + .sslSocketFactory(mySSLContext.getSocketFactory(), myX509TrustManager) |
| 67 | + .build(); |
| 68 | + |
| 69 | +// default SSLContext for all sockets |
| 70 | +Socket.setDefaultOkHttpWebSocketFactory(okHttpClient); |
| 71 | +Socket.setDefaultOkHttpCallFactory(okHttpClient); |
| 72 | + |
| 73 | +// set as an option |
| 74 | +opts = new Socket.Options(); |
| 75 | +opts.callFactory = okHttpClient; |
| 76 | +opts.webSocketFactory = okHttpClient; |
| 77 | +socket = new Socket(opts); |
| 78 | +``` |
| 79 | + |
| 80 | +## Features |
| 81 | + |
| 82 | +This library supports all of the features the JS client does, including events, options and upgrading transport. Android is fully supported. |
0 commit comments