79 lines
1.8 KiB
Markdown
79 lines
1.8 KiB
Markdown
# Socket.IO-client.java
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[](https://travis-ci.org/nkzawa/socket.io-client.java)
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This is the Socket.IO v1.0 Client Library for Java, which is simply ported from the [JavaScript client](https://github.com/LearnBoost/socket.io-client).
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See also: [Engine.IO-client.java](https://github.com/nkzawa/engine.io-client.java)
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## Usage
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Socket.IO-client.java has almost the same api and features with the original JS client. You use `IO#socket` to initialize `Socket`:
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```java
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socket = IO.socket("http://localhost");
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socket.on(Socket.EVENT_CONNECT, new Emitter.Listener() {
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@Override
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public void call(Object... args) {
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socket.emit("foo", "hi");
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socket.disconnect();
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}
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}).on("event", new Emitter.Listener() {
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@Override
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public void call(Object... args) {}
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}).on(Socket.EVENT_DISCONNECT, new Emitter.Listener() {
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@Override
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public void call(Object... args) {}
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});
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socket.connect();
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```
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This Library uses [org.json](http://www.json.org/java/) to parse and compose JSON strings:
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```java
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// Sending an object
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JSONObject obj = new JSONObject();
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obj.put("hello", "server");
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socket.emit("foo", obj);
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// Receiving an object
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socket.on("foo", new Emitter.Listener() {
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@Override
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public void call(Object... args) {
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JSONObject obj = (JSONObject)args[0];
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}
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});
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```
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Options are supplied as follows:
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```java
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IO.Options opts = new IO.Options();
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opts.forceNew = true;
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opts.reconnection = false;
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socket = IO.socket("http://localhost", opts);
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```
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You can get a callback with `Ack` when the server received a message:
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```java
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socket.emit("foo", "woot", new Ack() {
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@Override
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public void call(Object... args) {}
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});
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```
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See the Javadoc for more details.
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http://nkzawa.github.io/socket.io-client.java/apidocs/
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## License
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MIT
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