basic.BasicExample.java Source code

Introduction

Here is the source code for basic.BasicExample.java

Source

package basic;

/*
 * socket.io-java-client Test.java
 *
 * Copyright (c) 2012, Enno Boland
 * socket.io-java-client is a implementation of the socket.io protocol in Java.
 * 
 * See LICENSE file for more information
 */
import io.socket.IOAcknowledge;
import io.socket.IOCallback;
import io.socket.SocketIO;
import io.socket.SocketIOException;

import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonPrimitive;
import com.google.gson.JsonSyntaxException;

public class BasicExample implements IOCallback {
    private SocketIO socket;

    /**
     * @param args
     */
    public static void main(String[] args) {
        try {
            new BasicExample();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public BasicExample() throws Exception {
        socket = new SocketIO();
        socket.connect("http://127.0.0.1:3001/", this);

        // Sends a string to the server.
        socket.send("Hello Server");

        // Sends a JSON object to the server.
        JsonObject json = new JsonObject();

        json.add("key", new JsonPrimitive("value"));
        json.add("key2", new JsonPrimitive("another value"));
        socket.send(json);

        // Emits an event to the server.
        socket.emit("event", "argument1", "argument2", 13.37);
    }

    @Override
    public void onMessage(JsonElement json, IOAcknowledge ack) {
        try {
            System.out.println("Server said:" + json.toString());
        } catch (JsonSyntaxException e) {
            e.printStackTrace();
        }
    }

    @Override
    public void onMessage(String data, IOAcknowledge ack) {
        System.out.println("Server said: " + data);
    }

    @Override
    public void onError(SocketIOException socketIOException) {
        System.out.println("an Error occured");
        socketIOException.printStackTrace();
    }

    @Override
    public void onDisconnect() {
        System.out.println("Connection terminated.");
    }

    @Override
    public void onConnect() {
        System.out.println("Connection established");
    }

    @Override
    public void on(String event, IOAcknowledge ack, JsonElement... args) {
        System.out.println("Server triggered event '" + event + "'");
    }
}