ArduinoSimulator.java

/*
 * Copyright 2013, Cristiano Costantini, Giuseppe Gerla, Michele Ficarra, Sergio Ciampi, Stefano
 * Cigheri.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.developers.gdgfirenze.mockep;

import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.Random;

/**
 * The Class ArduinoSimulator.
 * 
 * It simulates the messages sent by the arduino sensormix project.
 */
public class ArduinoSimulator {

  public static void main(String[] args) throws IOException, InterruptedException {

    Random rand = new Random();
    sendData("{ 'sensor' : {'id':'urn:rixf:org.arduino/sensor_id', "
        + "type : 'urn:rixf:net.sensormix/device_types/arduino', "
        + "name: 'Arduino', description : 'Rev. 1.03, Temp and Light sensors'}}");
    while (true) {
      String data =
          "{ 'sample' : {'device_id':'urn:rixf:org.arduino/sensor_id', 'temp': '"
              + rand.nextDouble() + "', 'lux': '" + rand.nextDouble() + "'} }";
      sendData(data);
      Thread.sleep(10000);
    }
  }

  private static void sendData(String data) throws SocketException, UnknownHostException,
    IOException {
    DatagramSocket clientSocket = new DatagramSocket();
    InetAddress ipAddress = InetAddress.getByName("localhost");

    byte[] sendData = data.getBytes();
    DatagramPacket sendPacket = new DatagramPacket(sendData, sendData.length, ipAddress, 10081);
    clientSocket.send(sendPacket);
    clientSocket.close();
  }

}