Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package Haze; import Dengue.CDengueFactory; import Entity.CDengueCluster; import Network.CNetworkFactory; import java.io.BufferedReader; import java.io.IOException; import java.io.Reader; import java.io.Writer; import java.net.InetAddress; import java.net.Socket; import java.nio.channels.Channels; import java.nio.charset.StandardCharsets; import java.util.ArrayList; import java.util.List; import java.util.concurrent.Executors; import java.util.concurrent.ScheduledExecutorService; import java.util.concurrent.TimeUnit; import org.json.JSONArray; import org.json.JSONObject; import org.json.XML; /** * * @author Bryden */ public class CHazeManager { private static final ScheduledExecutorService objScheduler = Executors.newScheduledThreadPool(1); public static void schedulePolling() { final Runnable poller = () -> { loadHazeInfo(); }; objScheduler.scheduleAtFixedRate(poller, 0, 30, TimeUnit.MINUTES); } public static void loadHazeInfo() { String strOutput = ""; try { strOutput = CNetworkFactory.createHazeRequest().sendRequest(); } catch (IOException ex) { } if (strOutput.isEmpty()) { return; } JSONArray aryRegions = XML.toJSONObject(strOutput).getJSONObject("channel").getJSONObject("item") .getJSONArray("region"); StringBuilder objSB = new StringBuilder(); objSB.append("["); for (int i = 0; i < aryRegions.length(); i++) { objSB.append("{\"region\" : "); JSONObject objRegion = (JSONObject) aryRegions.get(i); objSB.append("\""); objSB.append(objRegion.getString("id")); objSB.append("\","); JSONArray aryReadings = objRegion.getJSONObject("record").getJSONArray("reading"); for (int x = 0; x < aryReadings.length(); x++) { JSONObject objReading = (JSONObject) aryReadings.get(x); if (objReading.getString("type").equalsIgnoreCase("NPSI")) { objSB.append("\"psi\" : "); objSB.append(objReading.getInt("value")); objSB.append("},"); } } } objSB.deleteCharAt(objSB.lastIndexOf(",")); objSB.append("]"); sendInfoToCPU(objSB.toString(), 33010); } private static void sendInfoToCPU(String pStrJSON, int pIntPort) { new Thread(() -> { try (Socket client = new Socket(InetAddress.getLocalHost(), pIntPort)) { Writer objWriter = Channels.newWriter(Channels.newChannel(client.getOutputStream()), StandardCharsets.US_ASCII.name()); objWriter.write(pStrJSON); objWriter.flush(); client.shutdownOutput(); try (Reader objReader = Channels.newReader(Channels.newChannel(client.getInputStream()), StandardCharsets.US_ASCII.name()); BufferedReader objOutReader = new BufferedReader(objReader)) { System.out.println((char) objOutReader.read()); } } catch (IOException e) { System.out.println(e); } }).start(); } }