Ex2: WoTServer.java
| WoTServer.java |
1 /* 2 * WoTServer.java 3 * 4 * Created on Apr 23, 2010 4:43:14 PM; 5 */ 6 7 package org.sunspotworld.demo; 8 9 import com.sun.spot.wot.NanoAppServer; 10 import com.sun.spot.wot.TCP6Handler; 11 import com.sun.spot.wot.UDP6Handler; 12 import com.sun.spot.peripheral.ISleepManager; 13 import com.sun.spot.peripheral.Spot; 14 import com.sun.spot.resources.Resources; 15 import com.sun.spot.resources.transducers.ISwitch; 16 import java.io.IOException; 17 import javax.microedition.midlet.MIDlet; 18 import javax.microedition.midlet.MIDletStateChangeException; 19 20 /** 21 * The startApp method of this class is called by the VM to start the 22 * application. 23 * 24 * The manifest specifies this class as MIDlet-1, which means it will 25 * be selected for execution. 26 */ 27 public class WoTServer extends MIDlet { 28 protected void startApp() throws MIDletStateChangeException { 29 30 try { 31 // Deep sleep is disabled for this exercise so the SPOTs are 32 // always reachable from the Gateway 33 System.out.println("***** Disabling deep sleep *****"); 34 ISleepManager sleepManager = Spot.getInstance().getSleepManager(); 35 sleepManager.disableDeepSleep(); 36 // This will make sure the SPOT is configured as an ENDNODE the next time it is rebooted. 37 Spot.getInstance().setPersistentProperty("spot.mesh.routing.enable", "ENDNODE"); 38 39 // We create an instance of the NanoAppServer and register 40 // web applications mapped to specific parts of the server's 41 // URL space 42 NanoAppServer nas = new NanoAppServer(); 43 44 // Pre-existing services include the following ... 45 // ... this one returns status information (e.g. battery, uptime) 46 nas.registerApp("/status", new Status("n=Status\nsh=s\nd=http://bit.ly/8YtWQE")); 47 // ... this one can be used to read/create/modify SPOT properties 48 // We'll use this to set the spot.name property which assigns 49 // a name to the SPOT. Note that one can associate meta information 50 // with a Web Application by passing a string of Java properties 51 // Here, the name is "Properties manager", the short URL is p 52 // i.e. the application can be accessed at /props as well as /p, 53 // and the URL for the description is http://bit.ly/aa8iOZ 54 nas.registerApp("/props", new PropertiesManager("n=Properties\nsh=p\nd=http://bit.ly/aa8iOZ")); 55 // ... this one can be used to blink LEDs (useful to physically 56 // locate a SPOT with known Id) 57 nas.registerApp("/blink", new Blinker("n=Blink LEDs\nsh=b\nd=http://bit.ly/bPAzq1")); 58 59 // For this hands-on-lab, we will create two additional web 60 // applications. The first will allow us to access the light sensor 61 // reading using an HTTP GET. The second will allow us to retrieve 62 // and monitor the LED settings via HTTP GETs and PUTs. 63 /* 64 * XXX Uncomment these lines after you've fully implemented the 65 * application. Replace xxxx in the realm specification with the 66 * last 4 hex digits of your SPOT. 67 */ 68 // nas.registerApp("/light", new HOLLightSensor("n=Light sensor\nd=http://bit.ly/aLqyNA")); 69 // nas.registerApp("/leds", new HOLLEDController("n=LED control\nd=http://bit.ly/9C3rlP\nrealm=spot-xxxx")); 70 71 if (WoTConstants.SVC_CONNECTION_TYPE.equals("udp")) { 72 new UDP6Handler(WoTConstants.TCP_UDP_SVCPORT, nas).start(); 73 } else { 74 new TCP6Handler(WoTConstants.TCP_UDP_SVCPORT, nas).start(); 75 } 76 77 System.out.println("Registering switch listener ..."); 78 ISwitch sw = (ISwitch) Resources.lookup(ISwitch.class, "SW2"); 79 sw.addISwitchListener(new SwitchListener()); 80 81 if (WoTConstants.AUTO_DISCOVERY) { 82 DiscoveryHandler dh = new DiscoveryHandler(); 83 dh.start(); 84 System.out.println("Adding deep sleep listener ..."); 85 Spot.getInstance().addDeepSleepListener(dh); 86 } else { 87 System.out.println("***** Autodiscovery is turned off *****"); 88 } 89 //new SPOTRHTTPHandler("http://sensor.network.com:1234/warn", nas).start(); 90 91 // *** Do not use these for the Hands-on-lab at JavaOne 2010 *** 92 // and a few other to access temperature, energy, memory and app 93 // information 94 // nas.registerApp("/temp", new TempSensor("n=Access temperature readings\nsh=t\nd=http://bit.ly/azWwbW")); 95 // nas.registerApp("/mem", new MemorySensor("n=Access Memory information\nsh=m\nd=http://bit.ly/boIMfV")); 96 // nas.registerApp("/energy", new EnergySensor("n=Access energy information\nd=http://bit.ly/9hA5Ai")); 97 // nas.registerApp("/apps", new AppManager("n=Application manager\nd=http://bit.ly/b7Jdrv")); 98 // nas.setDefaultApp(new DefaultApp("n=Default app")); 99 // // This is the original app for LED control (finer grained) 100 // nas.registerApp("/leds", new LEDController("n=Monitor/control LEDs\nd=http://bit.ly/9C3rlP\nrealm=LEDLord")); 101 102 } catch (IOException ex) { 103 ex.printStackTrace(); 104 } 105 } 106 107 protected void pauseApp() { 108 } 109 110 protected void destroyApp(boolean unconditional) throws MIDletStateChangeException { 111 } 112 } 113