fix bugs location and accelerometer

components/iot-plugins/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.agent/app/src/main/java/org/wso2/carbon/iot/android/sense/data/publisher/DataPublisherService.java

@@ -29,6 +29,8 @@ import org.wso2.carbon.iot.android.sense.data.publisher.mqtt.transport.MQTTTrans
 import org.wso2.carbon.iot.android.sense.data.publisher.mqtt.transport.TransportHandlerException;
 import org.wso2.carbon.iot.android.sense.constants.SenseConstants;
 import org.wso2.carbon.iot.android.sense.event.streams.Location.LocationData;
+import org.wso2.carbon.iot.android.sense.event.streams.Location.LocationDataReader;
+
 import org.wso2.carbon.iot.android.sense.event.streams.Sensor.SensorData;
 import org.wso2.carbon.iot.android.sense.event.streams.battery.BatteryData;
 import org.wso2.carbon.iot.android.sense.speech.detector.util.ProcessWords;
@@ -50,6 +52,7 @@ public class DataPublisherService extends Service {
     private static String VALUE_TAG = "value";
     public static Context context;
 
+    LocationData gps;
 
     @Nullable
     @Override
@@ -66,64 +69,74 @@ public class DataPublisherService extends Service {
             public void run() {
                 try {
                     List<Event> events = new ArrayList<>();
-                    //retreive sensor data.
+                    //retrieve sensor data.
                     List<SensorData> sensorDataMap = SenseDataHolder.getSensorDataHolder();
-                    for (SensorData sensorData : sensorDataMap) {
-                        Event event = new Event();
-                        event.setTimestamp(sensorData.getTimestamp());
-                        switch (sensorData.getSensorType()) {
-                            case Sensor.TYPE_ACCELEROMETER:
-                                event.setAccelerometer(sensorData.getSensorValues());
-                                events.add(event);
-                                break;
-                            case Sensor.TYPE_MAGNETIC_FIELD:
-                                event.setMagnetic(sensorData.getSensorValues());
-                                events.add(event);
-                                break;
-                            case Sensor.TYPE_GYROSCOPE:
-                                event.setGyroscope(sensorData.getSensorValues());
-                                events.add(event);
-                                break;
-                            case Sensor.TYPE_LIGHT:
-                                event.setLight(sensorData.getSensorValues()[0]);
-                                break;
-                            case Sensor.TYPE_PRESSURE:
-                                event.setPressure(sensorData.getSensorValues()[0]);
-                                events.add(event);
-                                break;
-                            case Sensor.TYPE_PROXIMITY:
-                                event.setProximity(sensorData.getSensorValues()[0]);
-                                events.add(event);
-                                break;
-                            case Sensor.TYPE_GRAVITY:
-                                event.setGravity(sensorData.getSensorValues());
-                                events.add(event);
-                                break;
-                            case Sensor.TYPE_GAME_ROTATION_VECTOR:
-                                event.setRotation(sensorData.getSensorValues());
-                                events.add(event);
-                                break;
+                    if (!sensorDataMap.isEmpty()) {
+                        for (SensorData sensorData : sensorDataMap) {
+                            Event event = new Event();
+                            event.setTimestamp(sensorData.getTimestamp());
+                            switch (sensorData.getSensorType()) {
+                                case Sensor.TYPE_ACCELEROMETER:
+                                    event.setAccelerometer(sensorData.getSensorValues());
+                                    events.add(event);
+                                    break;
+                                case Sensor.TYPE_MAGNETIC_FIELD:
+                                    event.setMagnetic(sensorData.getSensorValues());
+                                    events.add(event);
+                                    break;
+                                case Sensor.TYPE_GYROSCOPE:
+                                    event.setGyroscope(sensorData.getSensorValues());
+                                    events.add(event);
+                                    break;
+                                case Sensor.TYPE_LIGHT:
+                                    event.setLight(sensorData.getSensorValues()[0]);
+                                    break;
+                                case Sensor.TYPE_PRESSURE:
+                                    event.setPressure(sensorData.getSensorValues()[0]);
+                                    events.add(event);
+                                    break;
+                                case Sensor.TYPE_PROXIMITY:
+                                    event.setProximity(sensorData.getSensorValues()[0]);
+                                    events.add(event);
+                                    break;
+                                case Sensor.TYPE_GRAVITY:
+                                    event.setGravity(sensorData.getSensorValues());
+                                    events.add(event);
+                                    break;
+                                case Sensor.TYPE_GAME_ROTATION_VECTOR:
+                                    event.setRotation(sensorData.getSensorValues());
+                                    events.add(event);
+                                    break;
+                            }
                         }
                     }
                     SenseDataHolder.resetSensorDataHolder();
 
-                    //retreive batter data.
+                    //retrieve batter data.
                     List<BatteryData> batteryDataMap = SenseDataHolder.getBatteryDataHolder();
-                    for (BatteryData batteryData : batteryDataMap) {
-                        Event event = new Event();
-                        event.setTimestamp(batteryData.getTimestamp());
-                        event.setBattery(batteryData.getLevel());
-                        events.add(event);
+
+                    if (!batteryDataMap.isEmpty()) {
+
+                        for (BatteryData batteryData : batteryDataMap) {
+                            Event event = new Event();
+                            event.setTimestamp(batteryData.getTimestamp());
+                            event.setBattery(batteryData.getLevel());
+                            events.add(event);
+                        }
+
                     }
                     SenseDataHolder.resetBatteryDataHolder();
-                    //retreive location data.
+                    //retrieve location data.
                     List<LocationData> locationDataMap = SenseDataHolder.getLocationDataHolder();
-                    for (LocationData locationData : locationDataMap) {
-                        Event event = new Event();
-                        event.setTimestamp(locationData.getTimeStamp());
-                        event.setGps(new double[]{locationData.getLatitude(), locationData.getLongitude()});
-                        events.add(event);
-                    }
+
+                    if (!locationDataMap.isEmpty()) {
+                        for (LocationData locationData : locationDataMap) {
+                            Event event = new Event();
+                            event.setTimestamp(locationData.getTimeStamp());
+                            event.setGps(new double[]{locationData.getLatitude(), locationData.getLongitude()});
+                            events.add(event);
+                        }
+                     }
                     SenseDataHolder.resetLocationDataHolder();
 
                     //retrieve words
@@ -158,13 +171,19 @@ public class DataPublisherService extends Service {
                             event.setDeviceId(deviceId);
                             jsonArray.put(new JSONObject().put("event", event.getEvent()));
                         }
+
                         MQTTTransportHandler mqttTransportHandler = AndroidSenseMQTTHandler.getInstance(context);
                         if (!mqttTransportHandler.isConnected()) {
                             mqttTransportHandler.connect();
                         }
-                        String topic = LocalRegistry.getTenantDomain(context) + "/" + SenseConstants
-                                .DEVICE_TYPE + "/" + deviceId + "/data";
-                        mqttTransportHandler.publishDeviceData(user, deviceId, jsonArray.toString(), topic);
+
+
+                                String topic = "wso2/" + LocalRegistry.getTenantDomain(context) + "/" + SenseConstants
+                                        .DEVICE_TYPE + "/" + deviceId + "/data";
+                                mqttTransportHandler.publishDeviceData(user, deviceId, jsonArray.toString(), topic);
+
+
+
                     }
                 } catch (JSONException e) {
                     Log.e(TAG, "Json Data Parsing Exception", e);

components/iot-plugins/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.agent/app/src/main/java/org/wso2/carbon/iot/android/sense/data/publisher/Event.java

@@ -2,6 +2,9 @@ package org.wso2.carbon.iot.android.sense.data.publisher;
 
 import org.json.JSONException;
 import org.json.JSONObject;
+import org.wso2.carbon.iot.android.sense.event.streams.Location.LocationData;
+import android.util.Log;
+
 
 /**
  * This hold the definition of the stream that android sense is publishing to.
@@ -26,8 +29,11 @@ public class Event {
     private String wordStatus;
     private long timestamp;
 
+    private static final String TAG = Event.class.getName();
+    LocationData  gpsLoc;
+
     private int getBattery() {
-        return battery;
+        return this.battery;
     }
 
     public void setBattery(int battery) {
@@ -36,7 +42,8 @@ public class Event {
     }
 
     private double[] getGps() {
-        return gps != null ? gps : new double[]{0, 0};
+
+        return gps != null ? this.gps : new double[]{gps[0],gps[1]};
     }
 
     public void setGps(double[] gps) {
@@ -45,7 +52,7 @@ public class Event {
     }
 
     private float[] getAccelerometer() {
-        return accelerometer != null ? accelerometer : new float[]{0, 0, 0};
+        return this.accelerometer != null ? this.accelerometer : new float[]{0, 0, 0};
     }
 
     public void setAccelerometer(float[] accelerometer) {
@@ -54,7 +61,7 @@ public class Event {
     }
 
     private float[] getMagnetic() {
-        return magnetic != null ? magnetic : new float[]{0, 0, 0};
+        return this.magnetic != null ? this.magnetic : new float[]{0, 0, 0};
     }
 
     public void setMagnetic(float[] magnetic) {
@@ -63,7 +70,7 @@ public class Event {
     }
 
     private float[] getGyroscope() {
-        return gyroscope != null ? gyroscope : new float[]{0, 0, 0};
+        return this.gyroscope != null ? this.gyroscope : new float[]{0, 0, 0};
     }
 
     public void setGyroscope(float[] gyroscope) {
@@ -72,7 +79,7 @@ public class Event {
     }
 
     public float getLight() {
-        return light;
+        return this.light;
     }
 
     public void setLight(float light) {
@@ -81,7 +88,7 @@ public class Event {
     }
 
     public float getPressure() {
-        return pressure;
+        return this.pressure;
     }
 
     public void setPressure(float pressure) {
@@ -90,7 +97,7 @@ public class Event {
     }
 
     public float getProximity() {
-        return proximity;
+        return this.proximity;
     }
 
     public void setProximity(float proximity) {
@@ -99,7 +106,7 @@ public class Event {
     }
 
     private float[] getGravity() {
-        return gravity != null ? gravity : new float[]{0, 0, 0};
+        return this.gravity != null ? this.gravity : new float[]{0, 0, 0};
     }
 
     public void setGravity(float gravity[]) {
@@ -108,7 +115,7 @@ public class Event {
     }
 
     private float[] getRotation() {
-        return rotation != null ? rotation : new float[]{0, 0, 0};
+        return this.rotation != null ? this.rotation : new float[]{0, 0, 0};
     }
 
     public void setRotation(float rotation[]) {
@@ -125,7 +132,7 @@ public class Event {
     }
 
     private String getWord() {
-        return word != null ? word : "";
+        return this.word != null ? this.word : "";
     }
 
     public void setWord(String word) {
@@ -176,44 +183,60 @@ public class Event {
 
         JSONObject jsonPayloadData = new JSONObject();
         jsonPayloadData.put("battery", getBattery());
-        //gps
-        double gpsEvents[] = getGps();
-        jsonPayloadData.put("gps_lat", gpsEvents[0]);
-        jsonPayloadData.put("gps_long", gpsEvents[1]);
-        //acceleromter
-        float events[] = getAccelerometer();
-        jsonPayloadData.put("accelerometer_x", events[0]);
-        jsonPayloadData.put("accelerometer_y", events[1]);
-        jsonPayloadData.put("accelerometer_z", events[2]);
+        //gps & accelerometer
+
+        if (gps !=null && accelerometer !=null) {
+            jsonPayloadData.put("gps_lat", gps[0]);
+            jsonPayloadData.put("gps_long", gps[1]);
+
+            jsonPayloadData.put("accelerometer_x", accelerometer[0]);
+            jsonPayloadData.put("accelerometer_y", accelerometer[1]);
+            jsonPayloadData.put("accelerometer_z", accelerometer[2]);
+        }
+
+
         //magnetic
-        events = getMagnetic();
-        jsonPayloadData.put("magnetic_x", events[0]);
-        jsonPayloadData.put("magnetic_y", events[1]);
-        jsonPayloadData.put("magnetic_z", events[2]);
+        //events = getMagnetic();
+        if (magnetic !=null) {
+            jsonPayloadData.put("magnetic_x", magnetic[0]);
+            jsonPayloadData.put("magnetic_y", magnetic[1]);
+            jsonPayloadData.put("magnetic_z", magnetic[2]);
+        }
         //gyroscope
-        events = getGyroscope();
-        jsonPayloadData.put("gyroscope_x", events[0]);
-        jsonPayloadData.put("gyroscope_y", events[1]);
-        jsonPayloadData.put("gyroscope_z", events[2]);
+        //events = getGyroscope();
+
+        if (gyroscope != null) {
+            jsonPayloadData.put("gyroscope_x", gyroscope[0]);
+            jsonPayloadData.put("gyroscope_y", gyroscope[1]);
+            jsonPayloadData.put("gyroscope_z", gyroscope[2]);
+        }
+
 
         jsonPayloadData.put("light", getLight());
+
         jsonPayloadData.put("pressure", getPressure());
         jsonPayloadData.put("proximity", getProximity());
         //gravity
-        events = getGravity();
-        jsonPayloadData.put("gravity_x", events[0]);
-        jsonPayloadData.put("gravity_y", events[1]);
-        jsonPayloadData.put("gravity_z", events[2]);
+        //events = getGravity();
+        if (gravity!=null) {
+            jsonPayloadData.put("gravity_x", gravity[0]);
+            jsonPayloadData.put("gravity_y", gravity[1]);
+            jsonPayloadData.put("gravity_z", gravity[2]);
+        }
         //rotation
-        events = getRotation();
-        jsonPayloadData.put("rotation_x", events[0]);
-        jsonPayloadData.put("rotation_y", events[1]);
-        jsonPayloadData.put("rotation_z", events[2]);
+        //events = getRotation();
+        if (rotation!=null) {
+            jsonPayloadData.put("rotation_x", rotation[0]);
+            jsonPayloadData.put("rotation_y", rotation[1]);
+            jsonPayloadData.put("rotation_z", rotation[2]);
+        }
         //word
         jsonPayloadData.put("word", getWord());
         jsonPayloadData.put("word_sessionId", getWordSessionId());
         jsonPayloadData.put("word_status", getWordStatus());
 
+
+
         jsonEvent.put("payloadData", jsonPayloadData);
 
         return jsonEvent;

components/iot-plugins/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.agent/app/src/main/java/org/wso2/carbon/iot/android/sense/data/publisher/mqtt/transport/MQTTTransportHandler.java

@@ -77,7 +77,7 @@ public abstract class MQTTTransportHandler implements MqttCallback, TransportHan
         String username = LocalRegistry.getUsername(context);
         String deviceId = LocalRegistry.getDeviceId(context);
         this.clientId = deviceId + ":" + SenseConstants.DEVICE_TYPE;
-        this.subscribeTopic = LocalRegistry.getTenantDomain(context)+ "/" + SenseConstants.DEVICE_TYPE + "/" +
+        this.subscribeTopic = "wso2/" + LocalRegistry.getTenantDomain(context)+ "/" + SenseConstants.DEVICE_TYPE + "/" +
                 deviceId + "/command/#";
         this.clientWillTopic = DISCONNECTION_WILL_TOPIC_PREFIX + SenseConstants.DEVICE_TYPE;
         this.mqttBrokerEndPoint = LocalRegistry.getMqttEndpoint(context);

components/iot-plugins/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.agent/app/src/main/java/org/wso2/carbon/iot/android/sense/event/streams/Location/LocationDataReader.java

@@ -23,75 +23,101 @@ import org.wso2.carbon.iot.android.sense.event.streams.DataReader;
 import org.wso2.carbon.iot.android.sense.util.SenseDataHolder;
 import java.util.concurrent.TimeUnit;
 
+
+
+
 /**
  * This is used to retrieve the location data using GPS and used Network connection to increase the accuracy.
  */
 public class LocationDataReader extends DataReader implements LocationListener {
     protected LocationManager locationManager;
-    private Context mContext;
+    private final Context mContext;
+
+    LocationData gps;
+
+    // flag for GPS status
+    private boolean isGPSEnabled = false;
+
+    // flag for network status
+    private boolean isNetworkEnabled = false;
+
+    // flag for GPS status
     private boolean canGetLocation = false;
+    //private boolean canGetLocation = false;
     private static final String TAG = LocationDataReader.class.getName();
 
     Location location; // location
     double latitude; // latitude
     double longitude; // longitude
 
+    // The minimum distance to change Updates in meters
+    private static final long MIN_DISTANCE_CHANGE_FOR_UPDATES = 10; // 10 meters
+
+    // The minimum time between updates in milliseconds
+    private static final long MIN_TIME_BW_UPDATES = 1000 * 60 * 1; // 1 minute
+
     public LocationDataReader(Context context) {
-        mContext = context;
+        this.mContext = context;
         getLocation();
     }
 
     public Location getLocation() {
-        locationManager = (LocationManager) mContext.getSystemService(mContext.LOCATION_SERVICE);
-
-        // getting GPS status
-        boolean isGPSEnabled = locationManager
-                .isProviderEnabled(LocationManager.GPS_PROVIDER);
-
-        // getting network status
-        boolean isNetworkEnabled = locationManager
-                .isProviderEnabled(LocationManager.NETWORK_PROVIDER);
-
-        if (!isGPSEnabled && !isNetworkEnabled) {
-            // no network provider is enabled
-        } else {
-            this.canGetLocation = true;
-            // First get location from Network Provider
-            if (isNetworkEnabled) {
-                locationManager.requestLocationUpdates(
-                        LocationManager.NETWORK_PROVIDER, 0, 0, this);
-                // MIN_TIME_BW_UPDATES,
-                // MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
-
-                if (locationManager != null) {
-                    location = locationManager
-                            .getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
-                    if (location != null) {
-                        latitude = location.getLatitude();
-                        longitude = location.getLongitude();
-                    }
-                }
-            }
-            // if GPS Enabled get lat/long using GPS Services
-            if (isGPSEnabled) {
-                if (location == null) {
-                    locationManager.requestLocationUpdates(
-                            LocationManager.GPS_PROVIDER, 0, 0, this);
-                    //MIN_TIME_BW_UPDATES,
-                    //MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
+        try {
+
+            locationManager = (LocationManager) mContext
+                    .getSystemService(mContext.LOCATION_SERVICE);
 
-                    Log.d(TAG, "GPS Enabled");
+            // getting GPS status
+            isGPSEnabled = locationManager
+                    .isProviderEnabled(LocationManager.GPS_PROVIDER);
+
+            // getting network status
+            isNetworkEnabled = locationManager
+                    .isProviderEnabled(LocationManager.NETWORK_PROVIDER);
+
+            if (!isGPSEnabled && !isNetworkEnabled) {
+                // no network provider is enabled
+            } else {
+                this.canGetLocation = true;
+                if (isNetworkEnabled) {
+                    locationManager.requestLocationUpdates(
+                            LocationManager.NETWORK_PROVIDER,
+                            MIN_TIME_BW_UPDATES,
+                            MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
+                    Log.d("Network", "Network");
                     if (locationManager != null) {
                         location = locationManager
-                                .getLastKnownLocation(LocationManager.GPS_PROVIDER);
+                                .getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
                         if (location != null) {
                             latitude = location.getLatitude();
                             longitude = location.getLongitude();
                         }
                     }
                 }
+                // if GPS Enabled get lat/long using GPS Services
+                if (isGPSEnabled) {
+                    if (location == null) {
+                        locationManager.requestLocationUpdates(
+                                LocationManager.GPS_PROVIDER,
+                                MIN_TIME_BW_UPDATES,
+                                MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
+                        Log.d("GPS Enabled", "GPS Enabled");
+                        if (locationManager != null) {
+                            location = locationManager
+                                    .getLastKnownLocation(LocationManager.GPS_PROVIDER);
+                            if (location != null) {
+                                latitude = location.getLatitude();
+                                longitude = location.getLongitude();
+                            }
+                        }
+                    }
+                }
             }
+
+        } catch (Exception e) {
+            e.printStackTrace();
         }
+
         return location;
     }
 
@@ -148,6 +174,7 @@ public class LocationDataReader extends DataReader implements LocationListener {
 
     }
 
+
     @Override
     public void run() {
         Log.d(TAG, "running -Location");
@@ -155,8 +182,16 @@ public class LocationDataReader extends DataReader implements LocationListener {
             TimeUnit.MILLISECONDS.sleep(10000);
             double lat = getLatitude();
             double longit = getLongitude();
+
+
+
             if (lat != 0 && longit != 0) {
-                SenseDataHolder.getLocationDataHolder().add(new LocationData(getLatitude(), getLongitude()));
+                Log.d(TAG, "YYY " + getLatitude() + ", XXX " +  getLongitude());
+
+                gps = new LocationData(getLatitude(), getLongitude());
+
+                SenseDataHolder.getLocationDataHolder().add(gps);
+
             }
         } catch (InterruptedException e) {
             // Restore the interrupted status

components/iot-plugins/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.agent/app/src/main/java/org/wso2/carbon/iot/android/sense/event/streams/Sensor/SensorDataReader.java

@@ -97,8 +97,8 @@ public class SensorDataReader extends DataReader implements SensorEventListener
     @Override
     public void run() {
         Log.d(TAG, "running -sensorDataMap");
-        Vector<SensorData> sensorDatas = getSensorData();
-        for (SensorData data : sensorDatas) {
+        Vector<SensorData> sensorDetails = getSensorData();
+        for (SensorData data : sensorDetails) {
             SenseDataHolder.getSensorDataHolder().add(data);
         }
     }

components/iot-plugins/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.agent/app/src/main/java/org/wso2/carbon/iot/android/sense/util/SenseDataHolder.java

@@ -17,9 +17,10 @@ import org.wso2.carbon.iot.android.sense.event.streams.Location.LocationData;
 import org.wso2.carbon.iot.android.sense.event.streams.Sensor.SensorData;
 import org.wso2.carbon.iot.android.sense.event.streams.battery.BatteryData;
 import org.wso2.carbon.iot.android.sense.speech.detector.util.WordData;
-
 import java.util.List;
 import java.util.concurrent.CopyOnWriteArrayList;
+import android.util.Log;
+
 
 /**
  * This holds the sensor,battery and location data inmemory.
@@ -31,6 +32,12 @@ public class SenseDataHolder {
     private static List<LocationData> locationDataHolder;
     private static List<WordData> wordDataHolder;
 
+    //LocationData gps;
+
+
+    private static final String TAG = SenseDataHolder.class.getName();
+
+
     public static List<SensorData> getSensorDataHolder(){
         if(sensorDataHolder == null){
             sensorDataHolder = new CopyOnWriteArrayList<>();
@@ -46,10 +53,14 @@ public class SenseDataHolder {
     }
 
     public static List<LocationData> getLocationDataHolder(){
+
+
         if(locationDataHolder == null){
+
             locationDataHolder = new CopyOnWriteArrayList<>();
         }
-        return locationDataHolder;
+            return locationDataHolder;
+
     }
 
     public static List<WordData> getWordDataHolder(){

components/iot-plugins/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.agent/build.gradle

@@ -6,7 +6,7 @@ buildscript {
         maven { url 'https://repo.eclipse.org/content/repositories/paho-releases/' }
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.3.0'
+        classpath 'com.android.tools.build:gradle:2.1.0'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files

components/iot-plugins/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.agent/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Fri Dec 11 10:25:01 IST 2015
+#Wed May 11 14:40:10 IST 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.10-all.zip