added expiration time of application access token

components/device-types/arduino-plugin/org.wso2.carbon.device.mgt.iot.arduino.api/src/main/java/org/wso2/carbon/device/mgt/iot/arduino/service/impl/ArduinoServiceImpl.java

@@ -226,7 +226,8 @@ public class ArduinoServiceImpl implements ArduinoService {
             APIManagementProviderService apiManagementProviderService = APIUtil.getAPIManagementProviderService();
             String[] tags = {ArduinoConstants.DEVICE_TYPE};
             apiApplicationKey = apiManagementProviderService.generateAndRetrieveApplicationKeys(
-                    ArduinoConstants.DEVICE_TYPE, tags, KEY_TYPE, applicationUsername, true);
+                    ArduinoConstants.DEVICE_TYPE, tags, KEY_TYPE, applicationUsername, true,
+                    ArduinoConstants.APIM_APPLICATION_TOKEN_VALIDITY_PERIOD);
         }
         JWTClient jwtClient = APIUtil.getJWTClientManagerService().getJWTClient();
         String scopes = " device_" + deviceId;

components/device-types/arduino-plugin/org.wso2.carbon.device.mgt.iot.arduino.api/src/main/java/org/wso2/carbon/device/mgt/iot/arduino/service/impl/constants/ArduinoConstants.java

@@ -25,4 +25,6 @@ public class ArduinoConstants {
     //sensor events summerized table name
     public static final String TEMPERATURE_EVENT_TABLE = "DEVICE_TEMPERATURE_SUMMARY";
 
+    public static final String APIM_APPLICATION_TOKEN_VALIDITY_PERIOD = "3600";
+
 }

components/device-types/raspberrypi-plugin/org.wso2.carbon.device.mgt.iot.raspberrypi.api/src/main/java/org/wso2/carbon/device/mgt/iot/raspberrypi/service/impl/RaspberryPiServiceImpl.java

@@ -210,7 +210,8 @@ public class RaspberryPiServiceImpl implements RaspberryPiService {
             APIManagementProviderService apiManagementProviderService = APIUtil.getAPIManagementProviderService();
             String[] tags = {RaspberrypiConstants.DEVICE_TYPE};
             apiApplicationKey = apiManagementProviderService.generateAndRetrieveApplicationKeys(
-                    RaspberrypiConstants.DEVICE_TYPE, tags, KEY_TYPE, applicationUsername, true);
+                    RaspberrypiConstants.DEVICE_TYPE, tags, KEY_TYPE, applicationUsername, true,
+                    RaspberrypiConstants.APIM_APPLICATION_TOKEN_VALIDITY_PERIOD);
         }
         JWTClient jwtClient = APIUtil.getJWTClientManagerService().getJWTClient();
         String scopes = " device_" + deviceId;

components/device-types/raspberrypi-plugin/org.wso2.carbon.device.mgt.iot.raspberrypi.api/src/main/java/org/wso2/carbon/device/mgt/iot/raspberrypi/service/impl/constants/RaspberrypiConstants.java

@@ -31,4 +31,6 @@ public class RaspberrypiConstants {
     //mqtt tranport related constants
     public static final String MQTT_ADAPTER_TOPIC_PROPERTY_NAME = "mqtt.adapter.topic";
 
+    public static final String APIM_APPLICATION_TOKEN_VALIDITY_PERIOD = "3600";
+
 }

components/device-types/virtual-fire-alarm-plugin/org.wso2.carbon.device.mgt.iot.virtualfirealarm.api/src/main/java/org/wso2/carbon/device/mgt/iot/virtualfirealarm/service/impl/VirtualFireAlarmServiceImpl.java

@@ -309,7 +309,8 @@ public class VirtualFireAlarmServiceImpl implements VirtualFireAlarmService {
             APIManagementProviderService apiManagementProviderService = APIUtil.getAPIManagementProviderService();
             String[] tags = {VirtualFireAlarmConstants.DEVICE_TYPE};
             apiApplicationKey = apiManagementProviderService.generateAndRetrieveApplicationKeys(
-                    VirtualFireAlarmConstants.DEVICE_TYPE, tags, KEY_TYPE, applicationUsername, true);
+                    VirtualFireAlarmConstants.DEVICE_TYPE, tags, KEY_TYPE, applicationUsername, true,
+                    VirtualFireAlarmConstants.APIM_APPLICATION_TOKEN_VALIDITY_PERIOD);
         }
         JWTClient jwtClient = APIUtil.getJWTClientManagerService().getJWTClient();
         String scopes = " device_" + deviceId;

components/device-types/virtual-fire-alarm-plugin/org.wso2.carbon.device.mgt.iot.virtualfirealarm.plugin/src/main/java/org/wso2/carbon/device/mgt/iot/virtualfirealarm/plugin/constants/VirtualFireAlarmConstants.java

@@ -83,4 +83,6 @@ public class VirtualFireAlarmConstants {
     public static final String SERVER_NAME = "serverName";
 
     public static final String MQTT_ADAPTER_TOPIC_PROPERTY_NAME = "mqtt.adapter.topic";
+
+    public static final String APIM_APPLICATION_TOKEN_VALIDITY_PERIOD = "3600";
 }