fixing the issues when reading the mqtt receiver configurations.

components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_sense_publisher/android_sense_publisher.xml

@@ -20,6 +20,6 @@
 <eventPublisher name="android_sense_publisher" statistics="disable" trace="disable" xmlns="http://wso2.org/carbon/eventpublisher">
     <from streamName="org.wso2.iot.android.sense" version="1.0.0"/>
     <mapping customMapping="disable" type="wso2event"/>
-    <to eventAdapterType="secured-ui"/>
+    <to eventAdapterType="secured-websocket"/>
 </eventPublisher>
 

components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_sense_receiver/android_sense_receiver.xml

@@ -23,7 +23,7 @@
         <property name="username">admin</property>
         <property name="contentValidator">org.wso2.carbon.device.mgt.input.adapter.mqtt.util.MQTTContentValidator</property>
         <property name="contentTransformer">default</property>
-        <property name="dcrUrl">https://localhost:${carbon.https.port}/dynamic-client-web/register</property>
+        <property name="dcrUrl">https://${iot.core.host}:${iot.core.https.port}/dynamic-client-web/register</property>
         <property name="url">tcp://${mqtt.broker.host}:${mqtt.broker.port}</property>
         <property name="cleanSession">true</property>
     </from>

components/device-types/arduino-plugin/org.wso2.carbon.device.mgt.iot.arduino.analytics/src/main/resources/carbonapps/Arduino/arduino_receiver/arduino_receiver.xml

@@ -24,7 +24,7 @@
         <property name="contentTransformer">default</property>
         <property name="transports">all</property>
         <property name="maximumTotalHttpConnection">100</property>
-        <property name="tokenValidationEndpointUrl">https://localhost:${carbon.https.port}/services/OAuth2TokenValidationService</property>
+        <property name="tokenValidationEndpointUrl">https://localhost:${dcr.endpoint.port}/services/OAuth2TokenValidationService</property>
         <property name="password">admin</property>
     </from>
     <mapping customMapping="disable" type="json"/>

components/device-types/raspberrypi-plugin/org.wso2.carbon.device.mgt.iot.raspberrypi.analytics/src/main/resources/carbonapps/raspberrypi/raspberrypi_receiver/raspberrypi_receiver.xml

@@ -22,7 +22,7 @@
         <property name="username">admin</property>
         <property name="contentValidator">org.wso2.carbon.device.mgt.input.adapter.mqtt.util.MQTTContentValidator</property>
         <property name="contentTransformer">default</property>
-        <property name="dcrUrl">https://localhost:${carbon.https.port}/dynamic-client-web/register</property>
+        <property name="dcrUrl">https://${iot.core.host}:${iot.core.https.port}/dynamic-client-web/register</property>
         <property name="url">tcp://${mqtt.broker.host}:${mqtt.broker.port}</property>
         <property name="cleanSession">true</property>
     </from>

components/extensions/cdmf-transport-adapters/input/org.wso2.carbon.device.mgt.input.adapter.mqtt/src/main/java/org/wso2/carbon/device/mgt/input/adapter/mqtt/util/MQTTBrokerConnectionConfiguration.java

@@ -17,6 +17,8 @@
 */
 package org.wso2.carbon.device.mgt.input.adapter.mqtt.util;
 
+import org.wso2.carbon.event.input.adapter.core.exception.InputEventAdapterException;
+
 /**
  * This holds the configurations related to MQTT Broker.
  */
@@ -65,7 +67,7 @@ public class MQTTBrokerConnectionConfiguration {
 
     public MQTTBrokerConnectionConfiguration(String brokerUrl, String brokerUsername, String brokerScopes,
                                              String dcrUrl, String cleanSession, int keepAlive,
-                                             String contentValidatorClassName, String contentTransformerClassName) {
+                                             String contentValidatorClassName, String contentTransformerClassName) throws InputEventAdapterException {
         this.brokerUsername = brokerUsername;
         this.brokerScopes = brokerScopes;
         if (brokerScopes == null) {

components/extensions/cdmf-transport-adapters/input/org.wso2.carbon.device.mgt.input.adapter.mqtt/src/main/java/org/wso2/carbon/device/mgt/input/adapter/mqtt/util/PropertyUtils.java

@@ -18,37 +18,28 @@
 
 package org.wso2.carbon.device.mgt.input.adapter.mqtt.util;
 
-import org.wso2.carbon.base.ServerConfiguration;
-import org.wso2.carbon.core.util.Utils;
+import org.wso2.carbon.event.input.adapter.core.exception.InputEventAdapterException;
 
-public class PropertyUtils {
-    private static final String MQTT_PORT = "\\$\\{mqtt.broker.port\\}";
-    private static final String MQTT_BROKER_HOST = "\\$\\{mqtt.broker.host\\}";
-    private static final String CARBON_CONFIG_PORT_OFFSET = "Ports.Offset";
-    private static final String DEFAULT_CARBON_LOCAL_IP_PROPERTY = "carbon.local.ip";
-    private static final int CARBON_DEFAULT_PORT_OFFSET = 0;
-    private static final int DEFAULT_MQTT_PORT = 1886;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
-    //This method is only used if the mb features are within DAS.
-    public static String replaceMqttProperty (String urlWithPlaceholders) {
-        urlWithPlaceholders = Utils.replaceSystemProperty(urlWithPlaceholders);
-        urlWithPlaceholders = urlWithPlaceholders.replaceAll(MQTT_PORT, "" + (DEFAULT_MQTT_PORT + getPortOffset()));
-        urlWithPlaceholders = urlWithPlaceholders.replaceAll(MQTT_BROKER_HOST, System.getProperty(
-                DEFAULT_CARBON_LOCAL_IP_PROPERTY, "localhost"));
-        return urlWithPlaceholders;
-    }
+class PropertyUtils {
 
-    private static int getPortOffset() {
-        ServerConfiguration carbonConfig = ServerConfiguration.getInstance();
-        String portOffset = System.getProperty("portOffset", carbonConfig.getFirstProperty(CARBON_CONFIG_PORT_OFFSET));
-        try {
-            if (portOffset != null) {
-                return Integer.parseInt(portOffset.trim());
+    //This method is only used if the mb features are within DAS.
+    static String replaceMqttProperty(String urlWithPlaceholders) throws InputEventAdapterException {
+        String regex = "\\$\\{(.*?)\\}";
+        Pattern pattern = Pattern.compile(regex);
+        Matcher matchPattern = pattern.matcher(urlWithPlaceholders);
+        while (matchPattern.find()) {
+            String sysPropertyName = matchPattern.group(1);
+            String sysPropertyValue = System.getProperty(sysPropertyName);
+            if (sysPropertyValue != null && !sysPropertyName.isEmpty()) {
+                urlWithPlaceholders = urlWithPlaceholders.replaceAll("\\$\\{(" + sysPropertyName + ")\\}", sysPropertyValue);
             } else {
-                return CARBON_DEFAULT_PORT_OFFSET;
+                throw new InputEventAdapterException("System property - " + sysPropertyName
+                        + " is not defined, hence cannot resolve : " + urlWithPlaceholders);
             }
-        } catch (NumberFormatException e) {
-            return CARBON_DEFAULT_PORT_OFFSET;
         }
+        return urlWithPlaceholders;
     }
 }