few changes in coding issues

components/extensions/cdmf-transport-adapters/output/org.wso2.carbon.device.mgt.output.adapter.websocket/src/main/java/org/wso2/carbon/device/mgt/output/adapter/websocket/authorization/DeviceAuthorizer.java

@@ -96,7 +96,7 @@ public class DeviceAuthorizer implements Authorizer {
                     }
                 }
             } catch (FeignException e) {
-                //do nothing
+                logger.error(e.getMessage(), e);
             }
         }
         return false;
@@ -110,7 +110,7 @@ public class DeviceAuthorizer implements Authorizer {
                 break;
             }
         }
-        if (deviceMgtServerUrl == null && deviceMgtServerUrl.isEmpty()) {
+        if (deviceMgtServerUrl == null || deviceMgtServerUrl.isEmpty()) {
             logger.error("deviceMgtServerUrl can't be empty ");
         }
         return deviceMgtServerUrl;

components/extensions/cdmf-transport-adapters/output/org.wso2.carbon.device.mgt.output.adapter.websocket/src/main/java/org/wso2/carbon/device/mgt/output/adapter/websocket/authorization/client/OAuthRequestInterceptor.java

@@ -41,7 +41,7 @@ public class OAuthRequestInterceptor implements RequestInterceptor {
     private long refreshTimeOffset;
     private static final String API_APPLICATION_REGISTRATION_CONTEXT = "/api-application-registration";
     private static final String DEVICE_MANAGEMENT_SERVICE_TAG[] = {"device_management"};
-    private static final String APPLICATION_NAME = "mqtt_broker";
+    private static final String APPLICATION_NAME = "websocket-app";
     private static final String PASSWORD_GRANT_TYPE = "password";
     private static final String REFRESH_GRANT_TYPE = "refresh_token";
     private ApiApplicationRegistrationService apiApplicationRegistrationService;
@@ -93,9 +93,11 @@ public class OAuthRequestInterceptor implements RequestInterceptor {
                     .contract(new JAXRSContract()).encoder(new GsonEncoder()).decoder(new GsonDecoder())
                     .target(TokenIssuerService.class, tokenEndpoint);
             tokenInfo = tokenIssuerService.getToken(PASSWORD_GRANT_TYPE, username, password);
+            tokenInfo.setExpires_in(System.currentTimeMillis() + tokenInfo.getExpires_in());
         }
         if (System.currentTimeMillis() + refreshTimeOffset > tokenInfo.getExpires_in()) {
             tokenInfo = tokenIssuerService.getToken(REFRESH_GRANT_TYPE, tokenInfo.getRefresh_token());
+            tokenInfo.setExpires_in(System.currentTimeMillis() + tokenInfo.getExpires_in());
         }
         String headerValue = "Bearer " + tokenInfo.getAccess_token();
         template.header("Authorization", headerValue);

components/extensions/cdmf-transport-adapters/output/org.wso2.carbon.device.mgt.output.adapter.websocket/src/main/java/org/wso2/carbon/device/mgt/output/adapter/websocket/authorization/client/dto/ApiApplicationRegistrationService.java

@@ -1,3 +1,16 @@
+/*
+ * Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and limitations under the License.
+ *
+ */
 package org.wso2.carbon.device.mgt.output.adapter.websocket.authorization.client.dto;
 
 import javax.ws.rs.Consumes;

components/extensions/cdmf-transport-adapters/output/org.wso2.carbon.device.mgt.output.adapter.websocket/src/main/java/org/wso2/carbon/device/mgt/output/adapter/websocket/authorization/client/dto/AuthorizationRequest.java

@@ -1,3 +1,16 @@
+/*
+ * Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and limitations under the License.
+ *
+ */
 package org.wso2.carbon.device.mgt.output.adapter.websocket.authorization.client.dto;
 
 import java.util.List;

components/extensions/cdmf-transport-adapters/output/org.wso2.carbon.device.mgt.output.adapter.websocket/src/main/java/org/wso2/carbon/device/mgt/output/adapter/websocket/authorization/client/dto/RegistrationProfile.java

@@ -1,3 +1,16 @@
+/*
+ * Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and limitations under the License.
+ *
+ */
 package org.wso2.carbon.device.mgt.output.adapter.websocket.authorization.client.dto;
 
 

components/extensions/cdmf-transport-adapters/output/org.wso2.carbon.device.mgt.output.adapter.websocket/src/main/java/org/wso2/carbon/device/mgt/output/adapter/websocket/authorization/client/dto/TokenIssuerService.java

@@ -11,9 +11,22 @@
  * See the License for the specific language governing permissions and limitations under the License.
  *
  */
-
+/*
+ * Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and limitations under the License.
+ *
+ */
 package org.wso2.carbon.device.mgt.output.adapter.websocket.authorization.client.dto;
 
+import javax.ws.rs.Consumes;
 import javax.ws.rs.POST;
 import javax.ws.rs.Path;
 import javax.ws.rs.Produces;
@@ -28,10 +41,12 @@ public interface TokenIssuerService {
 
     @POST
     @Produces(MediaType.APPLICATION_JSON)
+    @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
     AccessTokenInfo getToken(@QueryParam("grant_type") String grant, @QueryParam("username") String username,
                              @QueryParam("password") String password);
 
     @POST
     @Produces(MediaType.APPLICATION_JSON)
+    @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
     AccessTokenInfo getToken(@QueryParam("grant_type") String grant, @QueryParam("refresh_token") String refreshToken);
 }

components/extensions/mb-extensions/org.wso2.carbon.andes.extensions.device.mgt.mqtt.authorization/src/main/java/org/wso2/carbon/andes/extensions/device/mgt/mqtt/authorization/DeviceAccessBasedMQTTAuthorizer.java

@@ -50,7 +50,7 @@ import java.util.List;
 import java.util.concurrent.TimeUnit;
 
 /**
- * Authorize the connecting users against Carbon Permission Model. Intended usage is
+ * Authorize the connecting users against CDMF. Intended usage is
  * via providing fully qualified class name in broker.xml
  * <p/>
  * This is just a simple authorization model. For dynamic topics use an implementation based on IAuthorizer
@@ -83,6 +83,10 @@ public class DeviceAccessBasedMQTTAuthorizer implements IAuthorizer {
     @Override
     public boolean isAuthorizedForTopic(MQTTAuthorizationSubject authorizationSubject, String topic,
                                         MQTTAuthoriztionPermissionLevel permissionLevel) {
+        PrivilegedCarbonContext.startTenantFlow();
+        PrivilegedCarbonContext.getThreadLocalCarbonContext().setTenantDomain(
+                MultitenantConstants.SUPER_TENANT_DOMAIN_NAME, true);
+        try {
             String topics[] = topic.split("/");
             String tenantDomainFromTopic = topics[0];
             if (!tenantDomainFromTopic.equals(authorizationSubject.getTenantDomain())) {
@@ -91,7 +95,7 @@ public class DeviceAccessBasedMQTTAuthorizer implements IAuthorizer {
             if (topics.length < 3) {
                 AuthorizationCacheKey authorizationCacheKey = new AuthorizationCacheKey(tenantDomainFromTopic
                         , authorizationSubject.getUsername(), "", "");
-            if (cache.get(authorizationCacheKey)) {
+                if (cache.get(authorizationCacheKey) != null && cache.get(authorizationCacheKey)) {
                     return true;
                 }
                 AuthorizationRequest authorizationRequest = new AuthorizationRequest();
@@ -105,6 +109,7 @@ public class DeviceAccessBasedMQTTAuthorizer implements IAuthorizer {
                     }
                     return false;
                 } catch (FeignException e) {
+                    logger.error(e.getMessage(), e);
                     return false;
                 }
             }
@@ -112,7 +117,7 @@ public class DeviceAccessBasedMQTTAuthorizer implements IAuthorizer {
             String deviceId = topics[2];
             AuthorizationCacheKey authorizationCacheKey = new AuthorizationCacheKey(tenantDomainFromTopic
                     , authorizationSubject.getUsername(), deviceId, deviceType);
-        if (cache.get(authorizationCacheKey)) {
+            if (cache.get(authorizationCacheKey) != null && cache.get(authorizationCacheKey)) {
                 return true;
             }
 
@@ -147,7 +152,10 @@ public class DeviceAccessBasedMQTTAuthorizer implements IAuthorizer {
                     }
                 }
             } catch (FeignException e) {
-            // do nothing.
+                logger.error(e.getMessage(), e);
+            }
+        } finally {
+            PrivilegedCarbonContext.endTenantFlow();
         }
 
         return false;

components/extensions/mb-extensions/org.wso2.carbon.andes.extensions.device.mgt.mqtt.authorization/src/main/java/org/wso2/carbon/andes/extensions/device/mgt/mqtt/authorization/client/OAuthRequestInterceptor.java

@@ -77,9 +77,11 @@ public class OAuthRequestInterceptor implements RequestInterceptor {
                     .contract(new JAXRSContract()).encoder(new GsonEncoder()).decoder(new GsonDecoder())
                     .target(TokenIssuerService.class, AuthorizationConfigurationManager.getInstance().getTokenEndpoint());
             tokenInfo = tokenIssuerService.getToken(PASSWORD_GRANT_TYPE, username, password);
+            tokenInfo.setExpires_in(System.currentTimeMillis() + tokenInfo.getExpires_in());
         }
         if (System.currentTimeMillis() + refreshTimeOffset > tokenInfo.getExpires_in()) {
             tokenInfo = tokenIssuerService.getToken(REFRESH_GRANT_TYPE, tokenInfo.getRefresh_token());
+            tokenInfo.setExpires_in(System.currentTimeMillis() + tokenInfo.getExpires_in());
         }
         String headerValue = "Bearer " + tokenInfo.getAccess_token();
         template.header("Authorization", headerValue);

components/extensions/mb-extensions/org.wso2.carbon.andes.extensions.device.mgt.mqtt.authorization/src/main/java/org/wso2/carbon/andes/extensions/device/mgt/mqtt/authorization/client/dto/ApiApplicationRegistrationService.java

@@ -1,3 +1,16 @@
+/*
+ * Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and limitations under the License.
+ *
+ */
 package org.wso2.carbon.andes.extensions.device.mgt.mqtt.authorization.client.dto;
 
 import javax.ws.rs.Consumes;

components/extensions/mb-extensions/org.wso2.carbon.andes.extensions.device.mgt.mqtt.authorization/src/main/java/org/wso2/carbon/andes/extensions/device/mgt/mqtt/authorization/client/dto/AuthorizationRequest.java

@@ -1,3 +1,16 @@
+/*
+ * Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and limitations under the License.
+ *
+ */
 package org.wso2.carbon.andes.extensions.device.mgt.mqtt.authorization.client.dto;
 
 import java.util.List;

components/extensions/mb-extensions/org.wso2.carbon.andes.extensions.device.mgt.mqtt.authorization/src/main/java/org/wso2/carbon/andes/extensions/device/mgt/mqtt/authorization/client/dto/RegistrationProfile.java

@@ -1,3 +1,16 @@
+/*
+ * Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and limitations under the License.
+ *
+ */
 package org.wso2.carbon.andes.extensions.device.mgt.mqtt.authorization.client.dto;
 
 

components/extensions/mb-extensions/org.wso2.carbon.andes.extensions.device.mgt.mqtt.authorization/src/main/java/org/wso2/carbon/andes/extensions/device/mgt/mqtt/authorization/client/dto/TokenIssuerService.java

@@ -14,6 +14,7 @@
 
 package org.wso2.carbon.andes.extensions.device.mgt.mqtt.authorization.client.dto;
 
+import javax.ws.rs.Consumes;
 import javax.ws.rs.POST;
 import javax.ws.rs.Path;
 import javax.ws.rs.Produces;
@@ -28,10 +29,12 @@ public interface TokenIssuerService {
 
     @POST
     @Produces(MediaType.APPLICATION_JSON)
+    @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
     AccessTokenInfo getToken(@QueryParam("grant_type") String grant, @QueryParam("username") String username,
                              @QueryParam("password") String password);
 
     @POST
     @Produces(MediaType.APPLICATION_JSON)
+    @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
     AccessTokenInfo getToken(@QueryParam("grant_type") String grant, @QueryParam("refresh_token") String refreshToken);
 }