More code cleanups

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/DeviceManagementConstants.java

@@ -0,0 +1,27 @@
+/**
+ *  Copyright (c) 2015, 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.core;
+
+public final class DeviceManagementConstants {
+
+    public static final class Common {
+        private Common() {
+            throw new AssertionError();
+        }
+        public static final String PROPERTY_SETUP = "setup";
+    }
+
+}

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/internal/DeviceManagementServiceComponent.java

@@ -23,6 +23,7 @@ import org.osgi.framework.BundleContext;
 import org.osgi.service.component.ComponentContext;
 import org.wso2.carbon.device.mgt.common.DeviceManagementException;
 import org.wso2.carbon.device.mgt.common.spi.DeviceManagerService;
+import org.wso2.carbon.device.mgt.core.DeviceManagementConstants;
 import org.wso2.carbon.device.mgt.core.DeviceManagementRepository;
 import org.wso2.carbon.device.mgt.core.DeviceManager;
 import org.wso2.carbon.device.mgt.core.DeviceManagerImpl;
@@ -51,12 +52,14 @@ import org.wso2.carbon.user.core.service.RealmService;
  */
 public class DeviceManagementServiceComponent {
 
-    public static final String SETUP_OPTION = "setup";
     private static Log log = LogFactory.getLog(DeviceManagementServiceComponent.class);
     private DeviceManagementRepository pluginRepository = new DeviceManagementRepository();
 
     protected void activate(ComponentContext componentContext) {
         try {
+            if (log.isDebugEnabled()) {
+                log.debug("Initializing device management core bundle");
+            }
             /* Initializing Device Management Configuration */
             DeviceConfigurationManager.getInstance().initConfig();
             DeviceManagementConfig config = DeviceConfigurationManager.getInstance().getDeviceManagementConfig();
@@ -68,19 +71,24 @@ public class DeviceManagementServiceComponent {
             DeviceManagementDataHolder.getInstance().setDeviceManager(deviceManager);
 
             /* If -Dsetup option enabled then create device management database schema */
-            String setupOption = System.getProperty(SETUP_OPTION);
+            String setupOption = System.getProperty(DeviceManagementConstants.Common.PROPERTY_SETUP);
             if (setupOption != null) {
                 if (log.isDebugEnabled()) {
                     log.debug("-Dsetup is enabled. Device management repository schema initialization is about " +
                             "to begin");
                 }
-                setupDeviceManagementSchema(dsConfig);
+                this.setupDeviceManagementSchema(dsConfig);
             }
 
+            if (log.isDebugEnabled()) {
+                log.debug("Registering OSGi service DeviceManagementService");
+            }
             BundleContext bundleContext = componentContext.getBundleContext();
             bundleContext.registerService(DeviceManagementService.class.getName(),
                     new DeviceManagementService(), null);
-
+            if (log.isDebugEnabled()) {
+                log.debug("Device management core bundle has been successfully initialized");
+            }
         } catch (Throwable e) {
             String msg = "Error occurred while initializing device management core bundle";
             log.error(msg, e);
@@ -91,38 +99,43 @@ public class DeviceManagementServiceComponent {
         DeviceManagementSchemaInitializer initializer = new DeviceManagementSchemaInitializer(config);
         log.info("Initializing device management repository database schema");
 
-        // catch generic exception. If any error occurs wrap and throw  DeviceManagementException
         try {
             initializer.createRegistryDatabase();
         } catch (Exception e) {
             throw new DeviceManagementException("Error occurred while initializing Device Management " +
                     "database schema", e);
         }
+        if (log.isDebugEnabled()) {
+            log.debug("Device management metadata repository schema has been successfully initialized");
+        }
     }
 
     /**
-     * Sets Device Manager services
-     * @param deviceManager An instance of DeviceManagerService
+     * Sets Device Manager service.
+     * @param deviceManagerService An instance of DeviceManagerService
      */
-    protected void setDeviceManagerService(DeviceManagerService deviceManager) {
+    protected void setDeviceManagerService(DeviceManagerService deviceManagerService) {
         if (log.isDebugEnabled()) {
-            log.debug("Setting Device Management Service");
+            log.debug("Setting Device Management Service Provider : '" +
+                    deviceManagerService.getProviderType() + "'");
         }
-        this.getPluginRepository().addDeviceManagementProvider(deviceManager);
+        this.getPluginRepository().addDeviceManagementProvider(deviceManagerService);
     }
 
     /**
-     * Unsets Device Management services
-     * @param deviceManager An instance of DeviceManagerService
+     * Unsets Device Management service.
+     * @param deviceManagerService An Instance of DeviceManagerService
      */
-    protected void unsetDeviceManagerService(DeviceManagerService deviceManager) {
+    protected void unsetDeviceManagerService(DeviceManagerService deviceManagerService) {
         if (log.isDebugEnabled()) {
-            log.debug("Unsetting Device Management Service");
+            log.debug("Unsetting Device Management Service Provider : '" +
+                    deviceManagerService.getProviderType() + "'");
         }
+        this.getPluginRepository().removeDeviceManagementProvider(deviceManagerService);
     }
 
     /**
-     * Sets Realm Service
+     * Sets Realm Service.
      * @param realmService An instance of RealmService
      */
     protected void setRealmService(RealmService realmService) {
@@ -133,7 +146,7 @@ public class DeviceManagementServiceComponent {
     }
 
     /**
-     * Unsets Realm Service
+     * Unsets Realm Service.
      * @param realmService An instance of RealmService
      */
     protected void unsetRealmService(RealmService realmService) {

components/device-mgt/org.wso2.carbon.device.mgt.core/src/test/java/org/wso2/carbon/device/mgt/core/DeviceManagementRepositoryTests.java

@@ -47,6 +47,7 @@ public class DeviceManagementRepositoryTests {
 
         DeviceManagerService targetProvider =
                 this.getRepository().getDeviceManagementProvider(TestDeviceManagerService.DEVICE_TYPE_TEST);
+
         Assert.assertNull(targetProvider);
     }