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components/application-mgt/io.entgra.application.mgt.core/src/main/java/io/entgra/application/mgt/core/impl/ApplicationManagerImpl.java

@@ -87,7 +87,6 @@ import io.entgra.application.mgt.core.lifecycle.LifecycleStateManager;
 import io.entgra.application.mgt.core.util.ConnectionManagerUtil;
 import io.entgra.application.mgt.core.util.Constants;
 import org.wso2.carbon.device.mgt.core.common.exception.StorageManagementException;
-import org.wso2.carbon.device.mgt.core.common.util.StorageManagementUtil;
 import org.wso2.carbon.device.mgt.common.exceptions.DeviceManagementException;
 
 import org.wso2.carbon.device.mgt.core.dto.DeviceType;
@@ -611,7 +610,7 @@ public class ApplicationManagerImpl implements ApplicationManager {
             return md5OfApp;
         } catch(StorageManagementException e) {
             String msg = "Error occurred while generating md5sum value of " + applicationArtifact.getInstallerName();
-            log.error(msg);
+            log.error(msg, e);
             throw new ApplicationManagementException(msg, e);
         }
     }
@@ -713,8 +712,8 @@ public class ApplicationManagerImpl implements ApplicationManager {
                 } catch (StorageManagementException e) {
                     String msg = "Error occurred while md5sum value retrieving process: application UUID "
                             + applicationReleaseDTO.getUuid();
-                    log.error(msg);
-                    throw new ApplicationStorageManagementException(msg);
+                    log.error(msg, e);
+                    throw new ApplicationStorageManagementException(msg, e);
                 } catch (DBConnectionException e) {
                     String msg = "Error occurred when getting database connection for verifying app release data.";
                     log.error(msg, e);
@@ -828,8 +827,8 @@ public class ApplicationManagerImpl implements ApplicationManager {
         } catch (StorageManagementException e) {
             String msg = "Error occurred while retrieving md5sum value from the binary file for application "
                     + "release UUID " + applicationReleaseDTO.getUuid();
-            log.error(msg);
-            throw new ApplicationStorageManagementException(msg);
+            log.error(msg, e);
+            throw new ApplicationStorageManagementException(msg, e);
         } catch (IOException e) {
             String msg = "Error occurred when getting byte array of binary file. Installer name: " + applicationArtifact
                     .getInstallerName();
@@ -3310,8 +3309,8 @@ public class ApplicationManagerImpl implements ApplicationManager {
                 } catch (StorageManagementException e) {
                     String msg = "Error occurred while retrieving md5sum value from the binary file for "
                             + "application release UUID " + applicationReleaseDTO.get().getUuid();
-                    log.error(msg);
-                    throw new ApplicationStorageManagementException(msg);
+                    log.error(msg, e);
+                    throw new ApplicationStorageManagementException(msg, e);
                 } catch (IOException e) {
                     String msg = "Error occurred when getting byte array of binary file. Installer name: "
                             + applicationArtifact.getInstallerName();

components/application-mgt/io.entgra.application.mgt.core/src/main/java/io/entgra/application/mgt/core/impl/ApplicationStorageManagerImpl.java

@@ -1,4 +1,5 @@
-/* Copyright (c) 2019, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved. *
+/* Copyright (c) 2019, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
  * Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
  * Version 2.0 (the "License"); you may not use this file except
  * in compliance with the License.

components/device-mgt/org.wso2.carbon.device.mgt.api/src/main/java/org/wso2/carbon/device/mgt/jaxrs/service/impl/WhiteLabelServiceImpl.java

@@ -136,7 +136,6 @@ public class WhiteLabelServiceImpl implements WhiteLabelService {
             Response.ResponseBuilder response = Response
                     .ok(binaryDuplicate, MediaType.APPLICATION_OCTET_STREAM);
             response.status(Response.Status.OK);
-//            response.header("Content-Disposition", "attachment; filename=\"" + fileName + "\"");
             response.header("Content-Length", content.length);
             return response.build();
         } catch (IOException e) {

components/device-mgt/org.wso2.carbon.device.mgt.api/src/main/java/org/wso2/carbon/device/mgt/jaxrs/service/impl/util/RequestValidationUtil.java

@@ -662,17 +662,11 @@ public class RequestValidationUtil {
         }
     }
 
-    public static void validateWhiteLabelArtifactDownloadRequest(String whiteLabelImage) {
-        if (!EnumUtils.isValidEnum(WhiteLabelImage.ImageName.class, whiteLabelImage)) {
-            String msg = "Invalid white label image requested. Image: " + whiteLabelImage;
-            log.error(msg);
-            throw new InputValidationException(new ErrorResponse.ErrorResponseBuilder()
-                    .setCode(HttpStatus.SC_BAD_REQUEST)
-                    .setMessage(msg).build());
-
-        }
-    }
-
+    /**
+     * Check if whitelabel theme create request contains valid payload and all required payload
+     *
+     * @param whiteLabelThemeCreateRequest {@link WhiteLabelThemeCreateRequest}
+     */
     public static void validateWhiteLabelTheme(WhiteLabelThemeCreateRequest whiteLabelThemeCreateRequest) {
         if (whiteLabelThemeCreateRequest.getFavicon() == null) {
             String msg = "Favicon is required to whitelabel";
@@ -700,7 +694,7 @@ public class RequestValidationUtil {
             validateWhiteLabelImage(whiteLabelThemeCreateRequest.getLogo());
         } catch (InputValidationException e) {
             String msg = "Payload contains invalid base64 files";
-            log.error(msg);
+            log.error(msg, e);
             throw e;
         }
     }
@@ -723,14 +717,13 @@ public class RequestValidationUtil {
             } catch (JsonSyntaxException e) {
                 String msg = "Invalid image payload found with the request. Image object does not represent a Base64 File. " +
                         "Hence verify the request payload object.";
-                log.error(msg);
+                log.error(msg, e);
                 throw new InputValidationException(
                         new ErrorResponse.ErrorResponseBuilder()
                                 .setCode(HttpStatus.SC_BAD_REQUEST).setMessage(msg).build());
             }
-            return;
         }
-        if (whiteLabelImage.getImageType() == WhiteLabelImageRequestPayload.ImageType.URL) {
+        else if (whiteLabelImage.getImageType() == WhiteLabelImageRequestPayload.ImageType.URL) {
             try {
                 String imageUrl = new Gson().fromJson(whiteLabelImage.getImage(), String.class);
                 if (!HttpUtil.isHttpUrlValid(imageUrl)) {
@@ -742,11 +735,17 @@ public class RequestValidationUtil {
                 }
             } catch (JsonSyntaxException e) {
                 String msg = "Invalid payload found with the request. Hence verify the request payload object.";
-                log.error(msg);
+                log.error(msg, e);
                 throw new InputValidationException(
                         new ErrorResponse.ErrorResponseBuilder()
                                 .setCode(HttpStatus.SC_BAD_REQUEST).setMessage(msg).build());
             }
+        } else {
+            String msg = "Invalid payload found with the request. Unknown white label imageType " + whiteLabelImage.getImageType();
+            log.error(msg);
+            throw new InputValidationException(
+                    new ErrorResponse.ErrorResponseBuilder()
+                            .setCode(HttpStatus.SC_BAD_REQUEST).setMessage(msg).build());
         }
     }
 

components/device-mgt/org.wso2.carbon.device.mgt.api/src/main/java/org/wso2/carbon/device/mgt/jaxrs/util/DeviceMgtAPIUtils.java

@@ -526,7 +526,7 @@ public class DeviceMgtAPIUtils {
                     whiteLabelManagementService = (WhiteLabelManagementService) ctx.getOSGiService(
                             WhiteLabelManagementService.class, null);
                     if (whiteLabelManagementService == null) {
-                        throw new IllegalStateException("Metadata Management service not initialized.");
+                        throw new IllegalStateException("Whitelabel Management service not initialized.");
                     }
                 }
             }

components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/exceptions/NotFoundException.java

@@ -1,6 +1,3 @@
-package org.wso2.carbon.device.mgt.common.exceptions;
-
-
 /*
  * Copyright (c) 2022, Entgra (pvt) Ltd. (http://entgra.io) All Rights Reserved.
  *
@@ -19,6 +16,8 @@ package org.wso2.carbon.device.mgt.common.exceptions;
  * under the License.
  */
 
+package org.wso2.carbon.device.mgt.common.exceptions;
+
 /**
  * This exception will be thrown when the requested application or platform not found.
  */

components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/metadata/mgt/WhiteLabelImage.java

@@ -1,3 +1,21 @@
+/*
+ * Copyright (c) 2022, Entgra (pvt) Ltd. (http://entgra.io) All Rights Reserved.
+ *
+ * Entgra (pvt) Ltd. licenses this file to you 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.common.metadata.mgt;
 
 public class WhiteLabelImage {

components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/metadata/mgt/WhiteLabelImageRequestPayload.java

@@ -1,3 +1,21 @@
+/*
+ * Copyright (c) 2022, Entgra (pvt) Ltd. (http://entgra.io) All Rights Reserved.
+ *
+ * Entgra (pvt) Ltd. licenses this file to you 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.common.metadata.mgt;
 
 import com.google.gson.Gson;

components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/metadata/mgt/WhiteLabelManagementService.java

@@ -17,9 +17,9 @@
  */
 
 package org.wso2.carbon.device.mgt.common.metadata.mgt;
+
 import org.wso2.carbon.device.mgt.common.exceptions.MetadataManagementException;
 import org.wso2.carbon.device.mgt.common.exceptions.NotFoundException;
-import java.io.IOException;
 
 /**
  * Defines the contract of WhiteLabelManagementService.

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/config/tenant/whitelabel/MetaDataConfiguration.java

@@ -1,3 +1,21 @@
+/*
+ *  Copyright (c) 2022, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ *  Entgra (Pvt) Ltd. licenses this file to you 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.config.tenant.whitelabel;
 
 import javax.xml.bind.annotation.XmlElement;

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/config/tenant/whitelabel/WhiteLabelConfiguration.java

@@ -1,3 +1,21 @@
+/*
+ *  Copyright (c) 2022, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ *  Entgra (Pvt) Ltd. licenses this file to you 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.config.tenant.whitelabel;
 
 import javax.xml.bind.annotation.XmlElement;

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/config/tenant/whitelabel/WhiteLabelImages.java

@@ -1,3 +1,21 @@
+/*
+ *  Copyright (c) 2022, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ *  Entgra (Pvt) Ltd. licenses this file to you 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.config.tenant.whitelabel;
 
 import javax.xml.bind.annotation.XmlElement;

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

@@ -70,7 +70,6 @@ public class WhiteLabelManagementServiceImpl implements WhiteLabelManagementServ
         try {
             WhiteLabelTheme whiteLabelTheme = getWhiteLabelTheme();
             return getImageContent(whiteLabelTheme.getFaviconImage(), WhiteLabelImage.ImageName.FAVICON);
-
         } catch (IOException e) {
             String msg = "Error occurred while getting byte content of favicon";
             log.error(msg, e);
@@ -179,6 +178,11 @@ public class WhiteLabelManagementServiceImpl implements WhiteLabelManagementServ
         return whiteLabelConfiguration.getFooterText();
     }
 
+    /**
+     * This is useful to construct and get the default favicon whitelabel image
+     *
+     * @return {@link WhiteLabelImage}
+     */
     private WhiteLabelImage constructDefaultFaviconImage() {
         MetaDataConfiguration metaDataConfiguration = DeviceConfigurationManager.getInstance().
                 getDeviceManagementConfig().getMetaDataConfiguration();
@@ -189,6 +193,11 @@ public class WhiteLabelManagementServiceImpl implements WhiteLabelManagementServ
         return favicon;
     }
 
+    /**
+     * This is useful to construct and get the default logo whitelabel image
+     *
+     * @return {@link WhiteLabelImage}
+     */
     private WhiteLabelImage constructDefaultLogoImage() {
         MetaDataConfiguration metaDataConfiguration = DeviceConfigurationManager.getInstance().
                 getDeviceManagementConfig().getMetaDataConfiguration();

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/metadata/mgt/util/WhiteLabelStorageUtil.java

@@ -88,7 +88,7 @@ public class WhiteLabelStorageUtil {
             storeWhiteLabelImage(FileUtil.fileToBase64File(image), imageName, tenantId);
         } catch (IOException e) {
             String msg = "Error occurred when converting provided File object to Base64File class";
-            log.error(msg);
+            log.error(msg, e);
             throw new MetadataManagementException(msg, e);
         }
     }
@@ -178,7 +178,9 @@ public class WhiteLabelStorageUtil {
             try {
                 StorageManagementUtil.delete(artifact);
             } catch (IOException e) {
-                throw new MetadataManagementException("Error occurred while deleting whitelabel artifacts", e);
+                String msg = "Error occurred while deleting whitelabel artifacts";
+                log.error(msg, e);
+                throw new MetadataManagementException(msg, e);
             }
         }
     }
@@ -193,7 +195,9 @@ public class WhiteLabelStorageUtil {
             try {
                 StorageManagementUtil.delete(artifact);
             } catch (IOException e) {
-                throw new MetadataManagementException("Error occurred while deleting whitelabel artifacts", e);
+                String msg = "Error occurred while deleting whitelabel artifacts";
+                log.error(msg, e);
+                throw new MetadataManagementException(msg, e);
             }
         }
     }