Merge branch 'application-mgt-new' into 'application-mgt-new'

Fix app release artifact updating issue

See merge request entgra/carbon-device-mgt!179

components/application-mgt/org.wso2.carbon.device.application.mgt.api/src/main/java/org/wso2/carbon/device/application/mgt/api/services/ArtifactDownloadAPI.java

@@ -57,7 +57,7 @@ import javax.ws.rs.core.Response;
 public interface ArtifactDownloadAPI {
 
     @GET
-    @Path("/{uuid}/{fileName}")
+    @Path("/{uuid}/{folderName}/{fileName}")
     @Produces(MediaType.APPLICATION_OCTET_STREAM)
     @ApiOperation(
             produces = MediaType.APPLICATION_OCTET_STREAM,
@@ -86,6 +86,11 @@ public interface ArtifactDownloadAPI {
             value = "UUID of the application release.",
             required = true)
             @PathParam("uuid") String uuid,
+            @ApiParam(
+                    name = "folderName",
+                    value = "Name of the folder where the artifact store.",
+                    required = true)
+            @PathParam("folderName") String folderName,
             @ApiParam(
                     name = "fileName",
                     value = "Name of the artifact",

components/application-mgt/org.wso2.carbon.device.application.mgt.api/src/main/java/org/wso2/carbon/device/application/mgt/api/services/impl/ArtifactDownloadAPIImpl.java

@@ -47,12 +47,14 @@ public class ArtifactDownloadAPIImpl implements ArtifactDownloadAPI {
     @GET
     @Override
     @Produces(MediaType.APPLICATION_OCTET_STREAM)
-    @Path("/{uuid}/{fileName}")
+    @Path("/{uuid}/{folderName}/{fileName}")
-    public Response getArtifact(@PathParam("uuid") String uuid,
+    public Response getArtifact(
+            @PathParam("uuid") String uuid,
+            @PathParam("folderName") String folderName,
             @PathParam("fileName") String fileName) {
         AppmDataHandler dataHandler = APIUtil.getDataHandler();
         try {
-            InputStream fileInputStream = dataHandler.getArtifactStream(uuid, fileName);
+            InputStream fileInputStream = dataHandler.getArtifactStream(uuid, folderName, fileName);
             Response.ResponseBuilder response = Response
                     .ok(fileInputStream, MediaType.APPLICATION_OCTET_STREAM);
             response.status(Response.Status.OK);

components/application-mgt/org.wso2.carbon.device.application.mgt.common/src/main/java/org/wso2/carbon/device/application/mgt/common/services/ApplicationStorageManager.java

@@ -72,7 +72,7 @@ public interface ApplicationStorageManager {
      *
      * @throws ApplicationStorageManagementException Not Found Exception.
      */
-    void deleteAppReleaseArtifact(String appReleaseHashVal, String fileName) throws ApplicationStorageManagementException;
+    void deleteAppReleaseArtifact(String appReleaseHashVal, String folderName, String fileName) throws ApplicationStorageManagementException;
 
     /**
      * To delete all release artifacts related with particular ApplicationDTO Release.
@@ -84,9 +84,9 @@ public interface ApplicationStorageManager {
 
     /***
      * Get the InputStream of the file which is located in filePath
-     * @param path file path
+     * @param hashVal Hash Value of the application release.
      * @return {@link InputStream}
      * @throws ApplicationStorageManagementException throws if an error occurs when accessing the file.
      */
-    InputStream getFileSttream(String path) throws ApplicationStorageManagementException;
+    InputStream getFileStream(String hashVal, String folderName, String fileName) throws ApplicationStorageManagementException;
 }

components/application-mgt/org.wso2.carbon.device.application.mgt.common/src/main/java/org/wso2/carbon/device/application/mgt/common/services/AppmDataHandler.java

@@ -35,5 +35,6 @@ public interface AppmDataHandler {
 
     Map<String, LifecycleState> getLifecycleConfiguration() throws LifecycleManagementException;
 
-    InputStream getArtifactStream(String uuid, String artifactName) throws ApplicationManagementException;
+    InputStream getArtifactStream(String uuid, String folderName, String artifactName)
+            throws ApplicationManagementException;
 }

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/impl/ApplicationManagerImpl.java

@@ -451,12 +451,14 @@ public class ApplicationManagerImpl implements ApplicationManager {
         ApplicationStorageManager applicationStorageManager = DAOUtil.getApplicationStorageManager();
 
         if (!StringUtils.isEmpty(applicationArtifact.getIconName())) {
-            applicationStorageManager.deleteAppReleaseArtifact(applicationReleaseDTO.getAppHashValue(),
+            applicationStorageManager
+                    .deleteAppReleaseArtifact(applicationReleaseDTO.getAppHashValue(), Constants.ICON_ARTIFACT,
                             applicationReleaseDTO.getIconName());
             applicationReleaseDTO.setIconName(applicationArtifact.getIconName());
         }
         if (!StringUtils.isEmpty(applicationArtifact.getBannerName())){
-            applicationStorageManager.deleteAppReleaseArtifact(applicationReleaseDTO.getAppHashValue(),
+            applicationStorageManager
+                    .deleteAppReleaseArtifact(applicationReleaseDTO.getAppHashValue(), Constants.BANNER_ARTIFACT,
                             applicationReleaseDTO.getBannerName());
             applicationReleaseDTO.setBannerName(applicationArtifact.getBannerName());
         }
@@ -470,16 +472,20 @@ public class ApplicationManagerImpl implements ApplicationManager {
 
             int counter = 1;
             for (String scName : screenshotNames) {
+                String folderPath = Constants.SCREENSHOT_ARTIFACT + counter;
                 if (counter == 1) {
-                    applicationStorageManager.deleteAppReleaseArtifact(applicationReleaseDTO.getAppHashValue(),
+                    applicationStorageManager
+                            .deleteAppReleaseArtifact(applicationReleaseDTO.getAppHashValue(), folderPath,
                                     applicationReleaseDTO.getScreenshotName1());
                     applicationReleaseDTO.setScreenshotName1(scName);
                 } else if (counter == 2) {
-                    applicationStorageManager.deleteAppReleaseArtifact(applicationReleaseDTO.getAppHashValue(),
+                    applicationStorageManager
+                            .deleteAppReleaseArtifact(applicationReleaseDTO.getAppHashValue(), folderPath,
                                     applicationReleaseDTO.getScreenshotName2());
                     applicationReleaseDTO.setScreenshotName2(scName);
                 } else if (counter == 3) {
-                    applicationStorageManager.deleteAppReleaseArtifact(applicationReleaseDTO.getAppHashValue(),
+                    applicationStorageManager
+                            .deleteAppReleaseArtifact(applicationReleaseDTO.getAppHashValue(), folderPath,
                                     applicationReleaseDTO.getScreenshotName3());
                     applicationReleaseDTO.setScreenshotName3(scName);
                 }
@@ -583,12 +589,14 @@ public class ApplicationManagerImpl implements ApplicationManager {
             log.error(msg);
             throw new ApplicationManagementException(msg, e);
         } catch (UserStoreException e) {
-            throw new ApplicationManagementException(
+            String msg = "User-store exception while checking whether the user " + userName + " of tenant " + tenantId
-                    "User-store exception while checking whether the user " + userName + " of tenant " + tenantId
+                    + " has the publisher permission";
-                            + " has the publisher permission", e);
+            log.error(msg);
+            throw new ApplicationManagementException(msg, e);
         } catch (ApplicationManagementDAOException e) {
-            throw new ApplicationManagementException(
+            String msg = "DAO exception while getting applications for the user " + userName + " of tenant " + tenantId;
-                    "DAO exception while getting applications for the user " + userName + " of tenant " + tenantId, e);
+            log.error(msg);
+            throw new ApplicationManagementException(msg, e);
         } finally {
             ConnectionManagerUtil.closeDBConnection();
         }
@@ -792,23 +800,26 @@ public class ApplicationManagerImpl implements ApplicationManager {
             ConnectionManagerUtil.commitDBTransaction();
             return applicationRelease;
         } catch (TransactionManagementException e) {
-            throw new ApplicationManagementException(
+            String msg = "Error occurred while staring application release creating transaction for application Id: "
-                    "Error occurred while staring application release creating transaction for application Id: "
+                    + applicationId;
-                            + applicationId, e);
+            log.error(msg);
+            throw new ApplicationManagementException(msg, e);
         } catch (DBConnectionException e) {
-            throw new ApplicationManagementException(
+            String msg = "Error occurred while adding application release into IoTS app management ApplicationDTO id of"
-                    "Error occurred while adding application release into IoTS app management ApplicationDTO id of the "
+                    + " the application release: " + applicationId;
-                            + "application release: " + applicationId, e);
+            log.error(msg);
-
+            throw new ApplicationManagementException(msg, e);
         } catch (LifeCycleManagementDAOException e) {
             ConnectionManagerUtil.rollbackDBTransaction();
-            throw new ApplicationManagementException(
+            String msg = "Error occurred while adding new application release lifecycle state to the application"
-                    "Error occurred while adding new application release lifecycle state to the application release: "
+                    + " release: " + applicationId;
-                            + applicationId, e);
+            log.error(msg);
+            throw new ApplicationManagementException(msg, e);
         } catch (ApplicationManagementDAOException e) {
             ConnectionManagerUtil.rollbackDBTransaction();
-            throw new ApplicationManagementException(
+            String msg = "Error occurred while adding new application release for application " + applicationId;
-                    "Error occurred while adding new application release for application " + applicationId, e);
+            log.error(msg);
+            throw new ApplicationManagementException(msg, e);
         } finally {
             ConnectionManagerUtil.closeDBConnection();
         }

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/impl/ApplicationStorageManagerImpl.java

@@ -30,6 +30,7 @@ import org.wso2.carbon.device.application.mgt.common.exception.ResourceManagemen
 import org.wso2.carbon.device.application.mgt.common.services.ApplicationStorageManager;
 import org.wso2.carbon.device.application.mgt.core.exception.ParsingException;
 import org.wso2.carbon.device.application.mgt.core.util.ArtifactsParser;
+import org.wso2.carbon.device.application.mgt.core.util.Constants;
 import org.wso2.carbon.device.application.mgt.core.util.StorageManagementUtil;
 
 import java.io.*;
@@ -60,21 +61,24 @@ public class ApplicationStorageManagerImpl implements ApplicationStorageManager
     public ApplicationReleaseDTO uploadImageArtifacts(ApplicationReleaseDTO applicationReleaseDTO,
             InputStream iconFileStream, InputStream bannerFileStream, List<InputStream> screenShotStreams)
             throws ResourceManagementException {
-        String artifactDirectoryPath;
         String iconStoredLocation;
         String bannerStoredLocation;
         String scStoredLocation = null;
 
         try {
-            artifactDirectoryPath = storagePath + applicationReleaseDTO.getAppHashValue();
+            String artifactStoringBaseDirPath = storagePath + applicationReleaseDTO.getAppHashValue();
-            StorageManagementUtil.createArtifactDirectory(artifactDirectoryPath);
+            StorageManagementUtil.createArtifactDirectory(artifactStoringBaseDirPath);
 
             if (iconFileStream != null) {
-                iconStoredLocation = artifactDirectoryPath + File.separator + applicationReleaseDTO.getIconName();
+                String iconStoringDir = artifactStoringBaseDirPath + File.separator + Constants.ICON_ARTIFACT;
+                StorageManagementUtil.createArtifactDirectory(iconStoringDir);
+                iconStoredLocation = iconStoringDir + File.separator + applicationReleaseDTO.getIconName();
                 saveFile(iconFileStream, iconStoredLocation);
             }
             if (bannerFileStream != null) {
-                bannerStoredLocation = artifactDirectoryPath + File.separator + applicationReleaseDTO.getBannerName();
+                String bannerStoringDir = artifactStoringBaseDirPath + File.separator + Constants.BANNER_ARTIFACT;
+                StorageManagementUtil.createArtifactDirectory(bannerStoringDir);
+                bannerStoredLocation = bannerStoringDir + File.separator + applicationReleaseDTO.getBannerName();
                 saveFile(bannerFileStream, bannerStoredLocation);
             }
             if (!screenShotStreams.isEmpty()) {
@@ -86,14 +90,16 @@ public class ApplicationStorageManagerImpl implements ApplicationStorageManager
                 }
                 int count = 1;
                 for (InputStream screenshotStream : screenShotStreams) {
+                    String scStoringDir = artifactStoringBaseDirPath + File.separator + Constants.SCREENSHOT_ARTIFACT + count;
+                    StorageManagementUtil.createArtifactDirectory(scStoringDir);
                     if (count == 1) {
-                        scStoredLocation = artifactDirectoryPath + File.separator + applicationReleaseDTO.getScreenshotName1();
+                        scStoredLocation = scStoringDir + File.separator + applicationReleaseDTO.getScreenshotName1();
                     }
                     if (count == 2) {
-                        scStoredLocation = artifactDirectoryPath + File.separator + applicationReleaseDTO.getScreenshotName2();
+                        scStoredLocation = scStoringDir + File.separator + applicationReleaseDTO.getScreenshotName2();
                     }
                     if (count == 3) {
-                        scStoredLocation = artifactDirectoryPath + File.separator + applicationReleaseDTO.getScreenshotName3();
+                        scStoredLocation = scStoringDir + File.separator + applicationReleaseDTO.getScreenshotName3();
                     }
                     saveFile(screenshotStream, scStoredLocation);
                     count++;
@@ -101,8 +107,10 @@ public class ApplicationStorageManagerImpl implements ApplicationStorageManager
             }
             return applicationReleaseDTO;
         } catch (IOException e) {
-            throw new ApplicationStorageManagementException("IO Exception while saving the screens hots for " +
+            String msg = "IO Exception occurred while saving application artifacts for the application which has UUID "
-                    "the application " + applicationReleaseDTO.getUuid(), e);
+                    + applicationReleaseDTO.getUuid();
+            log.error(msg);
+            throw new ApplicationStorageManagementException(msg, e);
         }
     }
 
@@ -142,7 +150,8 @@ public class ApplicationStorageManagerImpl implements ApplicationStorageManager
             String artifactPath;
             byte [] content = IOUtils.toByteArray(binaryFile);
 
-            artifactDirectoryPath = storagePath + applicationReleaseDTO.getAppHashValue();
+            artifactDirectoryPath =
+                    storagePath + applicationReleaseDTO.getAppHashValue() + File.separator + Constants.APP_ARTIFACT;
             StorageManagementUtil.createArtifactDirectory(artifactDirectoryPath);
             artifactPath = artifactDirectoryPath + File.separator + applicationReleaseDTO.getInstallerName();
             saveFile(new ByteArrayInputStream(content), artifactPath);
@@ -168,24 +177,38 @@ public class ApplicationStorageManagerImpl implements ApplicationStorageManager
             String screenshot3 = applicationReleaseDTO.getScreenshotName3();
 
             if (bannerName != null) {
-                StorageManagementUtil.copy(storagePath + deletingAppHashValue + File.separator + bannerName,
+                StorageManagementUtil
-                        storagePath + appHashValue + File.separator + bannerName);
+                        .copy(storagePath + deletingAppHashValue + File.separator + Constants.BANNER_ARTIFACT
+                                        + File.separator + bannerName,
+                                storagePath + appHashValue + File.separator + Constants.BANNER_ARTIFACT + File.separator
+                                        + bannerName);
             }
             if (iconName != null) {
-                StorageManagementUtil.copy(storagePath + deletingAppHashValue + File.separator + iconName,
+                StorageManagementUtil.copy(storagePath + deletingAppHashValue + File.separator + Constants.ICON_ARTIFACT
-                        storagePath + appHashValue + File.separator + iconName);
+                                + File.separator + iconName,
+                        storagePath + appHashValue + File.separator + Constants.ICON_ARTIFACT + File.separator
+                                + iconName);
             }
             if (screenshot1 != null) {
-                StorageManagementUtil.copy(storagePath + deletingAppHashValue + File.separator + screenshot1,
+                StorageManagementUtil
-                        storagePath + appHashValue + File.separator + screenshot1);
+                        .copy(storagePath + deletingAppHashValue + File.separator + Constants.SCREENSHOT_ARTIFACT + 1
+                                        + File.separator + screenshot1,
+                                storagePath + appHashValue + File.separator + Constants.SCREENSHOT_ARTIFACT + 1
+                                        + File.separator + screenshot1);
             }
             if (screenshot2 != null) {
-                StorageManagementUtil.copy(storagePath + deletingAppHashValue + File.separator + screenshot2,
+                StorageManagementUtil
-                        storagePath + appHashValue + File.separator + screenshot2);
+                        .copy(storagePath + deletingAppHashValue + File.separator + Constants.SCREENSHOT_ARTIFACT + 2
+                                        + File.separator + screenshot2,
+                                storagePath + appHashValue + File.separator + Constants.SCREENSHOT_ARTIFACT + 2
+                                        + File.separator + screenshot2);
             }
             if (screenshot3 != null) {
-                StorageManagementUtil.copy(storagePath + deletingAppHashValue + File.separator + screenshot3,
+                StorageManagementUtil
-                        storagePath + appHashValue + File.separator + screenshot3);
+                        .copy(storagePath + deletingAppHashValue + File.separator + Constants.SCREENSHOT_ARTIFACT + 3
+                                        + File.separator + screenshot3,
+                                storagePath + appHashValue + File.separator + Constants.SCREENSHOT_ARTIFACT + 3
+                                        + File.separator + screenshot3);
             }
             deleteAppReleaseArtifact( storagePath + deletingAppHashValue);
         } catch (IOException e) {
@@ -198,8 +221,9 @@ public class ApplicationStorageManagerImpl implements ApplicationStorageManager
 
 
     @Override
-    public void deleteAppReleaseArtifact(String appReleaseHashVal, String fileName) throws ApplicationStorageManagementException {
+    public void deleteAppReleaseArtifact(String appReleaseHashVal, String folderName, String fileName)
-        String artifactPath = storagePath + appReleaseHashVal + File.separator + fileName;
+            throws ApplicationStorageManagementException {
+        String artifactPath = storagePath + appReleaseHashVal + File.separator + folderName + File.separator + fileName;
         deleteAppReleaseArtifact(artifactPath);
     }
 
@@ -212,8 +236,9 @@ public class ApplicationStorageManagerImpl implements ApplicationStorageManager
     }
 
     @Override
-    public InputStream getFileSttream (String path) throws ApplicationStorageManagementException {
+    public InputStream getFileStream(String hashVal, String folderName, String fileName)
-        String filePath = storagePath + path;
+            throws ApplicationStorageManagementException {
+        String filePath = storagePath + hashVal + File.separator + folderName + File.separator + fileName;
         try {
             return StorageManagementUtil.getInputStream(filePath);
         } catch (IOException e) {

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/impl/AppmDataHandlerImpl.java

@@ -64,12 +64,11 @@ public class AppmDataHandlerImpl implements AppmDataHandler {
         return lifecycleStateManager.getLifecycleConfig();
     }
 
-    @Override
+    @Override public InputStream getArtifactStream(String uuid, String folderName, String artifactName)
-    public InputStream getArtifactStream(String uuid, String artifactName) throws ApplicationManagementException {
+            throws ApplicationManagementException {
         int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId(true);
         ApplicationStorageManager applicationStorageManager = DAOUtil.getApplicationStorageManager();
         ApplicationReleaseDAO applicationReleaseDAO = ApplicationManagementDAOFactory.getApplicationReleaseDAO();
-        String artifactPath;
         String appReleaseHashValue;
         try {
             ConnectionManagerUtil.openDBConnection();
@@ -79,10 +78,10 @@ public class AppmDataHandlerImpl implements AppmDataHandler {
                 log.error(msg);
                 throw new NotFoundException(msg);
             }
-            artifactPath = appReleaseHashValue + Constants.FORWARD_SLASH + artifactName;
+            InputStream inputStream = applicationStorageManager
-            InputStream inputStream = applicationStorageManager.getFileSttream(artifactPath);
+                    .getFileStream(appReleaseHashValue, folderName, artifactName);
             if (inputStream == null) {
-                String msg = "Couldn't file the file in the file system. File path: " + artifactPath;
+                String msg = "Couldn't file the file in the file system.";
                 log.error(msg);
                 throw new ApplicationManagementException(msg);
             }

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/util/APIUtil.java

@@ -338,8 +338,7 @@ public class APIUtil {
         String artifactDownloadEndpoint = ConfigurationManager.getInstance().getConfiguration()
                 .getArtifactDownloadEndpoint();
         String basePath = Constants.ARTIFACT_DOWNLOAD_PROTOCOL + "://" + host + ":" + port + artifactDownloadEndpoint
-                + Constants.FORWARD_SLASH + applicationReleaseDTO.getUuid()
+                + Constants.FORWARD_SLASH + applicationReleaseDTO.getUuid() + Constants.FORWARD_SLASH;
-                + Constants.FORWARD_SLASH;
 
         List<String> screenshotPaths = new ArrayList<>();
         ApplicationRelease applicationRelease = new ApplicationRelease();
@@ -356,28 +355,37 @@ public class APIUtil {
         applicationRelease.setIsSharedWithAllTenants(applicationReleaseDTO.getIsSharedWithAllTenants());
         applicationRelease.setSupportedOsVersions(applicationReleaseDTO.getSupportedOsVersions());
         applicationRelease.setRating(applicationReleaseDTO.getRating());
-        applicationRelease.setIconPath(basePath + applicationReleaseDTO.getIconName());
+        applicationRelease.setIconPath(
+                basePath + Constants.ICON_ARTIFACT + Constants.FORWARD_SLASH + applicationReleaseDTO.getIconName());
 
         if (!StringUtils.isEmpty(applicationReleaseDTO.getBannerName())){
-            applicationRelease.setBannerPath(basePath + applicationReleaseDTO.getBannerName());
+            applicationRelease.setBannerPath(
+                    basePath + Constants.BANNER_ARTIFACT + Constants.FORWARD_SLASH + applicationReleaseDTO
+                            .getBannerName());
         }
 
-        if (urlValidator.isValid(applicationReleaseDTO.getInstallerName())){
+        if (urlValidator.isValid(applicationReleaseDTO.getInstallerName())) {
-            applicationRelease
+            applicationRelease.setInstallerPath(applicationReleaseDTO.getInstallerName());
-                    .setInstallerPath(applicationReleaseDTO.getInstallerName());
         } else {
-            applicationRelease
+            applicationRelease.setInstallerPath(
-                    .setInstallerPath(basePath + applicationReleaseDTO.getInstallerName());
+                    basePath + Constants.APP_ARTIFACT + Constants.FORWARD_SLASH + applicationReleaseDTO
+                            .getInstallerName());
         }
 
         if (!StringUtils.isEmpty(applicationReleaseDTO.getScreenshotName1())) {
-            screenshotPaths.add(basePath + applicationReleaseDTO.getScreenshotName1());
+            screenshotPaths
+                    .add(basePath + Constants.SCREENSHOT_ARTIFACT + 1 + Constants.FORWARD_SLASH + applicationReleaseDTO
+                            .getScreenshotName1());
         }
         if (!StringUtils.isEmpty(applicationReleaseDTO.getScreenshotName2())) {
-            screenshotPaths.add(basePath + applicationReleaseDTO.getScreenshotName2());
+            screenshotPaths
+                    .add(basePath + Constants.SCREENSHOT_ARTIFACT + 2 + Constants.FORWARD_SLASH + applicationReleaseDTO
+                            .getScreenshotName2());
         }
         if (!StringUtils.isEmpty(applicationReleaseDTO.getScreenshotName3())) {
-            screenshotPaths.add(basePath + applicationReleaseDTO.getScreenshotName3());
+            screenshotPaths
+                    .add(basePath + Constants.SCREENSHOT_ARTIFACT + 3 + Constants.FORWARD_SLASH + applicationReleaseDTO
+                            .getScreenshotName3());
         }
         applicationRelease.setScreenshots(screenshotPaths);
         return applicationRelease;

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/util/Constants.java

@@ -61,16 +61,25 @@ public class Constants {
         public static final String DB_TYPE_POSTGRESQL = "PostgreSQL";
     }
 
+    /**
+     * Directory name of the icon artifact that are saved in the file system.
+     */
+    public static final String ICON_ARTIFACT = "icon";
 
     /**
-     * Name of the image artifacts that are saved in the file system.
+     * Directory name of the banner artifact that are saved in the file system.
      */
-    public static final String[] IMAGE_ARTIFACTS = {"icon", "banner", "screenshot"};
+    public static final String BANNER_ARTIFACT = "banner";
 
     /**
-     * Directory name of the release artifacts that are saved in the file system.
+     * Common directory name of the screenshot artifact that are saved in the file system.
      */
-    public static final String RELEASE_ARTIFACT = "artifact";
+    public static final String SCREENSHOT_ARTIFACT = "screenshot";
+
+    /**
+     * Naming directory name of the application artifact that are saved in the file system.
+     */
+    public static final String APP_ARTIFACT = "app";
 
     public static final int REVIEW_PARENT_ID = -1;