Implementing application operations for app management

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

@@ -109,4 +109,20 @@ public class ApplicationManagementAPIImpl {
         return Response.status(Response.Status.OK).entity(application).build();
     }
 
+    @DELETE
+    @Path("applications/{appuuid}")
+    public Response deleteApplication(@PathParam("appuuid") String uuid) {
+        ApplicationManager applicationManager = APIUtil.getApplicationManager();
+        try {
+            applicationManager.deleteApplication(uuid);
+
+        } catch (ApplicationManagementException e) {
+            String msg = "Error occurred while deleting the application: " + uuid;
+            log.error(msg, e);
+            return Response.status(Response.Status.BAD_REQUEST).build();
+        }
+        String responseMsg = "Successfully deleted the application: " + uuid;
+        return Response.status(Response.Status.OK).entity(responseMsg).build();
+    }
+
 }

components/application-mgt/org.wso2.carbon.device.application.mgt.common/src/main/java/org/wso2/carbon/device/application/mgt/common/exception/ApplicationManagementException.java

@@ -18,7 +18,7 @@
  */
 package org.wso2.carbon.device.application.mgt.common.exception;
 
-public abstract class ApplicationManagementException extends Exception {
+public class ApplicationManagementException extends Exception {
 
     String message;
 

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

@@ -29,7 +29,7 @@ public interface ApplicationManager{
 
      public Application editApplication(Application application) throws ApplicationManagementException;
 
-     public void deleteApplication(int uuid) throws ApplicationManagementException;
+     public void deleteApplication(String uuid) throws ApplicationManagementException;
 
      public ApplicationList getApplications(Filter filter) throws ApplicationManagementException;
 }

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/ApplicationDAO.java

@@ -36,7 +36,7 @@ public interface ApplicationDAO {
 
     Application editApplication(Application application) throws ApplicationManagementDAOException;
 
-    void deleteApplication(Application application) throws ApplicationManagementDAOException;
+    void deleteApplication(String uuid) throws ApplicationManagementDAOException;
 
     int getApplicationCount(Filter filter) throws ApplicationManagementDAOException;
 
@@ -44,7 +44,9 @@ public interface ApplicationDAO {
 
     void editProperties(Map<String, String> properties) throws ApplicationManagementDAOException;
 
-    void deleteProperties(List<String> propertyKeys) throws ApplicationManagementDAOException;
+    void deleteProperties(int applicationId) throws ApplicationManagementDAOException;
+
+    void deleteTags(int applicationId) throws ApplicationManagementDAOException;
 
     void changeLifeCycle(LifecycleState lifecycleState) throws ApplicationManagementDAOException;
 

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/common/Util.java

@@ -43,6 +43,8 @@ public class Util {
         application.setId(rs.getInt("ID"));
         application.setName(rs.getString("NAME"));
         application.setUuid(rs.getString("UUID"));
+        application.setIdentifier(rs.getString("IDENTIFIER"));
+        application.setShortDescription(rs.getString("SHORT_DESCRIPTION"));
         application.setDescription(rs.getString("DESCRIPTION"));
         application.setIconName(rs.getString("ICON_NAME"));
         application.setBannerName(rs.getString("BANNER_NAME"));

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

@@ -37,11 +37,6 @@ public abstract class AbstractApplicationDAOImpl extends AbstractDAOImpl impleme
 
     private static final Log log = LogFactory.getLog(AbstractApplicationDAOImpl.class);
 
-    @Override
-    public void deleteApplication(Application application) throws ApplicationManagementDAOException {
-
-    }
-
     @Override
     public int getApplicationCount(Filter filter) throws ApplicationManagementDAOException {
         if(log.isDebugEnabled()){

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/impl/application/H2ApplicationDAOImpl.java

@@ -145,6 +145,21 @@ public class H2ApplicationDAOImpl extends AbstractApplicationDAOImpl {
         return 0;
     }
 
+    @Override
+    public void deleteApplication(String uuid) throws ApplicationManagementDAOException {
+
+    }
+
+    @Override
+    public void deleteProperties(int applicationId) throws ApplicationManagementDAOException {
+
+    }
+
+    @Override
+    public void deleteTags(int applicationId) throws ApplicationManagementDAOException {
+
+    }
+
     @Override
     public Application editApplication(Application application) throws ApplicationManagementDAOException {
         return null;
@@ -160,11 +175,6 @@ public class H2ApplicationDAOImpl extends AbstractApplicationDAOImpl {
 
     }
 
-    @Override
-    public void deleteProperties(List<String> propertyKeys) throws ApplicationManagementDAOException {
-
-    }
-
     @Override
     public void changeLifeCycle(LifecycleState lifecycleState) throws ApplicationManagementDAOException {
 

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

@@ -189,6 +189,27 @@ public class MySQLApplicationDAOImpl extends AbstractApplicationDAOImpl {
         return application;
     }
 
+    @Override
+    public void deleteApplication(String uuid) throws ApplicationManagementDAOException {
+        Connection conn = null;
+        PreparedStatement stmt = null;
+        ResultSet rs = null;
+        try {
+            conn = this.getConnection();
+            String sql = "DELETE FROM APPM_APPLICATION WHERE UUID = ?";
+            stmt = conn.prepareStatement(sql);
+            stmt.setString(1, uuid);
+            stmt.executeUpdate();
+
+        } catch (DBConnectionException e) {
+            throw new ApplicationManagementDAOException("Error occurred while obtaining the DB connection.", e);
+        } catch (SQLException e) {
+            throw new ApplicationManagementDAOException("Error occurred while deleting the application: " + uuid, e);
+        } finally {
+            Util.cleanupResources(stmt, rs);
+        }
+    }
+
     @Override
     public int getApplicationId(String uuid) throws ApplicationManagementDAOException {
         Connection conn = null;
@@ -216,7 +237,6 @@ public class MySQLApplicationDAOImpl extends AbstractApplicationDAOImpl {
         }
 
         return id;
-
     }
 
     @Override
@@ -298,6 +318,22 @@ public class MySQLApplicationDAOImpl extends AbstractApplicationDAOImpl {
                 stmt.executeBatch();
             }
 
+            // delete existing properties and add new ones. if no properties are set, existing ones will be deleted.
+            sql = "DELETE FROM APPM_APPLICATION_PROPERTY WHERE APPLICATION_ID = ?";
+            stmt = conn.prepareStatement(sql);
+            stmt.setInt(1, application.getId());
+            stmt.executeUpdate();
+
+            sql = "INSERT INTO APPM_APPLICATION_PROPERTY (PROP_KEY, PROP_VAL, APPLICATION_ID) VALUES (?, ?, ?); ";
+            stmt = conn.prepareStatement(sql);
+            for (String propKey : application.getProperties().keySet()) {
+                stmt.setString(1, propKey);
+                stmt.setString(2, application.getProperties().get(propKey));
+                stmt.setInt(3, application.getId());
+                stmt.addBatch();
+            }
+            stmt.executeBatch();
+
         } catch (DBConnectionException e) {
             throw new ApplicationManagementDAOException("Error occurred while obtaining the DB connection.", e);
         } catch (SQLException e) {
@@ -318,8 +354,47 @@ public class MySQLApplicationDAOImpl extends AbstractApplicationDAOImpl {
     }
 
     @Override
-    public void deleteProperties(List<String> propertyKeys) throws ApplicationManagementDAOException {
+    public void deleteProperties(int applicationId) throws ApplicationManagementDAOException {
 
+        Connection conn = null;
+        PreparedStatement stmt = null;
+        ResultSet rs = null;
+        try {
+            conn = this.getConnection();
+            String sql = "DELETE FROM APPM_APPLICATION_PROPERTY WHERE APPLICATION_ID = ?";
+            stmt = conn.prepareStatement(sql);
+            stmt.setInt(1, applicationId);
+            stmt.executeUpdate();
+
+        } catch (DBConnectionException e) {
+            throw new ApplicationManagementDAOException("Error occurred while obtaining the DB connection.", e);
+        } catch (SQLException e) {
+            throw new ApplicationManagementDAOException("Error occurred while deleting properties of application: " + applicationId, e);
+        } finally {
+            Util.cleanupResources(stmt, rs);
+        }
+    }
+
+    @Override
+    public void deleteTags(int applicationId) throws ApplicationManagementDAOException {
+
+        Connection conn = null;
+        PreparedStatement stmt = null;
+        ResultSet rs = null;
+        try {
+            conn = this.getConnection();
+            String sql = "DELETE FROM APPM_APPLICATION_TAG WHERE APPLICATION_ID = ?";
+            stmt = conn.prepareStatement(sql);
+            stmt.setInt(1, applicationId);
+            stmt.executeUpdate();
+
+        } catch (DBConnectionException e) {
+            throw new ApplicationManagementDAOException("Error occurred while obtaining the DB connection.", e);
+        } catch (SQLException e) {
+            throw new ApplicationManagementDAOException("Error occurred while deleting tags of application: " + applicationId, e);
+        } finally {
+            Util.cleanupResources(stmt, rs);
+        }
     }
 
     @Override
@@ -345,29 +420,30 @@ public class MySQLApplicationDAOImpl extends AbstractApplicationDAOImpl {
         try {
             conn = this.getConnection();
 
-            sql += "INSERT INTO APPM_APPLICATION (UUID, NAME, SHORT_DESCRIPTION, DESCRIPTION, ICON_NAME, BANNER_NAME, " +
+            sql += "INSERT INTO APPM_APPLICATION (UUID, IDENTIFIER, NAME, SHORT_DESCRIPTION, DESCRIPTION, ICON_NAME, BANNER_NAME, " +
                     "VIDEO_NAME, SCREENSHOTS, CREATED_BY, CREATED_AT, MODIFIED_AT, APPLICATION_CATEGORY_ID, " + "" +
                     "PLATFORM_ID, TENANT_ID, LIFECYCLE_STATE_ID, LIFECYCLE_STATE_MODIFIED_AT, " +
-                    "LIFECYCLE_STATE_MODIFIED_BY) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)";
+                    "LIFECYCLE_STATE_MODIFIED_BY) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)";
 
             stmt = conn.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS);
             stmt.setString(1, application.getUuid());
-            stmt.setString(2, application.getName());
+            stmt.setString(2, application.getIdentifier());
-            stmt.setString(3, application.getShortDescription());
+            stmt.setString(3, application.getName());
-            stmt.setString(4, application.getDescription());
+            stmt.setString(4, application.getShortDescription());
-            stmt.setString(5, application.getIconName());
+            stmt.setString(5, application.getDescription());
-            stmt.setString(6, application.getBannerName());
+            stmt.setString(6, application.getIconName());
-            stmt.setString(7, application.getVideoName());
+            stmt.setString(7, application.getBannerName());
-            stmt.setString(8, JSONUtil.listToJsonArrayString(application.getScreenshots()));
+            stmt.setString(8, application.getVideoName());
-            stmt.setString(9, application.getUser().getUserName());
+            stmt.setString(9, JSONUtil.listToJsonArrayString(application.getScreenshots()));
-            stmt.setDate(10, new Date(application.getCreatedAt().getTime()));
+            stmt.setString(10, application.getUser().getUserName());
-            stmt.setDate(11, new Date(application.getModifiedAt().getTime()));
+            stmt.setDate(11, new Date(application.getCreatedAt().getTime()));
-            stmt.setInt(12, application.getCategory().getId());
+            stmt.setDate(12, new Date(application.getModifiedAt().getTime()));
-            stmt.setInt(13, application.getPlatform().getId());
+            stmt.setInt(13, application.getCategory().getId());
-            stmt.setInt(14, application.getUser().getTenantId());
+            stmt.setInt(14, application.getPlatform().getId());
-            stmt.setInt(15, application.getCurrentLifecycle().getLifecycleState().getId());
+            stmt.setInt(15, application.getUser().getTenantId());
-            stmt.setDate(16, new Date(application.getCurrentLifecycle().getLifecycleStateModifiedAt().getTime()));
+            stmt.setInt(16, application.getCurrentLifecycle().getLifecycleState().getId());
-            stmt.setString(17, application.getCurrentLifecycle().getGetLifecycleStateModifiedBy());
+            stmt.setDate(17, new Date(application.getCurrentLifecycle().getLifecycleStateModifiedAt().getTime()));
+            stmt.setString(18, application.getCurrentLifecycle().getGetLifecycleStateModifiedBy());
             stmt.executeUpdate();
 
             rs = stmt.getGeneratedKeys();

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

@@ -18,6 +18,9 @@
  */
 package org.wso2.carbon.device.application.mgt.core.impl;
 
+import com.sun.corba.se.spi.legacy.connection.Connection;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import org.wso2.carbon.device.application.mgt.common.*;
 import org.wso2.carbon.device.application.mgt.common.exception.ApplicationManagementException;
 import org.wso2.carbon.device.application.mgt.common.exception.DBConnectionException;
@@ -26,6 +29,7 @@ import org.wso2.carbon.device.application.mgt.core.dao.ApplicationDAO;
 import org.wso2.carbon.device.application.mgt.core.dao.LifecycleStateDAO;
 import org.wso2.carbon.device.application.mgt.core.dao.PlatformDAO;
 import org.wso2.carbon.device.application.mgt.core.dao.common.DAOFactory;
+import org.wso2.carbon.device.application.mgt.core.exception.ApplicationManagementDAOException;
 import org.wso2.carbon.device.application.mgt.core.exception.NotFoundException;
 import org.wso2.carbon.device.application.mgt.core.exception.ValidationException;
 import org.wso2.carbon.device.application.mgt.core.util.ConnectionManagerUtil;
@@ -35,7 +39,7 @@ import java.util.Date;
 
 public class ApplicationManagerImpl implements ApplicationManager {
 
-
+    private static final Log log = LogFactory.getLog(ApplicationManagerImpl.class);
     public static final String CREATED = "created";
 
     @Override
@@ -111,8 +115,26 @@ public class ApplicationManagerImpl implements ApplicationManager {
     }
 
     @Override
-    public void deleteApplication(int uuid) throws ApplicationManagementException {
+    public void deleteApplication(String uuid) throws ApplicationManagementException {
 
+        try {
+            ConnectionManagerUtil.openConnection();
+            ApplicationDAO applicationDAO = DAOFactory.getApplicationDAO();
+            int appId = applicationDAO.getApplicationId(uuid);
+            ConnectionManagerUtil.beginTransaction();
+            applicationDAO.deleteTags(appId);
+            applicationDAO.deleteProperties(appId);
+            applicationDAO.deleteApplication(uuid);
+            ConnectionManagerUtil.commitTransaction();
+
+        } catch (ApplicationManagementDAOException e) {
+            ConnectionManagerUtil.rollbackTransaction();
+            String msg = "Failed to delete application: " + uuid;
+            throw new ApplicationManagementException(msg, e);
+
+        } finally {
+            ConnectionManagerUtil.closeConnection();
+        }
     }
 
     @Override