Resolving merge conflicts

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

@@ -20,94 +20,82 @@ package org.wso2.carbon.device.application.mgt.api.services.impl;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
-import org.wso2.carbon.context.PrivilegedCarbonContext;
+import org.wso2.carbon.device.application.mgt.common.*;
-import org.wso2.carbon.device.application.mgt.api.services.ApplicationManagementService;
-import org.wso2.carbon.device.application.mgt.common.Application;
-import org.wso2.carbon.device.application.mgt.common.ApplicationList;
-import org.wso2.carbon.device.application.mgt.common.Filter;
-import org.wso2.carbon.device.application.mgt.common.ApplicationUser;
 import org.wso2.carbon.device.application.mgt.common.exception.ApplicationManagementException;
 import org.wso2.carbon.device.application.mgt.common.services.ApplicationManager;
 import org.wso2.carbon.device.application.mgt.api.APIUtil;
 
 import javax.validation.Valid;
-import javax.ws.rs.Consumes;
+import javax.ws.rs.*;
-import javax.ws.rs.GET;
-import javax.ws.rs.HeaderParam;
-import javax.ws.rs.POST;
-import javax.ws.rs.PUT;
-import javax.ws.rs.Path;
-import javax.ws.rs.Produces;
-import javax.ws.rs.QueryParam;
 import javax.ws.rs.core.Response;
+import java.util.Date;
+
+@Produces({"application/json"})
+@Consumes({"application/json"})
+public class ApplicationManagementAPIImpl {
+
+    public static final int DEFAULT_LIMIT = 20;
 
-@Path("/applications")
-public class ApplicationManagementServiceImpl implements ApplicationManagementService {
-    private static final int DEFAULT_LIMIT = 20;
     public static final String APPLICATION_UPLOAD_EXTENSION = "ApplicationUploadExtension";
-    private static Log log = LogFactory.getLog(ApplicationManagementServiceImpl.class);
+
+    private static Log log = LogFactory.getLog(ApplicationManagementAPIImpl.class);
 
     @GET
-    @Override
+    @Consumes("application/json")
-    public Response getApplications(@HeaderParam("If-Modified-Since") String ifModifiedSince,
+    @Path("applications")
-            @QueryParam("offset") int offset, @QueryParam("limit") int limit, @QueryParam("query") String searchQuery) {
+    public Response getApplications(@QueryParam("offset") int offset, @QueryParam("limit") int limit,
+                                    @QueryParam("query") String searchQuery) {
         ApplicationManager applicationManager = APIUtil.getApplicationManager();
-        if (log.isDebugEnabled()) {
-            log.debug("Received a query for getting applications : offset - " + offset + " limit - " + limit + " "
-                    + "searchQuery - " + searchQuery);
-        }
         try {
             if (limit == 0) {
                 limit = DEFAULT_LIMIT;
-                if (log.isDebugEnabled()) {
-                    log.debug("Received a search query with the limit 0, hence using " + DEFAULT_LIMIT + " as limit "
-                            + "for getting applications");
-                }
             }
             Filter filter = new Filter();
             filter.setOffset(offset);
             filter.setLimit(limit);
             filter.setSearchQuery(searchQuery);
+
             ApplicationList applications = applicationManager.getApplications(filter);
             return Response.status(Response.Status.OK).entity(applications).build();
         } catch (ApplicationManagementException e) {
             String msg = "Error occurred while getting the application list";
             log.error(msg, e);
-            return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
+            return Response.status(Response.Status.NOT_FOUND).build();
         }
     }
 
     @POST
     @Consumes("application/json")
+    @Path("applications")
     public Response createApplication(@Valid Application application) {
+
         ApplicationManager applicationManager = APIUtil.getApplicationManager();
 
         //TODO : Get username and tenantId
-        ApplicationUser applicationUser = new ApplicationUser(PrivilegedCarbonContext.getThreadLocalCarbonContext().getUsername(),
+        User user = new User("admin", -1234);
-                PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId(true));
+        application.setUser(user);
-        application.setUser(applicationUser);
 
-        if (log.isDebugEnabled()) {
-            log.debug("Create Application request received from the user : " + applicationUser.toString());
-        }
         try {
             application = applicationManager.createApplication(application);
+
         } catch (ApplicationManagementException e) {
             String msg = "Error occurred while creating the application";
             log.error(msg, e);
             return Response.status(Response.Status.BAD_REQUEST).build();
         }
-        return Response.status(Response.Status.CREATED).entity(application).build();
+        return Response.status(Response.Status.OK).entity(application).build();
     }
 
+
     @PUT
     @Consumes("application/json")
     @Path("applications")
     public Response editApplication(@Valid Application application) {
+
         ApplicationManager applicationManager = APIUtil.getApplicationManager();
 
         //TODO : Get username and tenantId
-        ApplicationUser user = new ApplicationUser("admin", -1234);
+        User user = new User("admin", -1234);
         application.setUser(user);
 
         try {
@@ -120,5 +108,21 @@ public class ApplicationManagementServiceImpl implements ApplicationManagementSe
         }
         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/Application.java

@@ -73,7 +73,7 @@ public class Application {
 
     private Visibility visibility;
 
-    private ApplicationUser user;
+    private User user;
 
     public int getId() {
         return id;
@@ -243,11 +243,11 @@ public class Application {
         this.visibility = visibility;
     }
 
-    public ApplicationUser getUser() {
+    public User getUser() {
         return user;
     }
 
-    public void setUser(ApplicationUser user) {
+    public void setUser(User user) {
         this.user = user;
     }
 }

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

@@ -21,13 +21,13 @@ package org.wso2.carbon.device.application.mgt.common;
 /**
  * Represents an user of {@link Application}.
  */
-public class ApplicationUser {
+public class User {
 
     private String userName;
 
     private int tenantId;
 
-    public ApplicationUser(String userName, int tenantId) {
+    public User(String userName, int tenantId) {
         this.userName = userName;
         this.tenantId = tenantId;
     }
@@ -50,6 +50,6 @@ public class ApplicationUser {
 
     @Override
     public String toString() {
-        return "ApplicationUser-name : " + userName + "\t Tenant-ID : " + tenantId;
+        return "User-name : " + userName + "\t Tenant-ID : " + tenantId;
     }
 }

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

@@ -21,8 +21,9 @@ package org.wso2.carbon.device.application.mgt.common.exception;
 /**
  * Represents the exception thrown during application management.
  */
-public abstract class ApplicationManagementException extends Exception {
+public class ApplicationManagementException extends Exception {
-    private String message;
+
+    String message;
 
     public ApplicationManagementException(String message, Throwable throwable) {
         super(message, throwable);
@@ -37,7 +38,6 @@ public abstract class ApplicationManagementException extends Exception {
     public ApplicationManagementException() {
 
     }
-
     @Override
     public String getMessage() {
         return message;

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

@@ -49,7 +49,7 @@ public interface ApplicationManager {
      * @param uuid Unique ID for tha application
      * @throws ApplicationManagementException Application Management Exception
      */
-    public void deleteApplication(int uuid) throws ApplicationManagementException;
+     public void deleteApplication(String uuid) throws ApplicationManagementException;
 
     /**
      * To get the applications based on the search filter.

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

@@ -146,22 +146,32 @@ public class H2ApplicationDAOImpl extends AbstractApplicationDAOImpl {
     }
 
     @Override
-    public Application editApplication(Application application) throws ApplicationManagementDAOException {
+    public void deleteApplication(String uuid) throws ApplicationManagementDAOException {
-        return null;
+
     }
 
     @Override
-    public void addProperties(Map<String, String> properties) throws ApplicationManagementDAOException {
+    public void deleteProperties(int applicationId) throws ApplicationManagementDAOException {
 
     }
 
     @Override
-    public void editProperties(Map<String, String> properties) throws ApplicationManagementDAOException {
+    public void deleteTags(int applicationId) throws ApplicationManagementDAOException {
+
+    }
+
+    @Override
+    public Application editApplication(Application application) throws ApplicationManagementDAOException {
+        return null;
+    }
+
+    @Override
+    public void addProperties(Map<String, String> properties) throws ApplicationManagementDAOException {
         
     }
 
     @Override
-    public void deleteProperties(List<String> propertyKeys) throws ApplicationManagementDAOException {
+    public void editProperties(Map<String, String> properties) 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
@@ -350,29 +425,30 @@ 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 +18,7 @@
  */
 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.*;
@@ -28,6 +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;
@@ -36,37 +38,33 @@ import org.wso2.carbon.device.application.mgt.core.util.HelperUtil;
 import java.util.Date;
 
 public class ApplicationManagerImpl implements ApplicationManager {
+
+    private static final Log log = LogFactory.getLog(ApplicationManagerImpl.class);
     public static final String CREATED = "created";
-    private static Log log = LogFactory.getLog(ApplicationManagerImpl.class);
 
     @Override
     public Application createApplication(Application application) throws ApplicationManagementException {
+
         validateApplication(application, false);
 
         try {
             ConnectionManagerUtil.openConnection();
             ApplicationDAO applicationDAO = DAOFactory.getApplicationDAO();
+
             application.setUuid(HelperUtil.generateApplicationUuid());
+
             application.setCreatedAt(new Date());
             application.setModifiedAt(new Date());
 
-            if (log.isDebugEnabled()) {
-                log.debug("Creating Application " + application.getName() + " with UUID " + application.getUuid());
-            }
             LifecycleStateDAO lifecycleStateDAO = DAOFactory.getLifecycleStateDAO();
             LifecycleState lifecycleState = lifecycleStateDAO.getLifeCycleStateByIdentifier(CREATED);
             if (lifecycleState == null) {
-                throw new NotFoundException("Invalid lifecycle state. There is no lifecycle state connected with "
+                throw new NotFoundException("Invalid lifecycle state.");
-                        + "'CREATED'");
             }
 
-            if (log.isDebugEnabled()) {
-                log.debug("Life cycle state of the application " + application.getName() + " set as name - " +
-                        lifecycleState.getName() + " id - " + lifecycleState.getId() + " identifier - " +
-                        lifecycleState.getIdentifier());
-            }
             Lifecycle lifecycle = new Lifecycle();
             lifecycle.setLifecycleState(lifecycleState);
+            lifecycle.setLifecycleState(lifecycleState);
             lifecycle.setLifecycleStateModifiedAt(new Date());
             lifecycle.setGetLifecycleStateModifiedBy(application.getUser().getUserName());
             application.setCurrentLifecycle(lifecycle);
@@ -74,14 +72,10 @@ public class ApplicationManagerImpl implements ApplicationManager {
             PlatformDAO platformDAO = DAOFactory.getPlatformDAO();
             Platform platform = platformDAO.getPlatform(application.getUser().getTenantId(), application.getPlatform().getIdentifier());
             if (platform == null) {
-                throw new NotFoundException("Invalid platform. No platform details found for " + application
+                throw new NotFoundException("Invalid platform");
-                        .getPlatform().getName());
-            }
-            if (log.isDebugEnabled()) {
-                log.debug("Application '" + application.getName() + "' platform is set to (platform name , platform "
-                        + "id)- ( " + platform.getName() + ", " + platform.getIdentifier() + ", " + platform.getId());
             }
             application.setPlatform(platform);
+
             return applicationDAO.createApplication(application);
         } finally {
             ConnectionManagerUtil.closeConnection();
@@ -121,8 +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