Code cleanup (#427)

* Removed dead code.

Signed-off-by: kaizimmerm <kai.zimmermann@bosch-si.com>

* Fix sonar issues.

Signed-off-by: kaizimmerm <kai.zimmermann@bosch-si.com>

hawkbit-dmf-amqp/src/main/java/org/eclipse/hawkbit/amqp/DelayedRequeueExceptionStrategy.java

@@ -10,8 +10,10 @@ package org.eclipse.hawkbit.amqp;
 
 import java.util.concurrent.TimeUnit;
 
+import org.eclipse.hawkbit.repository.exception.EntityNotFoundException;
 import org.eclipse.hawkbit.repository.exception.InvalidTargetAddressException;
 import org.eclipse.hawkbit.repository.exception.TenantNotExistException;
+import org.eclipse.hawkbit.repository.exception.ToManyAttributeEntriesException;
 import org.eclipse.hawkbit.repository.exception.TooManyStatusEntriesException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -40,8 +42,7 @@ public class DelayedRequeueExceptionStrategy extends ConditionalRejectingErrorHa
 
     @Override
     protected boolean isUserCauseFatal(final Throwable cause) {
-        if (cause instanceof TenantNotExistException || cause instanceof TooManyStatusEntriesException
-                || cause instanceof InvalidTargetAddressException) {
+        if (invalidMessage(cause)) {
             return true;
         }
 
@@ -56,4 +57,13 @@ public class DelayedRequeueExceptionStrategy extends ConditionalRejectingErrorHa
 
         return false;
     }
+
+    private boolean invalidMessage(final Throwable cause) {
+        return doesNotExist(cause) || cause instanceof TooManyStatusEntriesException
+                || cause instanceof InvalidTargetAddressException || cause instanceof ToManyAttributeEntriesException;
+    }
+
+    private boolean doesNotExist(final Throwable cause) {
+        return cause instanceof TenantNotExistException || cause instanceof EntityNotFoundException;
+    }
 }

hawkbit-mgmt-resource/src/main/java/org/eclipse/hawkbit/mgmt/rest/resource/MgmtDistributionSetMapper.java

@@ -61,7 +61,7 @@ public final class MgmtDistributionSetMapper {
      *            to convert
      * @return converted {@link DistributionSet}
      */
-    static DistributionSetCreate fromRequest(final MgmtDistributionSetRequestBodyPost dsRest,
+    private static DistributionSetCreate fromRequest(final MgmtDistributionSetRequestBodyPost dsRest,
             final EntityFactory entityFactory) {
 
         final List<Long> modules = new ArrayList<>();
@@ -97,14 +97,7 @@ public final class MgmtDistributionSetMapper {
                 .collect(Collectors.toList());
     }
 
-    /**
-     * Create a response for distribution set.
-     * 
-     * @param distributionSet
-     *            the ds set
-     * @return the response
-     */
-    public static MgmtDistributionSet toResponse(final DistributionSet distributionSet) {
+    static MgmtDistributionSet toResponse(final DistributionSet distributionSet) {
         if (distributionSet == null) {
             return null;
         }

hawkbit-mgmt-resource/src/main/java/org/eclipse/hawkbit/mgmt/rest/resource/MgmtDistributionSetTypeMapper.java

@@ -47,7 +47,7 @@ final class MgmtDistributionSetTypeMapper {
         return smTypesRest.stream().map(smRest -> fromRequest(entityFactory, smRest)).collect(Collectors.toList());
     }
 
-    static DistributionSetTypeCreate fromRequest(final EntityFactory entityFactory,
+    private static DistributionSetTypeCreate fromRequest(final EntityFactory entityFactory,
             final MgmtDistributionSetTypeRequestBodyPost smsRest) {
         return entityFactory.distributionSetType().create().key(smsRest.getKey()).name(smsRest.getName())
                 .description(smsRest.getDescription()).colour(smsRest.getColour())

hawkbit-mgmt-resource/src/main/java/org/eclipse/hawkbit/mgmt/rest/resource/MgmtRolloutMapper.java

@@ -186,56 +186,56 @@ final class MgmtRolloutMapper {
         return body;
     }
 
-    static RolloutGroupErrorCondition mapErrorCondition(final Condition condition) {
+    private static RolloutGroupErrorCondition mapErrorCondition(final Condition condition) {
         if (Condition.THRESHOLD.equals(condition)) {
             return RolloutGroupErrorCondition.THRESHOLD;
         }
         throw new IllegalArgumentException(createIllegalArgumentLiteral(condition));
     }
 
-    static RolloutGroupSuccessCondition mapFinishCondition(final Condition condition) {
+    private static RolloutGroupSuccessCondition mapFinishCondition(final Condition condition) {
         if (Condition.THRESHOLD.equals(condition)) {
             return RolloutGroupSuccessCondition.THRESHOLD;
         }
         throw new IllegalArgumentException(createIllegalArgumentLiteral(condition));
     }
 
-    static Condition map(final RolloutGroupSuccessCondition rolloutCondition) {
+    private static Condition map(final RolloutGroupSuccessCondition rolloutCondition) {
         if (RolloutGroupSuccessCondition.THRESHOLD.equals(rolloutCondition)) {
             return Condition.THRESHOLD;
         }
         throw new IllegalArgumentException("Rollout group condition " + rolloutCondition + NOT_SUPPORTED);
     }
 
-    static Condition map(final RolloutGroupErrorCondition rolloutCondition) {
+    private static Condition map(final RolloutGroupErrorCondition rolloutCondition) {
         if (RolloutGroupErrorCondition.THRESHOLD.equals(rolloutCondition)) {
             return Condition.THRESHOLD;
         }
         throw new IllegalArgumentException("Rollout group condition " + rolloutCondition + NOT_SUPPORTED);
     }
 
-    static RolloutGroupErrorAction map(final ErrorAction action) {
+    private static RolloutGroupErrorAction map(final ErrorAction action) {
         if (ErrorAction.PAUSE.equals(action)) {
             return RolloutGroupErrorAction.PAUSE;
         }
         throw new IllegalArgumentException("Error Action " + action + NOT_SUPPORTED);
     }
 
-    static RolloutGroupSuccessAction map(final SuccessAction action) {
+    private static RolloutGroupSuccessAction map(final SuccessAction action) {
         if (SuccessAction.NEXTGROUP.equals(action)) {
             return RolloutGroupSuccessAction.NEXTGROUP;
         }
         throw new IllegalArgumentException("Success Action " + action + NOT_SUPPORTED);
     }
 
-    static SuccessAction map(final RolloutGroupSuccessAction successAction) {
+    private static SuccessAction map(final RolloutGroupSuccessAction successAction) {
         if (RolloutGroupSuccessAction.NEXTGROUP.equals(successAction)) {
             return SuccessAction.NEXTGROUP;
         }
         throw new IllegalArgumentException("Rollout group success action " + successAction + NOT_SUPPORTED);
     }
 
-    static ErrorAction map(final RolloutGroupErrorAction errorAction) {
+    private static ErrorAction map(final RolloutGroupErrorAction errorAction) {
         if (RolloutGroupErrorAction.PAUSE.equals(errorAction)) {
             return ErrorAction.PAUSE;
         }

hawkbit-mgmt-resource/src/main/java/org/eclipse/hawkbit/mgmt/rest/resource/MgmtSoftwareModuleMapper.java

@@ -42,7 +42,7 @@ public final class MgmtSoftwareModuleMapper {
         // Utility class
     }
 
-    static SoftwareModuleCreate fromRequest(final EntityFactory entityFactory,
+    private static SoftwareModuleCreate fromRequest(final EntityFactory entityFactory,
             final MgmtSoftwareModuleRequestBodyPost smsRest) {
         return entityFactory.softwareModule().create().type(smsRest.getType()).name(smsRest.getName())
                 .version(smsRest.getVersion()).description(smsRest.getDescription()).vendor(smsRest.getVendor());
@@ -68,14 +68,7 @@ public final class MgmtSoftwareModuleMapper {
         return smsRest.stream().map(smRest -> fromRequest(entityFactory, smRest)).collect(Collectors.toList());
     }
 
-    /**
-     * Create response for sw modules.
-     * 
-     * @param softwareModules
-     *            the modules
-     * @return the response
-     */
-    public static List<MgmtSoftwareModule> toResponse(final Collection<SoftwareModule> softwareModules) {
+    static List<MgmtSoftwareModule> toResponse(final Collection<SoftwareModule> softwareModules) {
         if (softwareModules == null) {
             return Collections.emptyList();
         }
@@ -99,14 +92,7 @@ public final class MgmtSoftwareModuleMapper {
         return metadataRest;
     }
 
-    /**
-     * Create response for one sw module.
-     * 
-     * @param baseSofwareModule
-     *            the sw module
-     * @return the response
-     */
-    public static MgmtSoftwareModule toResponse(final SoftwareModule baseSofwareModule) {
+    static MgmtSoftwareModule toResponse(final SoftwareModule baseSofwareModule) {
         if (baseSofwareModule == null) {
             return null;
         }

hawkbit-mgmt-resource/src/main/java/org/eclipse/hawkbit/mgmt/rest/resource/MgmtSoftwareModuleTypeMapper.java

@@ -45,7 +45,7 @@ final class MgmtSoftwareModuleTypeMapper {
         return smTypesRest.stream().map(smRest -> fromRequest(entityFactory, smRest)).collect(Collectors.toList());
     }
 
-    static SoftwareModuleTypeCreate fromRequest(final EntityFactory entityFactory,
+    private static SoftwareModuleTypeCreate fromRequest(final EntityFactory entityFactory,
             final MgmtSoftwareModuleTypeRequestBodyPost smsRest) {
         return entityFactory.softwareModuleType().create().key(smsRest.getKey()).name(smsRest.getName())
                 .description(smsRest.getDescription()).colour(smsRest.getColour())

hawkbit-mgmt-resource/src/main/java/org/eclipse/hawkbit/mgmt/rest/resource/MgmtSystemMapper.java

@@ -30,14 +30,7 @@ public final class MgmtSystemMapper {
         // Utility class
     }
 
-    /**
-     * @param tenantConfigurationManagement
-     *            instance of TenantConfigurationManagement
-     * @param tenantConfigurationProperties
-     *            to get defined keys
-     * @return a map of all existing configuration values
-     */
-    public static Map<String, MgmtSystemTenantConfigurationValue> toResponse(
+    static Map<String, MgmtSystemTenantConfigurationValue> toResponse(
             final TenantConfigurationManagement tenantConfigurationManagement,
             final TenantConfigurationProperties tenantConfigurationProperties) {
 
@@ -46,17 +39,7 @@ public final class MgmtSystemMapper {
                         tenantConfigurationManagement.getConfigurationValue(key.getKeyName()))));
     }
 
-    /**
-     * maps a TenantConfigurationValue from the repository model to a
-     * MgmtSystemTenantConfigurationValue, the RESTful model.
-     * 
-     * @param key
-     *            the key
-     * @param repoConfValue
-     *            configuration value as repository model
-     * @return configuration value as RESTful model
-     */
-    public static MgmtSystemTenantConfigurationValue toResponse(final String key,
+    static MgmtSystemTenantConfigurationValue toResponse(final String key,
             final TenantConfigurationValue<?> repoConfValue) {
         final MgmtSystemTenantConfigurationValue restConfValue = new MgmtSystemTenantConfigurationValue();
 

hawkbit-mgmt-resource/src/main/java/org/eclipse/hawkbit/mgmt/rest/resource/MgmtTargetFilterQueryMapper.java

@@ -35,27 +35,13 @@ public final class MgmtTargetFilterQueryMapper {
         // Utility class
     }
 
-    /**
-     * Create a response for target filter queries.
-     *
-     * @param filters
-     *            list of targets
-     * @return the response
-     */
-    public static List<MgmtTargetFilterQuery> toResponse(final List<TargetFilterQuery> filters) {
+    static List<MgmtTargetFilterQuery> toResponse(final List<TargetFilterQuery> filters) {
         if (CollectionUtils.isEmpty(filters)) {
             return Collections.emptyList();
         }
         return filters.stream().map(MgmtTargetFilterQueryMapper::toResponse).collect(Collectors.toList());
     }
 
-    /**
-     * Create a response for target filter query.
-     *
-     * @param filter
-     *            the target
-     * @return the response
-     */
     static MgmtTargetFilterQuery toResponse(final TargetFilterQuery filter) {
         final MgmtTargetFilterQuery targetRest = new MgmtTargetFilterQuery();
         targetRest.setFilterId(filter.getId());

hawkbit-mgmt-resource/src/main/java/org/eclipse/hawkbit/mgmt/rest/resource/MgmtTargetMapper.java

@@ -68,15 +68,7 @@ public final class MgmtTargetMapper {
                         .withRel(MgmtRestConstants.TARGET_V1_ACTIONS));
     }
 
-    /**
-     * Add the poll status to a target response.
-     *
-     * @param target
-     *            the target
-     * @param targetRest
-     *            the response
-     */
-    public static void addPollStatus(final Target target, final MgmtTarget targetRest) {
+    static void addPollStatus(final Target target, final MgmtTarget targetRest) {
         final PollStatus pollStatus = target.getTargetInfo().getPollStatus();
         if (pollStatus != null) {
             final MgmtPollStatus pollStatusRest = new MgmtPollStatus();
@@ -89,14 +81,7 @@ public final class MgmtTargetMapper {
         }
     }
 
-    /**
-     * Create a response which includes links and pollstatus for all targets.
-     *
-     * @param targets
-     *            the targets
-     * @return the response
-     */
-    public static List<MgmtTarget> toResponseWithLinksAndPollStatus(final Collection<Target> targets) {
+    static List<MgmtTarget> toResponseWithLinksAndPollStatus(final Collection<Target> targets) {
         if (targets == null) {
             return Collections.emptyList();
         }
@@ -109,14 +94,7 @@ public final class MgmtTargetMapper {
         }).collect(Collectors.toList()));
     }
 
-    /**
-     * Create a response for targets.
-     *
-     * @param targets
-     *            list of targets
-     * @return the response
-     */
-    public static List<MgmtTarget> toResponse(final Collection<Target> targets) {
+    static List<MgmtTarget> toResponse(final Collection<Target> targets) {
         if (targets == null) {
             return Collections.emptyList();
         }
@@ -183,7 +161,7 @@ public final class MgmtTargetMapper {
                 .collect(Collectors.toList());
     }
 
-    static TargetCreate fromRequest(final EntityFactory entityFactory, final MgmtTargetRequestBody targetRest) {
+    private static TargetCreate fromRequest(final EntityFactory entityFactory, final MgmtTargetRequestBody targetRest) {
         return entityFactory.target().create().controllerId(targetRest.getControllerId()).name(targetRest.getName())
                 .description(targetRest.getDescription()).securityToken(targetRest.getSecurityToken())
                 .address(targetRest.getAddress());

hawkbit-repository/hawkbit-repository-api/src/main/java/org/eclipse/hawkbit/repository/exception/ToManyAttributeEntriesException.java

@@ -13,10 +13,6 @@ import org.eclipse.hawkbit.exception.SpServerError;
 
 /**
  * Thrown if too many status entries have been inserted.
- *
- *
- *
- *
  */
 public final class ToManyAttributeEntriesException extends AbstractServerRtException {
     /**

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/model/AbstractJpaNamedEntity.java

@@ -51,7 +51,7 @@ public abstract class AbstractJpaNamedEntity extends AbstractJpaTenantAwareBaseE
      * @param description
      *            of the {@link NamedEntity}
      */
-    public AbstractJpaNamedEntity(final String name, final String description) {
+    AbstractJpaNamedEntity(final String name, final String description) {
         this.name = name;
         this.description = description;
     }

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/model/AbstractJpaNamedVersionedEntity.java

@@ -41,7 +41,7 @@ public abstract class AbstractJpaNamedVersionedEntity extends AbstractJpaNamedEn
      *            of the entity
      * @param description
      */
-    public AbstractJpaNamedVersionedEntity(final String name, final String version, final String description) {
+    AbstractJpaNamedVersionedEntity(final String name, final String version, final String description) {
         super(name, description);
         this.version = version;
     }

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/model/AbstractJpaTenantAwareBaseEntity.java

@@ -47,7 +47,7 @@ public abstract class AbstractJpaTenantAwareBaseEntity extends AbstractJpaBaseEn
      * entities.
      */
     @PrePersist
-    public void prePersist() {
+    void prePersist() {
         // before persisting the entity check the current ID of the tenant by
         // using the TenantAware
         // service

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/model/DistributionSetTypeElement.java

@@ -66,7 +66,7 @@ public class DistributionSetTypeElement implements Serializable {
      *            to <code>true</code> if the {@link SoftwareModuleType} if
      *            mandatory element in the {@link DistributionSet}.
      */
-    public DistributionSetTypeElement(final JpaDistributionSetType dsType, final JpaSoftwareModuleType smType,
+    DistributionSetTypeElement(final JpaDistributionSetType dsType, final JpaSoftwareModuleType smType,
             final boolean mandatory) {
         super();
         key = new DistributionSetTypeElementCompositeKey(dsType, smType);
@@ -75,7 +75,7 @@ public class DistributionSetTypeElement implements Serializable {
         this.mandatory = mandatory;
     }
 
-    public DistributionSetTypeElement setMandatory(final boolean mandatory) {
+    DistributionSetTypeElement setMandatory(final boolean mandatory) {
         this.mandatory = mandatory;
         return this;
     }

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/model/JpaActionStatus.java

@@ -117,22 +117,6 @@ public class JpaActionStatus extends AbstractJpaTenantAwareBaseEntity implements
         this.occurredAt = occurredAt;
     }
 
-    /**
-     * Creates a new {@link ActionStatus} object.
-     *
-     * @param status
-     *            the status for this action status
-     * @param occurredAt
-     *            the occurred timestamp
-     * @param message
-     *            the message which should be added to this action status
-     */
-    public JpaActionStatus(final Status status, final Long occurredAt, final String message) {
-        this.status = status;
-        this.occurredAt = occurredAt;
-        addMessage(message);
-    }
-
     /**
      * JPA default constructor.
      */

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/model/JpaDistributionSetTag.java

@@ -41,16 +41,6 @@ public class JpaDistributionSetTag extends JpaTag implements DistributionSetTag,
     @ManyToMany(mappedBy = "tags", targetEntity = JpaDistributionSet.class, fetch = FetchType.LAZY)
     private List<DistributionSet> assignedToDistributionSet;
 
-    /**
-     * Public constructor.
-     *
-     * @param name
-     *            of the {@link DistributionSetTag}
-     **/
-    public JpaDistributionSetTag(final String name) {
-        super(name, null, null);
-    }
-
     /**
      * Public constructor.
      *

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/model/JpaTargetFilterQuery.java

@@ -56,19 +56,6 @@ public class JpaTargetFilterQuery extends AbstractJpaTenantAwareBaseEntity imple
         // Default constructor for JPA.
     }
 
-    /**
-     * Public constructor.
-     * 
-     * @param name
-     *            of the {@link TargetFilterQuery}.
-     * @param query
-     *            of the {@link TargetFilterQuery}.
-     */
-    public JpaTargetFilterQuery(final String name, final String query) {
-        this.name = name;
-        this.query = query;
-    }
-
     /**
      * Construct a Target filter query with auto assign distribution set
      * 

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/model/JpaTargetTag.java

@@ -55,16 +55,6 @@ public class JpaTargetTag extends JpaTag implements TargetTag, EventAwareEntity
         super(name, description, colour);
     }
 
-    /**
-     * Public constructor.
-     *
-     * @param name
-     *            of the {@link TargetTag}
-     **/
-    public JpaTargetTag(final String name) {
-        super(name, null, null);
-    }
-
     public JpaTargetTag() {
         // Default constructor for JPA.
     }

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/HawkbitUI.java

@@ -9,6 +9,7 @@
 package org.eclipse.hawkbit.ui;
 
 import java.io.IOException;
+import java.io.InputStream;
 import java.util.Locale;
 import java.util.Set;
 
@@ -156,13 +157,14 @@ public class HawkbitUI extends DefaultHawkbitUI implements DetachListener {
         setContent(rootLayout);
         final Resource resource = context
                 .getResource("classpath:/VAADIN/themes/" + UI.getCurrent().getTheme() + "/layouts/footer.html");
-        try {
-            final CustomLayout customLayout = new CustomLayout(resource.getInputStream());
+        try (InputStream resourceStream = resource.getInputStream()) {
+            final CustomLayout customLayout = new CustomLayout(resourceStream);
             customLayout.setSizeUndefined();
             contentVerticalLayout.addComponent(customLayout);
         } catch (final IOException ex) {
-            LOG.error("Footer file is missing", ex);
+            LOG.error("Footer file cannot be loaded", ex);
         }
+
         final Navigator navigator = new Navigator(this, content);
         navigator.addViewChangeListener(new ViewChangeListener() {
             private static final long serialVersionUID = 1L;

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/artifacts/details/ArtifactDetailsLayout.java

@@ -424,19 +424,11 @@ public class ArtifactDetailsLayout extends VerticalLayout {
     /**
      * Set title of artifact details header layout.
      */
-    public void setTitleOfLayoutHeader() {
+    private void setTitleOfLayoutHeader() {
         titleOfArtifactDetails.setValue(HawkbitCommonUtil.getArtifactoryDetailsLabelId(""));
         titleOfArtifactDetails.setContentMode(ContentMode.HTML);
     }
 
-    /**
-     * Close artifact details layout.
-     */
-    public void closeArtifactDetails() {
-        removeAllComponents();
-        setVisible(false);
-    }
-
     @EventBusListenerMethod(scope = EventScope.UI)
     void onEvent(final SoftwareModuleEvent softwareModuleEvent) {
         if (BaseEntityEventType.SELECTED_ENTITY == softwareModuleEvent.getEventType()) {

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/artifacts/upload/UploadLayout.java

@@ -100,8 +100,6 @@ public class UploadLayout extends VerticalLayout {
 
     private UploadConfirmationWindow currentUploadConfirmationwindow;
 
-    private VerticalLayout dropAreaLayout;
-
     private final UI ui;
 
     private HorizontalLayout fileUploadLayout;
@@ -309,7 +307,7 @@ public class UploadLayout extends VerticalLayout {
     }
 
     private VerticalLayout createDropAreaLayout() {
-        dropAreaLayout = new VerticalLayout();
+        final VerticalLayout dropAreaLayout = new VerticalLayout();
         final Label dropHereLabel = new Label("Drop files to upload");
         dropHereLabel.setWidth(null);
 
@@ -403,7 +401,7 @@ public class UploadLayout extends VerticalLayout {
 
     }
 
-    Boolean validate(final DragAndDropEvent event) {
+    private Boolean validate(final DragAndDropEvent event) {
         // check if drop is valid.If valid ,check if software module is
         // selected.
         if (!isFilesDropped(event)) {
@@ -446,7 +444,7 @@ public class UploadLayout extends VerticalLayout {
      *            the current selected sm module
      * @return Boolean
      */
-    public Boolean checkIfFileIsDuplicate(final String name, final SoftwareModule selectedSoftwareModule) {
+    Boolean checkIfFileIsDuplicate(final String name, final SoftwareModule selectedSoftwareModule) {
         Boolean isDuplicate = false;
         final String currentBaseSoftwareModuleKey = HawkbitCommonUtil
                 .getFormattedNameVersion(selectedSoftwareModule.getName(), selectedSoftwareModule.getVersion());
@@ -462,18 +460,18 @@ public class UploadLayout extends VerticalLayout {
         return isDuplicate;
     }
 
-    void decreaseNumberOfFileUploadsExpected() {
+    private void decreaseNumberOfFileUploadsExpected() {
         artifactUploadState.getNumberOfFileUploadsExpected().decrementAndGet();
     }
 
-    List<String> getDuplicateFileNamesList() {
+    private List<String> getDuplicateFileNamesList() {
         return duplicateFileNamesList;
     }
 
     /**
      * Update pending action count.
      */
-    void updateActionCount() {
+    private void updateActionCount() {
         if (!artifactUploadState.getFileSelected().isEmpty()) {
             processBtn.setCaption(SPUILabelDefinitions.PROCESS + "<div class='unread'>"
                     + artifactUploadState.getFileSelected().size() + HTML_DIV);
@@ -482,7 +480,7 @@ public class UploadLayout extends VerticalLayout {
         }
     }
 
-    void displayDuplicateValidationMessage() {
+    private void displayDuplicateValidationMessage() {
         // check if streaming of all dropped files are completed
         if (artifactUploadState.getNumberOfFilesActuallyUpload().intValue() == artifactUploadState
                 .getNumberOfFileUploadsExpected().intValue()) {
@@ -505,18 +503,11 @@ public class UploadLayout extends VerticalLayout {
         return message.toString();
     }
 
-    /**
-     * Show the duplicated message.
-     */
-    public void showDuplicateMessage() {
-        uiNotification.displayValidationError(getDuplicateFileValidationMessage());
-    }
-
     void increaseNumberOfFileUploadsExpected() {
         artifactUploadState.getNumberOfFileUploadsExpected().incrementAndGet();
     }
 
-    void updateFileSize(final String name, final long size, final SoftwareModule selectedSoftwareModule) {
+    private void updateFileSize(final String name, final long size, final SoftwareModule selectedSoftwareModule) {
         final String currentBaseSoftwareModuleKey = HawkbitCommonUtil
                 .getFormattedNameVersion(selectedSoftwareModule.getName(), selectedSoftwareModule.getVersion());
 
@@ -530,18 +521,18 @@ public class UploadLayout extends VerticalLayout {
         }
     }
 
-    void increaseNumberOfFilesActuallyUpload() {
+    private void increaseNumberOfFilesActuallyUpload() {
         artifactUploadState.getNumberOfFilesActuallyUpload().incrementAndGet();
     }
 
-    void increaseNumberOfFileUploadsFailed() {
+    private void increaseNumberOfFileUploadsFailed() {
         artifactUploadState.getNumberOfFileUploadsFailed().incrementAndGet();
     }
 
     /**
      * Enable process button once upload is completed.
      */
-    boolean enableProcessBtn() {
+    private boolean enableProcessBtn() {
         if (artifactUploadState.getNumberOfFilesActuallyUpload().intValue() >= artifactUploadState
                 .getNumberOfFileUploadsExpected().intValue() && !getFileSelected().isEmpty()) {
             processBtn.setEnabled(true);
@@ -652,13 +643,6 @@ public class UploadLayout extends VerticalLayout {
         this.currentUploadConfirmationwindow = currentUploadConfirmationwindow;
     }
 
-    /**
-     * @return
-     */
-    VerticalLayout getDropAreaLayout() {
-        return dropAreaLayout;
-    }
-
     private void onStartOfUpload() {
         setUploadStatusButtonIconToInProgress();
         if (artifactUploadState.isStatusPopupMinimized()) {
@@ -752,23 +736,10 @@ public class UploadLayout extends VerticalLayout {
         }
     }
 
-    /**
-     * set upload status and confirmation window.
-     *
-     * @param newWidth
-     *            browser width
-     * @param newHeight
-     *            browser height
-     */
-    public void setUploadPopupSize(final float newWidth, final float newHeight) {
-        setConfirmationPopupHeightWidth(newWidth, newHeight);
-        setResultPopupHeightWidth(newWidth, newHeight);
-    }
-
     /**
      * @param selectedBaseSoftwareModule
      */
-    public void refreshArtifactDetailsLayout(final SoftwareModule selectedBaseSoftwareModule) {
+    void refreshArtifactDetailsLayout(final SoftwareModule selectedBaseSoftwareModule) {
         eventBus.publish(this,
                 new SoftwareModuleEvent(SoftwareModuleEventType.ARTIFACTS_CHANGED, selectedBaseSoftwareModule));
     }
@@ -799,7 +770,7 @@ public class UploadLayout extends VerticalLayout {
         uploadStatusButton.setVisible(false);
     }
 
-    void updateStatusButtonCount() {
+    private void updateStatusButtonCount() {
         final int uploadsPending = artifactUploadState.getNumberOfFileUploadsExpected().get()
                 - artifactUploadState.getNumberOfFilesActuallyUpload().get();
         final int uploadsFailed = artifactUploadState.getNumberOfFileUploadsFailed().get();
@@ -830,7 +801,7 @@ public class UploadLayout extends VerticalLayout {
         updateStatusButtonCount();
     }
 
-    protected void hideUploadStatusButton() {
+    private void hideUploadStatusButton() {
         if (uploadStatusButton == null) {
             return;
         }

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/common/confirmwindow/layout/ConfirmationWindowEvents.java

@@ -1,20 +0,0 @@
-/**
- * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- */
-package org.eclipse.hawkbit.ui.common.confirmwindow.layout;
-
-/**
- * Confirm window action events.
- * 
- *
- *
- * 
- */
-public enum ConfirmationWindowEvents {
-    DISCARD_DELETE_SOFTWARE_TYPE, DISCARD_ALL_DELETE_SOFTWARE_TYPE, DELETE_ALL_SOFWARE_TYPE, DISCARD_DELETE_DIST_TYPE, DISCARD_ALL_DELETE_DIST_TYPE, DELETE_ALL_DIST_TYPE, DISCARD_DELETE_SOFTWARE_MODULE, DISCARD_ALL_DELETE_SOFTWARE_MODULE, DELETE_ALL_SOFTWARE_MODULE, DISCARD_DELETE_DISTRIBUTION, DISCARD_ALL_DELETE_DISTRIBUTION, DELETE_ALL_DISTRIBUTION, DISCARD_DELETE_TARGET, DISCARD_ALL_DELETE_TARGET, DELETE_ALL_TARGET, SAVED_ASSIGNMENTS, DISCARD_ALL_ASSIGNMENTS, DISCARD_ASSIGNMENTS
-}

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/common/detailslayout/AbstractTableDetailsLayout.java

@@ -25,7 +25,6 @@ import org.eclipse.hawkbit.ui.utils.I18N;
 import org.eclipse.hawkbit.ui.utils.SPDateTimeUtil;
 import org.eclipse.hawkbit.ui.utils.SPUIStyleDefinitions;
 import org.eclipse.hawkbit.ui.utils.UIComponentIdProvider;
-import org.vaadin.spring.events.EventBus;
 import org.vaadin.spring.events.EventBus.UIEventBus;
 
 import com.vaadin.server.FontAwesome;
@@ -48,8 +47,6 @@ public abstract class AbstractTableDetailsLayout<T extends NamedEntity> extends
 
     private final I18N i18n;
 
-    private final transient EventBus.UIEventBus eventBus;
-
     private final SpPermissionChecker permissionChecker;
 
     private T selectedBaseEntity;
@@ -75,7 +72,6 @@ public abstract class AbstractTableDetailsLayout<T extends NamedEntity> extends
     protected AbstractTableDetailsLayout(final I18N i18n, final UIEventBus eventBus,
             final SpPermissionChecker permissionChecker, final ManagementUIState managementUIState) {
         this.i18n = i18n;
-        this.eventBus = eventBus;
         this.permissionChecker = permissionChecker;
         this.managementUIState = managementUIState;
         detailsLayout = getTabLayout();
@@ -91,10 +87,6 @@ public abstract class AbstractTableDetailsLayout<T extends NamedEntity> extends
         return permissionChecker;
     }
 
-    protected EventBus.UIEventBus getEventBus() {
-        return eventBus;
-    }
-
     protected I18N getI18n() {
         return i18n;
     }

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/common/table/AbstractTable.java

@@ -183,7 +183,7 @@ public abstract class AbstractTable<E extends NamedEntity, I> extends Table impl
         }
     }
 
-    protected void applyMaxTableSettings() {
+    private void applyMaxTableSettings() {
         setColumnProperties();
         setValue(null);
         setSelectable(false);
@@ -192,7 +192,7 @@ public abstract class AbstractTable<E extends NamedEntity, I> extends Table impl
         setColumnCollapsingAllowed(true);
     }
 
-    protected void applyMinTableSettings() {
+    private void applyMinTableSettings() {
         setDefault();
         setColumnProperties();
         selectRow();

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/components/NotificationUnreadButton.java

@@ -57,7 +57,7 @@ public class NotificationUnreadButton extends Button {
      *            i18n
      */
     @Autowired
-    public NotificationUnreadButton(final I18N i18n) {
+    NotificationUnreadButton(final I18N i18n) {
         this.i18n = i18n;
         this.unreadNotifications = new ConcurrentHashMap<>();
         setIcon(FontAwesome.BELL);

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/decorators/HeaderLayoutDecorator.java

@@ -1,29 +0,0 @@
-/**
- * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- */
-package org.eclipse.hawkbit.ui.decorators;
-
-import com.vaadin.ui.HorizontalLayout;
-
-/**
- *
- *
- * Ui header layout decorater.
- */
-@FunctionalInterface
-public interface HeaderLayoutDecorator {
-
-    /**
-     * decorate the header
-     * 
-     * @param layout
-     *            the layout
-     * @return the decorated layout
-     */
-    HorizontalLayout decorate(HorizontalLayout layout);
-}

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/decorators/SPUIButtonStyleLargeIconNoBorder.java

@@ -1,46 +0,0 @@
-/**
- * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- */
-package org.eclipse.hawkbit.ui.decorators;
-
-import com.vaadin.server.Resource;
-import com.vaadin.ui.Button;
-import com.vaadin.ui.themes.ValoTheme;
-
-/**
- *
- * Large icon button created to show or hide button.
- * 
- *
- *
- *
- *
- */
-public class SPUIButtonStyleLargeIconNoBorder implements SPUIButtonDecorator {
-
-    /**
-     * {@inheritDoc}
-     */
-    @Override
-    public Button decorate(Button button, String style, boolean setStyle, Resource icon) {
-        button.addStyleName(ValoTheme.BUTTON_LARGE);
-        button.addStyleName(ValoTheme.BUTTON_BORDERLESS_COLORED);
-        button.addStyleName(ValoTheme.BUTTON_ICON_ONLY);
-        if (setStyle && style != null) {
-            button.addStyleName(style);
-        }
-        button.setWidthUndefined();
-        // Set icon
-        if (null != icon) {
-            button.setIcon(icon);
-        }
-        return button;
-
-    }
-
-}

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/decorators/SPUIButtonStylePrimarySmall.java

@@ -1,40 +0,0 @@
-/**
- * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- */
-package org.eclipse.hawkbit.ui.decorators;
-
-import com.vaadin.server.Resource;
-import com.vaadin.ui.Button;
-import com.vaadin.ui.themes.ValoTheme;
-
-/**
- * Style for button: Primary.
- */
-public class SPUIButtonStylePrimarySmall implements SPUIButtonDecorator {
-
-    @Override
-    public Button decorate(final Button button, final String style, final boolean setStyle, final Resource icon) {
-        button.addStyleName(ValoTheme.BUTTON_PRIMARY + " " + ValoTheme.BUTTON_SMALL);
-        // Set Style
-        if (null != style) {
-            if (setStyle) {
-                button.setStyleName(style);
-            } else {
-                button.addStyleName(style);
-            }
-
-        }
-        // Set icon
-        if (null != icon) {
-            button.addStyleName(ValoTheme.BUTTON_ICON_ONLY);
-            button.setIcon(icon);
-        }
-        return button;
-    }
-
-}

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/decorators/SPUIButtonStyleSmallNoBorderUHS.java

@@ -1,43 +0,0 @@
-/**
- * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- */
-package org.eclipse.hawkbit.ui.decorators;
-
-import com.vaadin.server.Resource;
-import com.vaadin.ui.Button;
-import com.vaadin.ui.themes.ValoTheme;
-
-/**
- * Style for button: Small NoBorder Height and size UnDefined.
- *
- */
-public class SPUIButtonStyleSmallNoBorderUHS implements SPUIButtonDecorator {
-
-    @Override
-    public Button decorate(final Button button, final String style, final boolean setStyle, final Resource icon) {
-        button.addStyleName(ValoTheme.BUTTON_SMALL);
-        button.addStyleName(ValoTheme.BUTTON_BORDERLESS);
-        button.setHeightUndefined();
-        button.setSizeUndefined();
-        // Set Style
-        if (null != style) {
-            if (setStyle) {
-                button.setStyleName(style);
-            } else {
-                button.addStyleName(style);
-            }
-        }
-        // Set icon
-        if (null != icon) {
-            button.addStyleName(ValoTheme.BUTTON_ICON_ONLY);
-            button.setIcon(icon);
-        }
-        return button;
-    }
-
-}

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/decorators/SPUIEmbedDecorator.java

@@ -1,68 +0,0 @@
-/**
- * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- */
-package org.eclipse.hawkbit.ui.decorators;
-
-import com.vaadin.server.ThemeResource;
-import com.vaadin.ui.Embedded;
-
-/**
- * Embedded with required style.
- * 
- *
- *
- */
-public final class SPUIEmbedDecorator {
-
-    /**
-     * Private Constructor.
-     */
-    private SPUIEmbedDecorator() {
-
-    }
-
-    /**
-     * Decorate.
-     * 
-     * @param spUIEmbdValue
-     *            as DTO
-     * @return Embedded as UI
-     */
-    public static Embedded decorate(final SPUIEmbedValue spUIEmbdValue) {
-        final Embedded spUIEmbd = new Embedded();
-        spUIEmbd.setImmediate(spUIEmbdValue.isImmediate());
-        spUIEmbd.setType(spUIEmbdValue.getType());
-
-        if (null != spUIEmbdValue.getId()) {
-            spUIEmbd.setId(spUIEmbdValue.getId());
-        }
-
-        if (null != spUIEmbdValue.getData()) {
-            spUIEmbd.setData(spUIEmbdValue.getData());
-        }
-
-        if (null != spUIEmbdValue.getStyleName()) {
-            spUIEmbd.setStyleName(spUIEmbdValue.getStyleName());
-        }
-
-        if (null != spUIEmbdValue.getSource()) {
-            spUIEmbd.setSource(new ThemeResource(spUIEmbdValue.getSource()));
-        }
-
-        if (null != spUIEmbdValue.getMimeType()) {
-            spUIEmbd.setMimeType(spUIEmbdValue.getMimeType());
-        }
-
-        if (null != spUIEmbdValue.getDescription()) {
-            spUIEmbd.setDescription(spUIEmbdValue.getDescription());
-        }
-
-        return spUIEmbd;
-    }
-
-}

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/layouts/CreateUpdateTypeLayout.java

@@ -42,7 +42,7 @@ public abstract class CreateUpdateTypeLayout<E extends NamedEntity> extends Abst
 
     protected TextField typeKey;
 
-    public static final String TYPE_NAME_DYNAMIC_STYLE = "new-tag-name";
+    private static final String TYPE_NAME_DYNAMIC_STYLE = "new-tag-name";
     private static final String TYPE_DESC_DYNAMIC_STYLE = "new-tag-desc";
 
     public CreateUpdateTypeLayout(final I18N i18n, final TagManagement tagManagement, final EntityFactory entityFactory,
@@ -94,7 +94,7 @@ public abstract class CreateUpdateTypeLayout<E extends NamedEntity> extends Abst
      * @param tagDesc
      * @param taregtTagColor
      */
-    protected void createDynamicStyleForComponents(final TextField tagName, final TextField typeKey,
+    private void createDynamicStyleForComponents(final TextField tagName, final TextField typeKey,
             final TextArea typeDesc, final String typeTagColor) {
 
         tagName.removeStyleName(SPUIDefinitions.TYPE_NAME);

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/login/HawkbitLoginUI.java

@@ -9,6 +9,7 @@
 package org.eclipse.hawkbit.ui.login;
 
 import java.io.IOException;
+import java.io.InputStream;
 
 import org.eclipse.hawkbit.ui.DefaultHawkbitUI;
 import org.eclipse.hawkbit.ui.HawkbitUI;
@@ -70,12 +71,13 @@ public class HawkbitLoginUI extends DefaultHawkbitUI {
         rootLayout.setExpandRatio(content, 2.0F);
         final Resource resource = context
                 .getResource("classpath:/VAADIN/themes/" + UI.getCurrent().getTheme() + "/layouts/footer.html");
-        try {
-            final CustomLayout customLayout = new CustomLayout(resource.getInputStream());
+
+        try (InputStream resourceStream = resource.getInputStream()) {
+            final CustomLayout customLayout = new CustomLayout(resourceStream);
             customLayout.setSizeUndefined();
             rootLayout.addComponent(customLayout);
         } catch (final IOException ex) {
-            LOG.error("Footer file is missing", ex);
+            LOG.error("Footer file cannot be loaded", ex);
         }
         setContent(rootLayout);
 

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/management/footer/DeleteActionsLayoutHelper.java

@@ -24,14 +24,7 @@ public final class DeleteActionsLayoutHelper {
 
     }
 
-    /**
-     * Checks if component is a target tag.
-     *
-     * @param source
-     *            Component dropped
-     * @return true if it component is target tag
-     */
-    public static boolean isTargetTag(final Component source) {
+    static boolean isTargetTag(final Component source) {
         if (source instanceof DragAndDropWrapper) {
             final String wrapperData = ((DragAndDropWrapper) source).getData().toString();
             final String id = wrapperData.replace(SPUIDefinitions.TARGET_TAG_BUTTON, "");
@@ -42,14 +35,7 @@ public final class DeleteActionsLayoutHelper {
         return false;
     }
 
-    /**
-     * Checks if component is distribution tag.
-     *
-     * @param source
-     *            component dropped
-     * @return true if it component is distribution tag
-     */
-    public static boolean isDistributionTag(final Component source) {
+    static boolean isDistributionTag(final Component source) {
         if (source instanceof DragAndDropWrapper) {
             final String wrapperData = ((DragAndDropWrapper) source).getData().toString();
             final String id = wrapperData.replace(SPUIDefinitions.DISTRIBUTION_TAG_BUTTON, "");
@@ -58,62 +44,27 @@ public final class DeleteActionsLayoutHelper {
         return false;
     }
 
-    /**
-     * Extract the ds tag id by the drag and drop component
-     * 
-     * @param source
-     *            the source
-     * @return the ds tag id
-     */
-    public static Long getDistributionTagId(final DragAndDropWrapper source) {
+    static Long getDistributionTagId(final DragAndDropWrapper source) {
         final String wrapperData = source.getData().toString();
         final String id = wrapperData.replace(SPUIDefinitions.DISTRIBUTION_TAG_BUTTON, "");
         return Long.valueOf(id.trim());
     }
 
-    /**
-     * Extract the target tag id by the drag and drop component
-     * 
-     * @param source
-     *            the source
-     * @return the target tag id
-     */
-    public static Long getTargetTagId(final DragAndDropWrapper source) {
+    static Long getTargetTagId(final DragAndDropWrapper source) {
         final String wrapperData = source.getData().toString();
         final String id = wrapperData.replace(SPUIDefinitions.TARGET_TAG_BUTTON, "");
         return Long.valueOf(id.trim());
     }
 
-    /**
-     * Checks if component is target table.
-     *
-     * @param source
-     *            component dropped
-     * @return true if it component is target table
-     */
-    public static boolean isTargetTable(final Component source) {
+    static boolean isTargetTable(final Component source) {
         return UIComponentIdProvider.TARGET_TABLE_ID.equalsIgnoreCase(source.getId());
     }
 
-    /**
-     * Checks id component is distribution table.
-     *
-     * @param source
-     *            component dropped
-     * @return true if it component is distribution table
-     */
-    public static boolean isDistributionTable(final Component source) {
+    static boolean isDistributionTable(final Component source) {
         return UIComponentIdProvider.DIST_TABLE_ID.equalsIgnoreCase(source.getId());
     }
 
-    /**
-     * Check if dropped component can be deleted.
-     *
-     * @param source
-     *            component dropped
-     * @return true if component can be deleted
-     */
-    public static Boolean isComponentDeletable(final Component source) {
+    static Boolean isComponentDeletable(final Component source) {
         return isTargetTable(source) || isDistributionTable(source) || isTargetTag(source) || isDistributionTag(source);
     }
 

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/management/state/ManagementUIState.java

@@ -256,23 +256,6 @@ public class ManagementUIState implements ManagmentEntityState<DistributionSetId
         this.targetsCountAll.set(targetsCountAll);
     }
 
-    /**
-     * increments the targets all counter.
-     */
-    public void incrementTargetsCountAll() {
-        targetsCountAll.incrementAndGet();
-    }
-
-    /**
-     * decrement the targets all counter.
-     */
-    public void decrementTargetsCountAll() {
-        final long decrementAndGet = targetsCountAll.decrementAndGet();
-        if (decrementAndGet < 0) {
-            targetsCountAll.set(0);
-        }
-    }
-
     public boolean isDsTableMaximized() {
         return dsTableMaximized;
     }

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/management/state/TargetFilterParameters.java

@@ -1,142 +0,0 @@
-/**
- * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- */
-package org.eclipse.hawkbit.ui.management.state;
-
-import java.io.Serializable;
-import java.util.ArrayList;
-import java.util.List;
-
-import org.eclipse.hawkbit.repository.model.TargetUpdateStatus;
-
-import com.vaadin.spring.annotation.SpringComponent;
-import com.vaadin.spring.annotation.VaadinSessionScope;
-
-/**
- * Holds the filter parameters for target table.
- *
- *
- */
-
-@SpringComponent
-@VaadinSessionScope
-public class TargetFilterParameters implements Serializable {
-    private static final long serialVersionUID = 3929484222793744883L;
-
-    private String searchText;
-
-    private final List<TargetUpdateStatus> status = new ArrayList<>();
-
-    private List<String> targetTags = new ArrayList<>();
-
-    private Long distributionSetId;
-
-    private Long pinnedDistId;
-
-    /**
-     * Get search Text.
-     * 
-     * @return string as search text
-     */
-    public String getSearchText() {
-        return searchText;
-    }
-
-    /**
-     * Set Search Text.
-     * 
-     * @param searchText
-     *            as string
-     */
-    public void setSearchText(final String searchText) {
-        this.searchText = searchText;
-    }
-
-    /**
-     * Get update status.
-     * 
-     * @return TargetUpdateStatus
-     */
-    public List<TargetUpdateStatus> getStatus() {
-        return status;
-    }
-
-    /**
-     * Adds Target update status.
-     * 
-     * @param status
-     *            as Target update
-     */
-    public void addStatus(final TargetUpdateStatus status) {
-        this.status.add(status);
-    }
-
-    /**
-     * Remoces Target update status.
-     * 
-     * @param status
-     *            as Target update
-     */
-    public void removeStatus(final TargetUpdateStatus status) {
-        this.status.remove(status);
-    }
-
-    /**
-     * Get Target Tags.
-     * 
-     * @return List of Tags
-     */
-    public List<String> getTargetTags() {
-        return targetTags;
-    }
-
-    /**
-     * Set Target Tags.
-     * 
-     * @param targetTags
-     *            as tags
-     */
-    public void setTargetTags(final List<String> targetTags) {
-        this.targetTags = targetTags;
-    }
-
-    /**
-     * Get Distribution ID.
-     * 
-     * @return Dist ID
-     */
-    public Long getDistributionSetId() {
-        return distributionSetId;
-    }
-
-    /**
-     * Set distribution ID.
-     * 
-     * @param distributionSetId
-     *            as ID
-     */
-    public void setDistributionSetId(final Long distributionSetId) {
-        this.distributionSetId = distributionSetId;
-    }
-
-    /**
-     * @return Returns the pinnedDistId.
-     */
-    public Long getPinnedDistId() {
-        return pinnedDistId;
-    }
-
-    /**
-     * @param pinnedDistId
-     *            The pinned distribution set Id to set.
-     */
-    public void setPinnedDistId(final Long pinnedDistId) {
-        this.pinnedDistId = pinnedDistId;
-    }
-
-}

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/management/targettable/BulkUploadHandler.java

@@ -84,7 +84,7 @@ public class BulkUploadHandler extends CustomComponent
     private final transient DeploymentManagement deploymentManagement;
     private final transient DistributionSetManagement distributionSetManagement;
 
-    protected File tempFile;
+    private File tempFile;
     private Upload upload;
 
     private final ProgressBar progressBar;
@@ -101,7 +101,7 @@ public class BulkUploadHandler extends CustomComponent
     private transient EntityFactory entityFactory;
     private final UI uiInstance;
 
-    BulkUploadHandler(final TargetBulkUpdateWindowLayout targetBulkUpdateWindowLayout,
+    public BulkUploadHandler(final TargetBulkUpdateWindowLayout targetBulkUpdateWindowLayout,
             final TargetManagement targetManagement, final ManagementUIState managementUIState,
             final DeploymentManagement deploymentManagement, final I18N i18n, final UI uiInstance) {
         this.uiInstance = uiInstance;
@@ -121,10 +121,7 @@ public class BulkUploadHandler extends CustomComponent
         entityFactory = SpringContextHelper.getBean(EntityFactory.class);
     }
 
-    /**
-     * Intialize layout.
-     */
-    public void buildLayout() {
+    void buildLayout() {
         final HorizontalLayout horizontalLayout = new HorizontalLayout();
         upload = new Upload();
         upload.setEnabled(false);
@@ -162,21 +159,11 @@ public class BulkUploadHandler extends CustomComponent
 
     @Override
     public void uploadSucceeded(final SucceededEvent event) {
-        executor.execute(new UploadAsync(event));
+        executor.execute(new UploadAsync());
     }
 
     class UploadAsync implements Runnable {
 
-        final SucceededEvent event;
-
-        /**
-         *
-         * @param event
-         */
-        public UploadAsync(final SucceededEvent event) {
-            this.event = event;
-        }
-
         @Override
         public void run() {
             if (tempFile == null) {

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/management/targettag/FilterByStatusLayout.java

@@ -16,7 +16,7 @@ import org.eclipse.hawkbit.ui.management.event.ManagementUIEvent;
 import org.eclipse.hawkbit.ui.management.event.TargetFilterEvent;
 import org.eclipse.hawkbit.ui.management.state.ManagementUIState;
 import org.eclipse.hawkbit.ui.utils.I18N;
-import org.eclipse.hawkbit.ui.utils.SPUIButtonDefinitions;
+import org.eclipse.hawkbit.ui.utils.SPUIDefinitions;
 import org.eclipse.hawkbit.ui.utils.UIComponentIdProvider;
 import org.vaadin.spring.events.EventBus;
 import org.vaadin.spring.events.EventBus.UIEventBus;
@@ -70,13 +70,13 @@ public class FilterByStatusLayout extends VerticalLayout implements Button.Click
     /**
      * Initialize the Status Layout Component.
      */
-    public void init() {
+    void init() {
         getFilterTargetsStatusLayout();
         restorePreviousState();
         eventBus.subscribe(this);
     }
 
-    public void getFilterTargetsStatusLayout() {
+    private void getFilterTargetsStatusLayout() {
 
         getTargetFilterStatuses();
 
@@ -150,22 +150,22 @@ public class FilterByStatusLayout extends VerticalLayout implements Button.Click
     private void getTargetFilterStatuses() {
         unknown = SPUIComponentProvider.getButton(UIComponentIdProvider.UNKNOWN_STATUS_ICON,
                 TargetUpdateStatus.UNKNOWN.toString(), i18n.get("tooltip.status.unknown"),
-                SPUIButtonDefinitions.SP_BUTTON_STATUS_STYLE, false, FontAwesome.SQUARE, SPUIButtonStyleSmall.class);
+                SPUIDefinitions.SP_BUTTON_STATUS_STYLE, false, FontAwesome.SQUARE, SPUIButtonStyleSmall.class);
         inSync = SPUIComponentProvider.getButton(UIComponentIdProvider.INSYNCH_STATUS_ICON,
                 TargetUpdateStatus.IN_SYNC.toString(), i18n.get("tooltip.status.insync"),
-                SPUIButtonDefinitions.SP_BUTTON_STATUS_STYLE, false, FontAwesome.SQUARE, SPUIButtonStyleSmall.class);
+                SPUIDefinitions.SP_BUTTON_STATUS_STYLE, false, FontAwesome.SQUARE, SPUIButtonStyleSmall.class);
         pending = SPUIComponentProvider.getButton(UIComponentIdProvider.PENDING_STATUS_ICON,
                 TargetUpdateStatus.PENDING.toString(), i18n.get("tooltip.status.pending"),
-                SPUIButtonDefinitions.SP_BUTTON_STATUS_STYLE, false, FontAwesome.SQUARE, SPUIButtonStyleSmall.class);
+                SPUIDefinitions.SP_BUTTON_STATUS_STYLE, false, FontAwesome.SQUARE, SPUIButtonStyleSmall.class);
         error = SPUIComponentProvider.getButton(UIComponentIdProvider.ERROR_STATUS_ICON,
                 TargetUpdateStatus.ERROR.toString(), i18n.get("tooltip.status.error"),
-                SPUIButtonDefinitions.SP_BUTTON_STATUS_STYLE, false, FontAwesome.SQUARE, SPUIButtonStyleSmall.class);
+                SPUIDefinitions.SP_BUTTON_STATUS_STYLE, false, FontAwesome.SQUARE, SPUIButtonStyleSmall.class);
         registered = SPUIComponentProvider.getButton(UIComponentIdProvider.REGISTERED_STATUS_ICON,
                 TargetUpdateStatus.REGISTERED.toString(), i18n.get("tooltip.status.registered"),
-                SPUIButtonDefinitions.SP_BUTTON_STATUS_STYLE, false, FontAwesome.SQUARE, SPUIButtonStyleSmall.class);
+                SPUIDefinitions.SP_BUTTON_STATUS_STYLE, false, FontAwesome.SQUARE, SPUIButtonStyleSmall.class);
         overdue = SPUIComponentProvider.getButton(UIComponentIdProvider.OVERDUE_STATUS_ICON, OVERDUE_CAPTION,
-                i18n.get("tooltip.status.overdue"), SPUIButtonDefinitions.SP_BUTTON_STATUS_STYLE, false,
-                FontAwesome.SQUARE, SPUIButtonStyleSmall.class);
+                i18n.get("tooltip.status.overdue"), SPUIDefinitions.SP_BUTTON_STATUS_STYLE, false, FontAwesome.SQUARE,
+                SPUIButtonStyleSmall.class);
         applyStatusBtnStyle();
         unknown.setData("filterStatusOne");
         inSync.setData("filterStatusTwo");

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/rollout/rollout/AddUpdateRolloutWindowLayout.java

@@ -204,16 +204,7 @@ public class AddUpdateRolloutWindowLayout extends GridLayout {
         }
     }
 
-    /**
-     * Get the window.
-     *
-     * @param rolloutId
-     *            the rollout id
-     * @param copy
-     *            whether the rollout should be copied
-     * @return the window
-     */
-    public CommonDialogWindow getWindow(final Long rolloutId, final boolean copy) {
+    CommonDialogWindow getWindow(final Long rolloutId, final boolean copy) {
         resetComponents();
         window = createWindow();
         populateData(rolloutId, copy);
@@ -239,7 +230,7 @@ public class AddUpdateRolloutWindowLayout extends GridLayout {
     /**
      * Reset the field values.
      */
-    public void resetComponents() {
+    private void resetComponents() {
         defineGroupsLayout.resetComponents();
         editRolloutEnabled = false;
         rolloutName.clear();
@@ -378,7 +369,7 @@ public class AddUpdateRolloutWindowLayout extends GridLayout {
 
     }
 
-    private void displayValidationStatus(DefineGroupsLayout.ValidationStatus status) {
+    private void displayValidationStatus(final DefineGroupsLayout.ValidationStatus status) {
         if (status == DefineGroupsLayout.ValidationStatus.LOADING) {
             groupsLegendLayout.displayLoading();
         } else {
@@ -387,17 +378,17 @@ public class AddUpdateRolloutWindowLayout extends GridLayout {
     }
 
     private TabSheet createGroupDefinitionTabs() {
-        TabSheet tabSheet = new TabSheet();
+        final TabSheet tabSheet = new TabSheet();
         tabSheet.setId(UIComponentIdProvider.ROLLOUT_GROUPS);
         tabSheet.setWidth(850, Unit.PIXELS);
         tabSheet.setHeight(300, Unit.PIXELS);
         tabSheet.setStyleName(SPUIStyleDefinitions.ROLLOUT_GROUPS);
 
-        TabSheet.Tab simpleTab = tabSheet.addTab(createSimpleGroupDefinitionTab(),
+        final TabSheet.Tab simpleTab = tabSheet.addTab(createSimpleGroupDefinitionTab(),
                 i18n.get("caption.rollout.tabs.simple"));
         simpleTab.setId(UIComponentIdProvider.ROLLOUT_SIMPLE_TAB);
 
-        TabSheet.Tab advancedTab = tabSheet.addTab(defineGroupsLayout, i18n.get("caption.rollout.tabs.advanced"));
+        final TabSheet.Tab advancedTab = tabSheet.addTab(defineGroupsLayout, i18n.get("caption.rollout.tabs.advanced"));
         advancedTab.setId(UIComponentIdProvider.ROLLOUT_ADVANCED_TAB);
 
         tabSheet.addSelectedTabChangeListener(event -> validateGroups());
@@ -418,7 +409,7 @@ public class AddUpdateRolloutWindowLayout extends GridLayout {
     }
 
     private GridLayout createSimpleGroupDefinitionTab() {
-        GridLayout layout = new GridLayout();
+        final GridLayout layout = new GridLayout();
         layout.setSpacing(true);
         layout.setColumns(3);
         layout.setRows(4);
@@ -493,7 +484,7 @@ public class AddUpdateRolloutWindowLayout extends GridLayout {
             return;
         }
         if (isGroupsDefinition()) {
-            List<RolloutGroupCreate> savedRolloutGroups = defineGroupsLayout.getSavedRolloutGroups();
+            final List<RolloutGroupCreate> savedRolloutGroups = defineGroupsLayout.getSavedRolloutGroups();
             if (!defineGroupsLayout.isValid() || savedRolloutGroups == null || savedRolloutGroups.isEmpty()) {
                 noOfGroups.clear();
             } else {
@@ -516,7 +507,7 @@ public class AddUpdateRolloutWindowLayout extends GridLayout {
             groupsPieChart.setChartState(null, null);
             return;
         }
-        List<Long> targetsPerGroup = validation.getTargetsPerGroup();
+        final List<Long> targetsPerGroup = validation.getTargetsPerGroup();
         if (validation.getTotalTargets() == 0L || targetsPerGroup.isEmpty()) {
             groupsPieChart.setChartState(null, null);
         } else {
@@ -529,8 +520,8 @@ public class AddUpdateRolloutWindowLayout extends GridLayout {
 
     }
 
-    private void updateGroupsChart(final List<RolloutGroup> savedGroups, long totalTargetsCount) {
-        List<Long> targetsPerGroup = savedGroups.stream().map(group -> (long) group.getTotalTargets())
+    private void updateGroupsChart(final List<RolloutGroup> savedGroups, final long totalTargetsCount) {
+        final List<Long> targetsPerGroup = savedGroups.stream().map(group -> (long) group.getTotalTargets())
                 .collect(Collectors.toList());
 
         groupsPieChart.setChartState(targetsPerGroup, totalTargetsCount);
@@ -545,8 +536,8 @@ public class AddUpdateRolloutWindowLayout extends GridLayout {
             final List<Long> groups = new ArrayList<>(amountOfGroups);
             long leftTargets = totalTargetsCount;
             for (int i = 0; i < amountOfGroups; i++) {
-                float percentage = 1.0F / (amountOfGroups - i);
-                long targetsInGroup = Math.round(percentage * (double) leftTargets);
+                final float percentage = 1.0F / (amountOfGroups - i);
+                final long targetsInGroup = Math.round(percentage * (double) leftTargets);
                 leftTargets -= targetsInGroup;
                 groups.add(targetsInGroup);
             }
@@ -611,7 +602,7 @@ public class AddUpdateRolloutWindowLayout extends GridLayout {
 
         final DistributionSetIdName distributionSetIdName = (DistributionSetIdName) distributionSet.getValue();
 
-        RolloutUpdate rolloutUpdate = entityFactory.rollout().update(rollout.getId()).name(rolloutName.getValue())
+        final RolloutUpdate rolloutUpdate = entityFactory.rollout().update(rollout.getId()).name(rolloutName.getValue())
                 .description(description.getValue()).set(distributionSetIdName.getId()).actionType(getActionType())
                 .forcedTime(getForcedTimeStamp());
 
@@ -630,8 +621,7 @@ public class AddUpdateRolloutWindowLayout extends GridLayout {
 
     private boolean duplicateCheckForEdit() {
         final String rolloutNameVal = getRolloutName();
-        if (!rollout.getName().equals(rolloutNameVal)
-                && rolloutManagement.findRolloutByName(rolloutNameVal) != null) {
+        if (!rollout.getName().equals(rolloutNameVal) && rolloutManagement.findRolloutByName(rolloutNameVal) != null) {
             uiNotification.displayValidationError(i18n.get("message.rollout.duplicate.check", rolloutNameVal));
             return false;
         }
@@ -690,7 +680,7 @@ public class AddUpdateRolloutWindowLayout extends GridLayout {
         if (isNumberOfGroups()) {
             return rolloutManagement.createRollout(rolloutCreate, amountGroup, conditions);
         } else if (isGroupsDefinition()) {
-            List<RolloutGroupCreate> groups = defineGroupsLayout.getSavedRolloutGroups();
+            final List<RolloutGroupCreate> groups = defineGroupsLayout.getSavedRolloutGroups();
             return rolloutManagement.createRollout(rolloutCreate, groups, conditions);
         }
 
@@ -719,8 +709,7 @@ public class AddUpdateRolloutWindowLayout extends GridLayout {
 
     private boolean duplicateCheck() {
         if (rolloutManagement.findRolloutByName(getRolloutName()) != null) {
-            uiNotification.displayValidationError(
-                    i18n.get("message.rollout.duplicate.check", getRolloutName()));
+            uiNotification.displayValidationError(i18n.get("message.rollout.duplicate.check", getRolloutName()));
             return false;
         }
         return true;

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/rollout/rollout/AutoStartOptionGroupLayout.java

@@ -47,7 +47,7 @@ public class AutoStartOptionGroupLayout extends HorizontalLayout {
      * @param i18n
      *            the internationalization helper
      */
-    public AutoStartOptionGroupLayout(final I18N i18n) {
+    AutoStartOptionGroupLayout(final I18N i18n) {
         this.i18n = i18n;
 
         createOptionGroup();
@@ -138,18 +138,14 @@ public class AutoStartOptionGroupLayout extends HorizontalLayout {
         addComponent(startAtDateField);
     }
 
-    /**
-     * To Set Default option for save.
-     */
-
-    public void selectDefaultOption() {
+    void selectDefaultOption() {
         autoStartOptionGroup.select(AutoStartOption.MANUAL);
     }
 
     /**
      * Rollout start options
      */
-    public enum AutoStartOption {
+    enum AutoStartOption {
         MANUAL, AUTO_START, SCHEDULED;
 
     }

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/rollout/rolloutgrouptargets/RolloutGroupTargetsCountLabelMessage.java

@@ -36,7 +36,7 @@ public class RolloutGroupTargetsCountLabelMessage extends Label {
 
     private final I18N i18n;
 
-    public RolloutGroupTargetsCountLabelMessage(final RolloutUIState rolloutUIState,
+    RolloutGroupTargetsCountLabelMessage(final RolloutUIState rolloutUIState,
             final RolloutGroupTargetsListGrid rolloutGroupTargetsListGrid, final I18N i18n, final UIEventBus eventBus) {
         this.rolloutUIState = rolloutUIState;
         this.rolloutGroupTargetsListGrid = rolloutGroupTargetsListGrid;
@@ -53,16 +53,12 @@ public class RolloutGroupTargetsCountLabelMessage extends Label {
      * @param event
      */
     @EventBusListenerMethod(scope = EventScope.UI)
-    public void onEvent(final RolloutEvent event) {
+    void onEvent(final RolloutEvent event) {
         if (event == RolloutEvent.SHOW_ROLLOUT_GROUP_TARGETS_COUNT) {
             displayRolloutGroupTargetMessage();
-
         }
     }
 
-    /**
-     * 
-     */
     private void applyStyle() {
         /* Create label for Targets count message displaying below the table */
         addStyleName(SPUILabelDefinitions.SP_LABEL_MESSAGE_STYLE);

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/tenantconfiguration/DefaultDistributionSetTypeLayout.java

@@ -42,9 +42,9 @@ public class DefaultDistributionSetTypeLayout extends BaseConfigurationView {
 
     private TenantMetaData tenantMetaData;
 
-    final ComboBox combobox;
+    private final ComboBox combobox;
 
-    final Label changeIcon;
+    private final Label changeIcon;
 
     DefaultDistributionSetTypeLayout(final SystemManagement systemManagement,
             final DistributionSetManagement distributionSetManagement, final I18N i18n,
@@ -131,7 +131,7 @@ public class DefaultDistributionSetTypeLayout extends BaseConfigurationView {
     /**
      * Method that is called when combobox event is performed.
      */
-    public void selectDistributionSetValue() {
+    private void selectDistributionSetValue() {
         selectedDefaultDisSetType = (Long) combobox.getValue();
         if (!selectedDefaultDisSetType.equals(currentDefaultDisSetType)) {
             changeIcon.setVisible(true);

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/themes/HawkbitTheme.java

@@ -22,8 +22,6 @@ public final class HawkbitTheme {
 
     public static final String LOGIN_UI_PATH = "/login";
 
-    public static final String HAWKBIT_UI_PATH = "";
-
     /**
      * private constructor, utility class.
      */

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/utils/HawkbitCommonUtil.java

@@ -42,10 +42,7 @@ import com.vaadin.ui.Table;
  */
 public final class HawkbitCommonUtil {
     public static final String SP_STRING_PIPE = " | ";
-    /**
-     * Html span.
-     */
-    public static final String SPAN_CLOSE = "</span>";
+
     public static final String HTML_LI_CLOSE_TAG = "</li>";
     public static final String HTML_LI_OPEN_TAG = "<li>";
     public static final String HTML_UL_CLOSE_TAG = "</ul>";
@@ -217,14 +214,7 @@ public final class HawkbitCommonUtil {
         return trimAndNullIfEmpty(orgText) == null ? SPUIDefinitions.SPACE : orgText;
     }
 
-    /**
-     * Find required extra width of software module.
-     *
-     * @param newBrowserWidth
-     *            new browser width
-     * @return float width of software module table
-     */
-    public static float findRequiredSwModuleExtraWidth(final float newBrowserWidth) {
+    private static float findRequiredSwModuleExtraWidth(final float newBrowserWidth) {
         return newBrowserWidth > SPUIDefinitions.REQ_MIN_UPLOAD_BROWSER_WIDTH
                 ? (newBrowserWidth - SPUIDefinitions.REQ_MIN_UPLOAD_BROWSER_WIDTH) : 0;
     }
@@ -520,52 +510,13 @@ public final class HawkbitCommonUtil {
         }
     }
 
-    /**
-     * Set status progress bar value.
-     *
-     * @param bar
-     *            DistributionBar
-     * @param statusName
-     *            status name
-     * @param count
-     *            target counts in a status
-     * @param index
-     *            bar part index
-     */
-    public static void setBarPartSize(final DistributionBar bar, final String statusName, final int count,
+    private static void setBarPartSize(final DistributionBar bar, final String statusName, final int count,
             final int index) {
         bar.setPartSize(index, count);
         bar.setPartTooltip(index, statusName);
         bar.setPartStyleName(index, "status-bar-part-" + statusName);
     }
 
-    /**
-     * Initialize status progress bar with values and number of parts on load.
-     *
-     * @param bar
-     *            DistributionBar
-     * @param item
-     *            row of a table
-     */
-    public static void initialiseProgressBar(final DistributionBar bar, final Item item) {
-        final Long notStartedTargetsCount = getStatusCount(SPUILabelDefinitions.VAR_COUNT_TARGETS_NOT_STARTED, item);
-        final Long runningTargetsCount = getStatusCount(SPUILabelDefinitions.VAR_COUNT_TARGETS_RUNNING, item);
-        final Long scheduledTargetsCount = getStatusCount(SPUILabelDefinitions.VAR_COUNT_TARGETS_SCHEDULED, item);
-        final Long errorTargetsCount = getStatusCount(SPUILabelDefinitions.VAR_COUNT_TARGETS_ERROR, item);
-        final Long finishedTargetsCount = getStatusCount(SPUILabelDefinitions.VAR_COUNT_TARGETS_FINISHED, item);
-        final Long cancelledTargetsCount = getStatusCount(SPUILabelDefinitions.VAR_COUNT_TARGETS_CANCELLED, item);
-        if (isNoTargets(errorTargetsCount, notStartedTargetsCount, runningTargetsCount, scheduledTargetsCount,
-                finishedTargetsCount, cancelledTargetsCount)) {
-            HawkbitCommonUtil.setBarPartSize(bar, TotalTargetCountStatus.Status.SCHEDULED.toString().toLowerCase(), 0,
-                    0);
-            HawkbitCommonUtil.setBarPartSize(bar, TotalTargetCountStatus.Status.FINISHED.toString().toLowerCase(), 0,
-                    1);
-        } else {
-            bar.setNumberOfParts(6);
-            setProgressBarDetails(bar, item);
-        }
-    }
-
     /**
      * Formats the finished percentage of a rollout group into a string with one
      * digit after comma.

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/utils/NamingThreadFactory.java

@@ -1,49 +0,0 @@
-/**
- * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- */
-package org.eclipse.hawkbit.ui.utils;
-
-import java.util.concurrent.Executors;
-import java.util.concurrent.ThreadFactory;
-import java.util.concurrent.atomic.AtomicLong;
-
-/**
- * Implementation of {@link ThreadFactory} that sets thread names according to
- * given name format. All threads are created by
- * {@link Executors#defaultThreadFactory() #newThread(Runnable)}.
- * 
- *
- */
-public final class NamingThreadFactory implements ThreadFactory {
-    static final String SP_PREFIX = "SP-";
-
-    private final String nameFormat;
-    private final AtomicLong counter = new AtomicLong();
-
-    /**
-     * Creates a new {@link NamingThreadFactory}.
-     * 
-     * @param nameFormat
-     *            a {@link String#format(String, Object...)}-compatible format
-     *            String, to which a unique integer (0, 1, etc.) will be
-     *            supplied as the single parameter. This integer will be
-     *            assigned sequentially. For example, "rpc-pool-%d" will
-     *            generate thread names like "rpc-pool-0", "rpc-pool-1",
-     *            "rpc-pool-2", etc.
-     */
-    public NamingThreadFactory(final String nameFormat) {
-        this.nameFormat = SP_PREFIX + nameFormat;
-    }
-
-    @Override
-    public Thread newThread(final Runnable r) {
-        final Thread thread = Executors.defaultThreadFactory().newThread(r);
-        thread.setName(String.format(nameFormat, counter.getAndIncrement()));
-        return thread;
-    }
-}

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/utils/NotificationMessage.java

@@ -42,7 +42,7 @@ public class NotificationMessage extends Notification {
      * @param autoClose
      *            flag to indicate enable close option
      */
-    public void showNotification(final String styleName, final String caption, final String description,
+    void showNotification(final String styleName, final String caption, final String description,
             final Boolean autoClose) {
         decorate(styleName, caption, description, autoClose);
         this.show(Page.getCurrent());

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/utils/SPUIButtonDefinitions.java

@@ -1,72 +0,0 @@
-/**
- * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- */
-package org.eclipse.hawkbit.ui.utils;
-
-/**
- * RepositoryConstants required for Button.
- * 
- *
- * 
- *
- *
- */
-public final class SPUIButtonDefinitions {
-    /**
-     * BUTTON- STATUS.
-     */
-    public static final String SP_BUTTON_STATUS_STYLE = "targetStatusBtn";
-
-    /**
-     * MESSAGE - POPUP-SHOW.
-     */
-    public static final String SP_MESSAGE_HINT_POPUP_SHOW_STYLE = "message-hint-popup" + " "
-            + "message-hint-popup-show";
-    /**
-     * Button Caption length.
-     */
-    public static final int BUTTON_CAPTION_LENGTH = 12;
-
-    /**
-     * Unknown button description.
-     */
-    public static final String UNKNOWN_BUTTON = "Unknown";
-    /**
-     * Registered button description.
-     */
-    public static final String REGISTERED_BUTTON = "Registered";
-    /**
-     * Pending button description.
-     */
-    public static final String PENDING_BUTTON = "Pending";
-    /**
-     * Error button description.
-     */
-    public static final String ERROR_BUTTON = "Error";
-    /**
-     * In sync button description.
-     */
-    public static final String IN_SYNCH_BUTTON = "In-sync";
-
-    /**
-     * Get lighter shade.
-     */
-    public static final int CODE_VALUE = 50;
-
-    /**
-     * Edit Target Tag Style.
-     */
-    public static final String TARGET_TAG_EDIT_STYLE = "edit-target-tag-icon";
-
-    /**
-     * Private Constructor.
-     */
-    private SPUIButtonDefinitions() {
-
-    }
-}

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/utils/SPUIDefinitions.java

@@ -338,16 +338,12 @@ public final class SPUIDefinitions {
     /**
      * Space.
      */
-    public static final String SPACE = " ";
+    static final String SPACE = " ";
 
     /**
      * Distribution tag button id prefix.
      */
     public static final String SOFTWARE_MODULE_TAG_ID_PREFIXS = "swmodule.type.";
-    /**
-     * Distribution tag button id prefix.
-     */
-    public static final String DISTRIBUTION_TYPE_ID_PREFIXS = "dist-type-";
 
     /**
      * DistributionSet Type tag button id prefix.
@@ -387,15 +383,15 @@ public final class SPUIDefinitions {
      * automatically and also horizontal scroll bars get displayed. Used for
      * Responsive UI.
      */
-    public static final int REQ_MIN_UPLOAD_BROWSER_WIDTH = 1250;
+    static final int REQ_MIN_UPLOAD_BROWSER_WIDTH = 1250;
 
     public static final int MIN_UPLOAD_CONFIRMATION_POPUP_WIDTH = 1000;
 
     public static final int MIN_UPLOAD_CONFIRMATION_POPUP_HEIGHT = 310;
 
-    public static final int MAX_UPLOAD_CONFIRMATION_POPUP_WIDTH = 1050;
+    static final int MAX_UPLOAD_CONFIRMATION_POPUP_WIDTH = 1050;
 
-    public static final int MAX_UPLOAD_CONFIRMATION_POPUP_HEIGHT = 360;
+    static final int MAX_UPLOAD_CONFIRMATION_POPUP_HEIGHT = 360;
 
     /** Artifact upload related entries - end. **/
 
@@ -502,6 +498,11 @@ public final class SPUIDefinitions {
      */
     public static final String ROLLOUT_LIST_HEADER_CAPTION = "Rollouts";
 
+    /**
+     * BUTTON- STATUS.
+     */
+    public static final String SP_BUTTON_STATUS_STYLE = "targetStatusBtn";
+
     /**
      * /** Constructor.
      */

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/utils/SPUILabelDefinitions.java

@@ -20,10 +20,6 @@ import com.vaadin.ui.themes.ValoTheme;
  */
 public final class SPUILabelDefinitions {
 
-    /**
-     * Label - Message hint.
-     */
-    public static final String SP_LABEL_MESSAGE_HINT = "Label-message-hint";
     /**
      * Style - Message.
      */

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/utils/SPUIStyleDefinitions.java

@@ -11,16 +11,8 @@ package org.eclipse.hawkbit.ui.utils;
 /**
  * RepositoryConstants required for Style.
  *
- *
- *
- *
- *
  */
 public final class SPUIStyleDefinitions {
-    /**
-     * TABLE- HORI.
-     */
-    public static final String SP_HORIZONTAL_TABLE_STYLE = "table-horizontal-layout";
     /**
      * Tag button wrapper style.
      */
@@ -33,36 +25,11 @@ public final class SPUIStyleDefinitions {
 
     public static final String SP_TEXTFIELD_LAYOUT_ERROR_HIGHTLIGHT = "v-textfield-error";
 
-    /**
-     * STYLE to highlight wrong data combo box field.
-     */
-    public static final String SP_COMBOFIELD_ERROR = "combobox-error";
-
-    /**
-     * Style for control buttons in aciton history.
-     */
-    public static final String SP_ACTION_HIS_CTRL_BTN = "action-history-ctl-buttons";
-
     /**
      * Style for accordion tab button.
      */
     public static final String SP_ACCORDION_TAB_BTN = "accordion-tab-button-style";
 
-    /**
-     * large table style.
-     */
-    public static final String SP_LARGE_TABLE_STYLE = "sp-table-large";
-
-    /**
-     * small table style.
-     */
-    public static final String SP_SMALL_TABLE_STYLE = "sp-table-small";
-
-    /**
-     * Drag highligh layout style.
-     */
-    public static final String DRAG_HIGHLIGHT_LAYOUT = "drag-hightlight-layout";
-
     /**
      * Confirm box question label style.
      */
@@ -73,24 +40,6 @@ public final class SPUIStyleDefinitions {
      */
     public static final String CONFIRMBOX_WINDOW_SYLE = "confirmbox-window-style";
 
-    /**
-     * Distribution detail layout style.
-     */
-    public static final String DIST_DETAIL_MODULE_TABLE = "dist-details-module-table";
-    /**
-     * Artifact upload - software module table layout.
-     */
-    public static final String UPLOAD_SW_MODULE_TABLE_LAYOUT = "swModule-table-layout";
-
-    /**
-     * hide tags layout style.
-     */
-    public static final String SP_HIDE_TYPE = "hide-type";
-    /**
-     * style for show type button.
-     */
-    public static final String SP_SHOW_TYPE_ICON_STYLE = "show-type-icon";
-
     /**
      * Error label style.
      */
@@ -139,31 +88,16 @@ public final class SPUIStyleDefinitions {
      */
     public static final String DS_METADATA_ICON = "ds-metadata-icon";
 
-    /**
-     * Target table style.
-     */
-    public static final String TARGET_TABLE_STYLE = "target-table";
-
     /**
      * Details layout style.
      */
     public static final String DETAILS_LAYOUT_STYLE = "details-tab";
 
-    /**
-     * Style for table panel to set short cut keys on the table.
-     */
-    public static final String SHORT_CUT_KEY_TABLE_PANEL = "table-panel";
-
     /**
      * Confirmation popup - discard style.
      */
     public static final String REDICON = "redicon";
 
-    /**
-     * Deployment view - message label style.
-     */
-    public static final String COUNT_MSG_BOX_SHOW = "count-msg-box";
-
     /**
      * Action button style- footer buttons.
      */

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/utils/SPUITargetDefinitions.java

@@ -10,22 +10,8 @@ package org.eclipse.hawkbit.ui.utils;
 
 /**
  * RepositoryConstants required for Target.
- * 
- *
- * 
- *
- *
  */
 public final class SPUITargetDefinitions {
-    /**
-     * Target Table Style.
-     */
-    public static final String TARGET_STYLE = "target-table";
-
-    /**
-     * Assignment tab column content size.
-     */
-    public static final int ACCORDION_TAB_TARGET_NAME_LENGTH = 25;
 
     /**
      * Distribution name length .

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/utils/SpringContextHelper.java

@@ -31,10 +31,6 @@ public final class SpringContextHelper {
         SpringContextHelper.context = context;
     }
 
-    public static ApplicationContext getContext() {
-        return context;
-    }
-
     /**
      * method to return a certain bean by its name.
      * 

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/utils/UIComponentIdProvider.java

@@ -817,16 +817,6 @@ public final class UIComponentIdProvider {
      */
     public static final String ROLLOUT_ERROR_THRESOLD_OPTION_ID = "rollout.error.thresold.option.id";
 
-    /**
-     * Rollout groups options id.
-     */
-    public static final String ROLLOUT_GROUPS_OPTION_ID = "rollout.groups.option.id";
-
-    /**
-     * Rollout groups definition button
-     */
-    public static final String ROLLOUT_GROUPS_DEF_BUTTON_ID = "rollout.groups.definition.button.id";
-
     /**
      * Rollout target filter query value text area id.
      */
@@ -904,16 +894,6 @@ public final class UIComponentIdProvider {
      */
     public static final String METADATA_VALUE_ID = "metadata.value.id";
 
-    /**
-     * Metadata save id.
-     */
-    public static final String METADTA_SAVE_ICON_ID = "metadata.save.icon.id";
-
-    /**
-     * Metadata discard id.
-     */
-    public static final String METADTA_DISCARD_ICON_ID = "metadata.discard.icon.id";
-
     /**
      * Metadata add icon id.
      */

hawkbit-ui/src/test/java/org/eclipse/hawkbit/ui/utils/NamingThreadFactoryTest.java

@@ -1,73 +0,0 @@
-/**
- * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- */
-package org.eclipse.hawkbit.ui.utils;
-
-import static org.fest.assertions.Assertions.assertThat;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-
-import java.util.concurrent.ThreadFactory;
-
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.Mock;
-import org.mockito.runners.MockitoJUnitRunner;
-import org.springframework.context.annotation.Description;
-
-import ru.yandex.qatools.allure.annotations.Features;
-import ru.yandex.qatools.allure.annotations.Stories;
-
-@Features("Unit Tests - Management UI")
-@Stories("Threads with NamingThreadFactory")
-@RunWith(MockitoJUnitRunner.class)
-public class NamingThreadFactoryTest {
-    @Mock
-    private final Runnable runnableMock = mock(Runnable.class);
-
-    @Test
-    @Description("Correct name of threads when created through NamingThreadFactory.")
-    public void setsNameForThreads() {
-        final String knownName = "knownName";
-        final ThreadFactory threadFactory = new NamingThreadFactory(knownName);
-        final Thread newThread1 = threadFactory.newThread(runnableMock);
-        final Thread newThread2 = threadFactory.newThread(runnableMock);
-
-        assertThat(newThread1.getName()).as("Name of the thread").isEqualTo(NamingThreadFactory.SP_PREFIX + knownName);
-        assertThat(newThread2.getName()).as("Name of the thread").isEqualTo(NamingThreadFactory.SP_PREFIX + knownName);
-    }
-
-    @Test
-    @Description("Correct name of threads when created through NamingThreadFactory with formated name.")
-    public void setsFormatedNameForThreads() {
-        final String nameFormat = "knownName-%d";
-        final String knownName1 = "knownName-0";
-        final String knownName2 = "knownName-1";
-        final ThreadFactory threadFactory = new NamingThreadFactory(nameFormat);
-        final Thread newThread1 = threadFactory.newThread(runnableMock);
-        final Thread newThread2 = threadFactory.newThread(runnableMock);
-
-        assertThat(newThread1.getName()).as("Name of the thread").isEqualTo(NamingThreadFactory.SP_PREFIX + knownName1);
-        assertThat(newThread2.getName()).as("Name of the thread").isEqualTo(NamingThreadFactory.SP_PREFIX + knownName2);
-    }
-
-    @Test
-    @Description("Created threads run are running.")
-    public void setsRunnableForThreads() {
-        final String knownName = "knownName";
-        final ThreadFactory threadFactory = new NamingThreadFactory(knownName);
-        final Thread newThread1 = threadFactory.newThread(runnableMock);
-        final Thread newThread2 = threadFactory.newThread(runnableMock);
-
-        newThread1.run();
-        newThread2.run();
-
-        verify(runnableMock, times(2)).run();
-    }
-}

hawkbit-ui/src/test/java/org/eclipse/hawkbit/ui/utils/SPUIComponentProviderTest.java

@@ -38,10 +38,10 @@ public class SPUIComponentProviderTest {
         // Checking Dyanmic Factory
         Button placeHolderButton = null;
         placeHolderButton = SPUIComponentProvider.getButton("", "Test", "Test",
-                SPUIButtonDefinitions.SP_BUTTON_STATUS_STYLE, true, null, SPUIButtonStyleSmallNoBorderUH.class);
+                SPUIDefinitions.SP_BUTTON_STATUS_STYLE, true, null, SPUIButtonStyleSmallNoBorderUH.class);
         assertThat(placeHolderButton).isInstanceOf(SPUIButton.class);
         assertThat(placeHolderButton.getCaption()).isEqualTo("Test");
-        assertThat(placeHolderButton.getStyleName()).isEqualTo(SPUIButtonDefinitions.SP_BUTTON_STATUS_STYLE);
+        assertThat(placeHolderButton.getStyleName()).isEqualTo(SPUIDefinitions.SP_BUTTON_STATUS_STYLE);
     }
 
 }