Remove unused methods (#10020)

9 files changed, 3 insertions, 52 deletions

diff --git a/server/src/main/java/com/vaadin/data/TreeData.java b/server/src/main/java/com/vaadin/data/TreeData.java
index 60f9d6fb29..ff5bc622c2 100644
--- a/server/src/main/java/com/vaadin/data/TreeData.java
+++ b/server/src/main/java/com/vaadin/data/TreeData.java
@@ -43,24 +43,14 @@ import com.vaadin.data.provider.TreeDataProvider;
 public class TreeData<T> implements Serializable {
 
     private static class HierarchyWrapper<T> implements Serializable {
-        private T item;
         private T parent;
         private List<T> children;
 
-        public HierarchyWrapper(T item, T parent) {
-            this.item = item;
+        public HierarchyWrapper(T parent) {
             this.parent = parent;
             children = new ArrayList<>();
         }
 
-        public T getItem() {
-            return item;
-        }
-
-        public void setItem(T item) {
-            this.item = item;
-        }
-
         public T getParent() {
             return parent;
         }
@@ -73,10 +63,6 @@ public class TreeData<T> implements Serializable {
             return children;
         }
 
-        public void setChildren(List<T> children) {
-            this.children = children;
-        }
-
         public void addChild(T child) {
             children.add(child);
         }
@@ -94,7 +80,7 @@ public class TreeData<T> implements Serializable {
      */
     public TreeData() {
         itemToWrapperMap = new LinkedHashMap<>();
-        itemToWrapperMap.put(null, new HierarchyWrapper<>(null, null));
+        itemToWrapperMap.put(null, new HierarchyWrapper<>(null));
     }
 
     /**
@@ -491,7 +477,7 @@ public class TreeData<T> implements Serializable {
     }
 
     private void putItem(T item, T parent) {
-        HierarchyWrapper<T> wrappedItem = new HierarchyWrapper<>(item, parent);
+        HierarchyWrapper<T> wrappedItem = new HierarchyWrapper<>(parent);
         if (itemToWrapperMap.containsKey(parent)) {
             itemToWrapperMap.get(parent).addChild(item);
         }
diff --git a/server/src/main/java/com/vaadin/event/ConnectorActionManager.java b/server/src/main/java/com/vaadin/event/ConnectorActionManager.java
index 7363a53b87..8f121015f5 100644
--- a/server/src/main/java/com/vaadin/event/ConnectorActionManager.java
+++ b/server/src/main/java/com/vaadin/event/ConnectorActionManager.java
@@ -77,8 +77,4 @@ public class ConnectorActionManager extends ActionManager {
         super.handleAction(action, sender, target);
     }
 
-    private static final Logger getLogger() {
-        return Logger.getLogger(ConnectorActionManager.class.getName());
-    }
-
 }
diff --git a/server/src/main/java/com/vaadin/event/EventRouter.java b/server/src/main/java/com/vaadin/event/EventRouter.java
index b07efb6c53..04c05d3af8 100644
--- a/server/src/main/java/com/vaadin/event/EventRouter.java
+++ b/server/src/main/java/com/vaadin/event/EventRouter.java
@@ -254,8 +254,4 @@ public class EventRouter implements MethodEventSource {
         return listeners;
     }
 
-    private Logger getLogger() {
-        return Logger.getLogger(EventRouter.class.getName());
-    }
-
 }
diff --git a/server/src/main/java/com/vaadin/server/AbstractClientConnector.java b/server/src/main/java/com/vaadin/server/AbstractClientConnector.java
index fce41b1415..00cbb4f7b4 100644
--- a/server/src/main/java/com/vaadin/server/AbstractClientConnector.java
+++ b/server/src/main/java/com/vaadin/server/AbstractClientConnector.java
@@ -485,10 +485,6 @@ public abstract class AbstractClientConnector
         return null;
     }
 
-    private static Logger getLogger() {
-        return Logger.getLogger(AbstractClientConnector.class.getName());
-    }
-
     /**
      * @deprecated As of 7.0, use {@link #markAsDirtyRecursive()} instead
      */
diff --git a/server/src/main/java/com/vaadin/server/VaadinPortletService.java b/server/src/main/java/com/vaadin/server/VaadinPortletService.java
index 077f91afed..41183ad9dd 100644
--- a/server/src/main/java/com/vaadin/server/VaadinPortletService.java
+++ b/server/src/main/java/com/vaadin/server/VaadinPortletService.java
@@ -72,11 +72,6 @@ public class VaadinPortletService extends VaadinService {
         return portlet;
     }
 
-    private String getPortalProperty(VaadinRequest request,
-            String propertyName) {
-        return ((VaadinPortletRequest) request).getPortalProperty(propertyName);
-    }
-
     private String getParameter(VaadinRequest request, String name,
             String defaultValue) {
         VaadinPortletRequest portletRequest = (VaadinPortletRequest) request;
diff --git a/server/src/main/java/com/vaadin/ui/AbstractComponent.java b/server/src/main/java/com/vaadin/ui/AbstractComponent.java
index bea9ef9e56..92aaa0cb36 100644
--- a/server/src/main/java/com/vaadin/ui/AbstractComponent.java
+++ b/server/src/main/java/com/vaadin/ui/AbstractComponent.java
@@ -1455,7 +1455,4 @@ public abstract class AbstractComponent extends AbstractClientConnector
                         + AbstractFieldState.class.getSimpleName());
     }
 
-    private static final Logger getLogger() {
-        return Logger.getLogger(AbstractComponent.class.getName());
-    }
 }
diff --git a/server/src/main/java/com/vaadin/ui/DragAndDropWrapper.java b/server/src/main/java/com/vaadin/ui/DragAndDropWrapper.java
index 194a354ad0..7b8183d3bb 100644
--- a/server/src/main/java/com/vaadin/ui/DragAndDropWrapper.java
+++ b/server/src/main/java/com/vaadin/ui/DragAndDropWrapper.java
@@ -461,10 +461,6 @@ public class DragAndDropWrapper extends CustomComponent
                 return file.getFileSize();
             }
 
-            public StreamVariable getReceiver() {
-                return ProxyReceiver.this;
-            }
-
             @Override
             public Exception getException() {
                 if (wrappedEvent instanceof StreamingErrorEvent) {
diff --git a/server/src/main/java/com/vaadin/ui/Grid.java b/server/src/main/java/com/vaadin/ui/Grid.java
index ceeec79ac1..0105fd9b4e 100644
--- a/server/src/main/java/com/vaadin/ui/Grid.java
+++ b/server/src/main/java/com/vaadin/ui/Grid.java
@@ -3623,13 +3623,6 @@ public class Grid<T> extends AbstractListing<T> implements HasComponents,
                 .forEach(this::removeColumn);
     }
 
-    private String getIdentifier(Column<T, ?> column) {
-        return columnKeys.entrySet().stream()
-                .filter(entry -> entry.getValue().equals(column))
-                .map(entry -> entry.getKey()).findFirst()
-                .orElse(getGeneratedIdentifier());
-    }
-
     private String getGeneratedIdentifier() {
         String columnId = "" + counter;
         counter++;
diff --git a/server/src/main/java/com/vaadin/ui/dnd/FileDropTarget.java b/server/src/main/java/com/vaadin/ui/dnd/FileDropTarget.java
index bfb66c4fc4..59197cbc26 100644
--- a/server/src/main/java/com/vaadin/ui/dnd/FileDropTarget.java
+++ b/server/src/main/java/com/vaadin/ui/dnd/FileDropTarget.java
@@ -265,10 +265,6 @@ public class FileDropTarget<T extends AbstractComponent>
                 return file.getFileSize();
             }
 
-            public StreamVariable getReceiver() {
-                return FileReceiver.this;
-            }
-
             @Override
             public Exception getException() {
                 if (wrappedEvent instanceof StreamingErrorEvent) {